Mercurial > repo
annotate share/lua/5.2/luarocks/fs/lua.lua @ 4467:e52ca245fdf6
<kmc> printf "Your bankers\' vain plazas never nutured no one / And your concrete expanses lay fallow in the sun / And your cities all collapsing while your corrupt mayors shrug" > wisdom/kanada
author | HackBot |
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date | Wed, 19 Feb 2014 03:39:34 +0000 |
parents | d137f631bad5 |
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rev | line source |
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1132
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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1 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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2 --- Native Lua implementation of filesystem and platform abstractions, |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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3 -- using LuaFileSystem, LZLib, MD5 and LuaCurl. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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4 module("luarocks.fs.lua", package.seeall) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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5 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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6 local fs = require("luarocks.fs") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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7 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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8 local cfg = require("luarocks.cfg") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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9 local dir = require("luarocks.dir") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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10 local util = require("luarocks.util") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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11 local path = require("luarocks.path") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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12 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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13 local socket_ok, zip_ok, unzip_ok, lfs_ok, md5_ok, posix_ok, _ |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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14 local http, ftp, lrzip, luazip, lfs, md5, posix |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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15 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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16 if cfg.fs_use_modules then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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17 socket_ok, http = pcall(require, "socket.http") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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18 _, ftp = pcall(require, "socket.ftp") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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19 zip_ok, lrzip = pcall(require, "luarocks.tools.zip") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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20 unzip_ok, luazip = pcall(require, "zip"); _G.zip = nil |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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21 lfs_ok, lfs = pcall(require, "lfs") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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22 md5_ok, md5 = pcall(require, "md5") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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23 posix_ok, posix = pcall(require, "posix") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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24 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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25 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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26 local patch = require("luarocks.tools.patch") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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27 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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28 local dir_stack = {} |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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29 |
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30 math.randomseed(os.time()) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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31 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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32 dir_separator = "/" |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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33 |
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34 --- Quote argument for shell processing. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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35 -- Adds single quotes and escapes. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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36 -- @param arg string: Unquoted argument. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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37 -- @return string: Quoted argument. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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38 function Q(arg) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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39 assert(type(arg) == "string") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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40 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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41 -- FIXME Unix-specific |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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42 return "'" .. arg:gsub("\\", "\\\\"):gsub("'", "'\\''") .. "'" |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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43 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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44 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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45 --- Test is file/dir is writable. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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46 -- Warning: testing if a file/dir is writable does not guarantee |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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47 -- that it will remain writable and therefore it is no replacement |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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48 -- for checking the result of subsequent operations. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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49 -- @param file string: filename to test |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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50 -- @return boolean: true if file exists, false otherwise. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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51 function is_writable(file) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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52 assert(file) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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53 file = dir.normalize(file) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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54 local result |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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55 if fs.is_dir(file) then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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56 local file2 = dir.path(file, '.tmpluarockstestwritable') |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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57 local fh = io.open(file2, 'wb') |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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58 result = fh ~= nil |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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59 if fh then fh:close() end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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60 os.remove(file2) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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61 else |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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62 local fh = io.open(file, 'r+b') |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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63 result = fh ~= nil |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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64 if fh then fh:close() end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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65 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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66 return result |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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67 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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68 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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69 --- Create a temporary directory. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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70 -- @param name string: name pattern to use for avoiding conflicts |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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71 -- when creating temporary directory. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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72 -- @return string or nil: name of temporary directory or nil on failure. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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73 function make_temp_dir(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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74 assert(type(name) == "string") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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75 name = dir.normalize(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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76 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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77 local temp_dir = (os.getenv("TMP") or "/tmp") .. "/luarocks_" .. name:gsub(dir.separator, "_") .. "-" .. tostring(math.floor(math.random() * 10000)) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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78 if fs.make_dir(temp_dir) then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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79 return temp_dir |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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80 else |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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81 return nil |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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82 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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83 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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84 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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85 --- Run the given command, quoting its arguments. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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86 -- The command is executed in the current directory in the dir stack. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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87 -- @param command string: The command to be executed. No quoting/escaping |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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88 -- is applied. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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89 -- @param ... Strings containing additional arguments, which are quoted. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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90 -- @return boolean: true if command succeeds (status code 0), false |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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91 -- otherwise. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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92 function execute(command, ...) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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93 assert(type(command) == "string") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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94 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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95 for _, arg in ipairs({...}) do |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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96 assert(type(arg) == "string") |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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97 command = command .. " " .. fs.Q(arg) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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98 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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99 return fs.execute_string(command) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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100 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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101 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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102 --- Check the MD5 checksum for a file. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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103 -- @param file string: The file to be checked. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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104 -- @param md5sum string: The string with the expected MD5 checksum. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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105 -- @return boolean: true if the MD5 checksum for 'file' equals 'md5sum', false if not |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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106 -- or if it could not perform the check for any reason. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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107 function check_md5(file, md5sum) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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108 file = dir.normalize(file) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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109 local computed = fs.get_md5(file) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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110 if not computed then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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111 return false |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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112 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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113 if computed:match("^"..md5sum) then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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114 return true |
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115 else |
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116 return false |
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117 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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118 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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119 |
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120 --------------------------------------------------------------------- |
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121 -- LuaFileSystem functions |
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122 --------------------------------------------------------------------- |
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123 |
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124 if lfs_ok then |
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125 |
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126 --- Run the given command. |
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127 -- The command is executed in the current directory in the dir stack. |
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128 -- @param cmd string: No quoting/escaping is applied to the command. |
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129 -- @return boolean: true if command succeeds (status code 0), false |
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130 -- otherwise. |
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131 function execute_string(cmd) |
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132 local code = os.execute(cmd) |
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133 if code == 0 or code == true then |
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134 return true |
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135 else |
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136 return false |
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137 end |
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138 end |
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139 |
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140 --- Obtain current directory. |
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141 -- Uses the module's internal dir stack. |
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142 -- @return string: the absolute pathname of the current directory. |
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143 function current_dir() |
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144 return lfs.currentdir() |
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145 end |
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146 |
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147 --- Change the current directory. |
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148 -- Uses the module's internal dir stack. This does not have exact |
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149 -- semantics of chdir, as it does not handle errors the same way, |
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150 -- but works well for our purposes for now. |
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151 -- @param d string: The directory to switch to. |
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152 function change_dir(d) |
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153 table.insert(dir_stack, lfs.currentdir()) |
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154 d = dir.normalize(d) |
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155 lfs.chdir(d) |
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156 end |
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157 |
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158 --- Change directory to root. |
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159 -- Allows leaving a directory (e.g. for deleting it) in |
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160 -- a crossplatform way. |
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161 function change_dir_to_root() |
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162 table.insert(dir_stack, lfs.currentdir()) |
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163 lfs.chdir("/") -- works on Windows too |
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164 end |
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165 |
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166 --- Change working directory to the previous in the dir stack. |
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167 -- @return true if a pop ocurred, false if the stack was empty. |
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168 function pop_dir() |
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169 local d = table.remove(dir_stack) |
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170 if d then |
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171 lfs.chdir(d) |
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172 return true |
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173 else |
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174 return false |
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175 end |
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176 end |
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177 |
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178 --- Create a directory if it does not already exist. |
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179 -- If any of the higher levels in the path name does not exist |
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180 -- too, they are created as well. |
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181 -- @param directory string: pathname of directory to create. |
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182 -- @return boolean: true on success, false on failure. |
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183 function make_dir(directory) |
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184 assert(type(directory) == "string") |
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185 directory = dir.normalize(directory) |
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186 local path = nil |
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187 if directory:sub(2, 2) == ":" then |
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188 path = directory:sub(1, 2) |
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189 directory = directory:sub(4) |
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190 else |
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191 if directory:match("^/") then |
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192 path = "" |
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193 end |
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194 end |
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195 for d in directory:gmatch("([^"..dir.separator.."]+)"..dir.separator.."*") do |
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196 path = path and path .. dir.separator .. d or d |
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197 local mode = lfs.attributes(path, "mode") |
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198 if not mode then |
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199 if not lfs.mkdir(path) then |
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200 return false |
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201 end |
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202 elseif mode ~= "directory" then |
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203 return false |
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204 end |
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205 end |
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206 return true |
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207 end |
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208 |
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209 --- Remove a directory if it is empty. |
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210 -- Does not return errors (for example, if directory is not empty or |
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211 -- if already does not exist) |
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212 -- @param d string: pathname of directory to remove. |
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213 function remove_dir_if_empty(d) |
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214 assert(d) |
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215 d = dir.normalize(d) |
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216 lfs.rmdir(d) |
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217 end |
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218 |
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219 --- Remove a directory if it is empty. |
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220 -- Does not return errors (for example, if directory is not empty or |
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221 -- if already does not exist) |
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222 -- @param d string: pathname of directory to remove. |
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223 function remove_dir_tree_if_empty(d) |
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224 assert(d) |
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225 d = dir.normalize(d) |
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226 for i=1,10 do |
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227 lfs.rmdir(d) |
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228 d = dir.dir_name(d) |
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229 end |
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230 end |
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231 |
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232 --- Copy a file. |
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233 -- @param src string: Pathname of source |
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234 -- @param dest string: Pathname of destination |
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235 -- @param perms string or nil: Permissions for destination file, |
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236 -- or nil to use the source filename permissions |
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237 -- @return boolean or (boolean, string): true on success, false on failure, |
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238 -- plus an error message. |
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239 function copy(src, dest, perms) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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240 assert(src and dest) |
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241 src = dir.normalize(src) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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242 dest = dir.normalize(dest) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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243 local destmode = lfs.attributes(dest, "mode") |
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244 if destmode == "directory" then |
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245 dest = dir.path(dest, dir.base_name(src)) |
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246 end |
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247 if not perms then perms = fs.get_permissions(src) end |
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248 local src_h, err = io.open(src, "rb") |
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249 if not src_h then return nil, err end |
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250 local dest_h, err = io.open(dest, "w+b") |
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251 if not dest_h then src_h:close() return nil, err end |
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252 while true do |
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253 local block = src_h:read(8192) |
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254 if not block then break end |
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255 dest_h:write(block) |
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256 end |
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257 src_h:close() |
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258 dest_h:close() |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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259 fs.chmod(dest, perms) |
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260 return true |
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261 end |
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262 |
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263 --- Implementation function for recursive copy of directory contents. |
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264 -- Assumes paths are normalized. |
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265 -- @param src string: Pathname of source |
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266 -- @param dest string: Pathname of destination |
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267 -- @return boolean or (boolean, string): true on success, false on failure |
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268 local function recursive_copy(src, dest) |
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269 local srcmode = lfs.attributes(src, "mode") |
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270 |
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271 if srcmode == "file" then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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272 local ok = fs.copy(src, dest) |
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273 if not ok then return false end |
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274 elseif srcmode == "directory" then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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275 local subdir = dir.path(dest, dir.base_name(src)) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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276 fs.make_dir(subdir) |
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277 for file in lfs.dir(src) do |
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278 if file ~= "." and file ~= ".." then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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279 local ok = recursive_copy(dir.path(src, file), subdir) |
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280 if not ok then return false end |
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281 end |
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282 end |
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283 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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284 return true |
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285 end |
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286 |
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287 --- Recursively copy the contents of a directory. |
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288 -- @param src string: Pathname of source |
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289 -- @param dest string: Pathname of destination |
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290 -- @return boolean or (boolean, string): true on success, false on failure, |
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291 -- plus an error message. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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292 function copy_contents(src, dest) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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293 assert(src and dest) |
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294 src = dir.normalize(src) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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295 dest = dir.normalize(dest) |
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296 assert(lfs.attributes(src, "mode") == "directory") |
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297 |
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298 for file in lfs.dir(src) do |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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299 if file ~= "." and file ~= ".." then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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300 local ok = recursive_copy(dir.path(src, file), dest) |
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301 if not ok then |
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302 return false, "Failed copying "..src.." to "..dest |
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303 end |
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304 end |
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305 end |
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306 return true |
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307 end |
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308 |
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309 --- Implementation function for recursive removal of directories. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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310 -- Assumes paths are normalized. |
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311 -- @param name string: Pathname of file |
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312 -- @return boolean or (boolean, string): true on success, |
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313 -- or nil and an error message on failure. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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314 local function recursive_delete(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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315 local mode = lfs.attributes(name, "mode") |
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316 |
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317 if mode == "file" then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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318 return os.remove(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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319 elseif mode == "directory" then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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320 for file in lfs.dir(name) do |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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321 if file ~= "." and file ~= ".." then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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322 local ok, err = recursive_delete(dir.path(name, file)) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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323 if not ok then return nil, err end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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324 end |
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325 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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326 local ok, err = lfs.rmdir(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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327 if not ok then return nil, err end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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328 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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329 return true |
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330 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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331 |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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332 --- Delete a file or a directory and all its contents. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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333 -- @param name string: Pathname of source |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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334 -- @return boolean: true on success, false on failure. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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335 function delete(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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336 name = dir.normalize(name) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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337 return recursive_delete(name) or false |
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338 end |
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339 |
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340 --- List the contents of a directory. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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341 -- @param at string or nil: directory to list (will be the current |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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342 -- directory if none is given). |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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343 -- @return table: an array of strings with the filenames representing |
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344 -- the contents of a directory. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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345 function list_dir(at) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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346 assert(type(at) == "string" or not at) |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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347 if not at then |
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348 at = fs.current_dir() |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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349 end |
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350 at = dir.normalize(at) |
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351 if not fs.is_dir(at) then |
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352 return {} |
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353 end |
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354 local result = {} |
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355 for file in lfs.dir(at) do |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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356 if file ~= "." and file ~= ".." then |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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357 table.insert(result, file) |
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358 end |
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359 end |
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360 return result |
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361 end |
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362 |
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363 --- Implementation function for recursive find. |
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364 -- Assumes paths are normalized. |
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365 -- @param cwd string: Current working directory in recursion. |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
366 -- @param prefix string: Auxiliary prefix string to form pathname. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
367 -- @param result table: Array of strings where results are collected. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
368 local function recursive_find(cwd, prefix, result) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
369 for file in lfs.dir(cwd) do |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
370 if file ~= "." and file ~= ".." then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
371 local item = prefix .. file |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
372 table.insert(result, item) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
373 local pathname = dir.path(cwd, file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
374 if lfs.attributes(pathname, "mode") == "directory" then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
375 recursive_find(pathname, item..dir_separator, result) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
376 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
377 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
378 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
379 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
380 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
381 --- Recursively scan the contents of a directory. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
382 -- @param at string or nil: directory to scan (will be the current |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
383 -- directory if none is given). |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
384 -- @return table: an array of strings with the filenames representing |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
385 -- the contents of a directory. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
386 function find(at) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
387 assert(type(at) == "string" or not at) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
388 if not at then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
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389 at = fs.current_dir() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
390 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
391 at = dir.normalize(at) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
392 if not fs.is_dir(at) then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
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changeset
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393 return {} |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
394 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
395 local result = {} |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
396 recursive_find(at, "", result) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
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changeset
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397 return result |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
398 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
399 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
400 --- Test for existance of a file. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
401 -- @param file string: filename to test |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
402 -- @return boolean: true if file exists, false otherwise. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
403 function exists(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
404 assert(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
405 file = dir.normalize(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
406 return type(lfs.attributes(file)) == "table" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
407 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
408 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
409 --- Test is pathname is a directory. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
410 -- @param file string: pathname to test |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
411 -- @return boolean: true if it is a directory, false otherwise. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
412 function is_dir(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
413 assert(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
414 file = dir.normalize(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
415 return lfs.attributes(file, "mode") == "directory" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
416 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
417 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
418 --- Test is pathname is a regular file. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
419 -- @param file string: pathname to test |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
420 -- @return boolean: true if it is a file, false otherwise. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
421 function is_file(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
422 assert(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
423 file = dir.normalize(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
424 return lfs.attributes(file, "mode") == "file" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
425 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
426 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
427 function set_time(file, time) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
428 file = dir.normalize(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
429 return lfs.touch(file, time) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
430 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
431 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
432 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
433 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
434 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
435 -- LuaZip functions |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
436 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
437 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
438 if zip_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
439 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
440 function zip(zipfile, ...) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
441 return lrzip.zip(zipfile, ...) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
442 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
443 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
444 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
445 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
446 if unzip_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
447 --- Uncompress files from a .zip archive. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
448 -- @param zipfile string: pathname of .zip archive to be extracted. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
449 -- @return boolean: true on success, false on failure. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
450 function unzip(zipfile) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
451 local zipfile, err = luazip.open(zipfile) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
452 if not zipfile then return nil, err end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
453 local files = zipfile:files() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
454 local file = files() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
455 repeat |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
456 if file.filename:sub(#file.filename) == "/" then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
457 fs.make_dir(dir.path(fs.current_dir(), file.filename)) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
458 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
459 local rf, err = zipfile:open(file.filename) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
460 if not rf then zipfile:close(); return nil, err end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
461 local contents = rf:read("*a") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
462 rf:close() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
463 local wf, err = io.open(dir.path(fs.current_dir(), file.filename), "wb") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
464 if not wf then zipfile:close(); return nil, err end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
465 wf:write(contents) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
466 wf:close() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
467 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
468 file = files() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
469 until not file |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
470 zipfile:close() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
471 return true |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
472 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
473 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
474 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
475 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
476 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
477 -- LuaSocket functions |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
478 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
479 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
480 if socket_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
481 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
482 local ltn12 = require("ltn12") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
483 local luasec_ok, https = pcall(require, "ssl.https") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
484 local redirect_protocols = { |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
485 http = http, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
486 https = luasec_ok and https, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
487 } |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
488 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
489 local function http_request(url, http, loop_control) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
490 local result = {} |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
491 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
492 local proxy = cfg.proxy |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
493 if type(proxy) ~= "string" then proxy = nil end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
494 -- LuaSocket's http.request crashes when given URLs missing the scheme part. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
495 if proxy and not proxy:find("://") then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
496 proxy = "http://" .. proxy |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
497 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
498 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
499 local res, status, headers, err = http.request { |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
500 url = url, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
501 proxy = proxy, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
502 redirect = false, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
503 sink = ltn12.sink.table(result), |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
504 headers = { |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
505 ["user-agent"] = cfg.user_agent.." via LuaSocket" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
506 }, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
507 } |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
508 if not res then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
509 return nil, status |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
510 elseif status == 301 or status == 302 then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
511 local location = headers.location |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
512 if location then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
513 local protocol, rest = dir.split_url(location) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
514 if redirect_protocols[protocol] then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
515 if not loop_control then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
516 loop_control = {} |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
517 elseif loop_control[location] then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
518 return nil, "Redirection loop -- broken URL?" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
519 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
520 loop_control[url] = true |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
521 return http_request(location, redirect_protocols[protocol], loop_control) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
522 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
523 return nil, "URL redirected to unsupported protocol - install luasec to get HTTPS support." |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
524 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
525 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
526 return nil, err |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
527 elseif status ~= 200 then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
528 return nil, err |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
529 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
530 return table.concat(result) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
531 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
532 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
533 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
534 --- Download a remote file. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
535 -- @param url string: URL to be fetched. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
536 -- @param filename string or nil: this function attempts to detect the |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
537 -- resulting local filename of the remote file as the basename of the URL; |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
538 -- if that is not correct (due to a redirection, for example), the local |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
539 -- filename can be given explicitly as this second argument. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
540 -- @return boolean: true on success, false on failure. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
541 function download(url, filename) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
542 assert(type(url) == "string") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
543 assert(type(filename) == "string" or not filename) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
544 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
545 filename = dir.path(fs.current_dir(), filename or dir.base_name(url)) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
546 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
547 local content, err |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
548 if util.starts_with(url, "http:") then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
549 content, err = http_request(url, http) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
550 elseif util.starts_with(url, "ftp:") then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
551 content, err = ftp.get(url) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
552 elseif util.starts_with(url, "https:") then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
553 if luasec_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
554 content, err = http_request(url, https) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
555 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
556 err = "Unsupported protocol - install luasec to get HTTPS support." |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
557 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
558 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
559 err = "Unsupported protocol" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
560 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
561 if not content then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
562 return false, tostring(err) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
563 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
564 local file = io.open(filename, "wb") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
565 if not file then return false end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
566 file:write(content) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
567 file:close() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
568 return true |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
569 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
570 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
571 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
572 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
573 -- MD5 functions |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
574 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
575 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
576 if md5_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
577 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
578 --- Get the MD5 checksum for a file. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
579 -- @param file string: The file to be computed. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
580 -- @return string: The MD5 checksum |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
581 function get_md5(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
582 file = fs.absolute_name(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
583 local file = io.open(file, "rb") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
584 if not file then return false end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
585 local computed = md5.sumhexa(file:read("*a")) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
586 file:close() |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
587 return computed |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
588 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
589 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
590 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
591 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
592 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
593 -- POSIX functions |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
594 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
595 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
596 if posix_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
597 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
598 local octal_to_rwx = { |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
599 ["0"] = "---", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
600 ["1"] = "--x", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
601 ["2"] = "-w-", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
602 ["3"] = "-wx", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
603 ["4"] = "r--", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
604 ["5"] = "r-x", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
605 ["6"] = "rw-", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
606 ["7"] = "rwx", |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
607 } |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
608 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
609 function chmod(file, mode) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
610 -- LuaPosix (as of 5.1.15) does not support octal notation... |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
611 if mode:sub(1,1) == "0" then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
612 local new_mode = {} |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
613 for c in mode:sub(2):gmatch(".") do |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
614 table.insert(new_mode, octal_to_rwx[c]) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
615 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
616 mode = table.concat(new_mode) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
617 end |
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<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
618 local err = posix.chmod(file, mode) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
619 return err == 0 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
620 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
621 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
622 function get_permissions(file) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
623 return posix.stat(file, "mode") |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
624 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
625 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
626 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
627 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
628 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
629 -- Other functions |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
630 --------------------------------------------------------------------- |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
631 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
632 --- Apply a patch. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
633 -- @param patchname string: The filename of the patch. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
634 -- @param patchdata string or nil: The actual patch as a string. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
635 function apply_patch(patchname, patchdata) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
636 local p, all_ok = patch.read_patch(patchname, patchdata) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
637 if not all_ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
638 return nil, "Failed reading patch "..patchname |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
639 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
640 if p then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
641 return patch.apply_patch(p, 1) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
642 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
643 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
644 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
645 --- Move a file. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
646 -- @param src string: Pathname of source |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
647 -- @param dest string: Pathname of destination |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
648 -- @return boolean or (boolean, string): true on success, false on failure, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
649 -- plus an error message. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
650 function move(src, dest) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
651 assert(src and dest) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
652 if fs.exists(dest) and not fs.is_dir(dest) then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
653 return false, "File already exists: "..dest |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
654 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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parents:
diff
changeset
|
655 local ok, err = fs.copy(src, dest) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
656 if not ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
657 return false, err |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
658 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
659 ok = fs.delete(src) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
660 if not ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
661 return false, "Failed move: could not delete "..src.." after copy." |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
662 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
663 return true |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
664 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
665 |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
666 --- Check if user has write permissions for the command. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
667 -- Assumes the configuration variables under cfg have been previously set up. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
668 -- @param flags table: the flags table passed to run() drivers. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
669 -- @return boolean or (boolean, string): true on success, false on failure, |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
670 -- plus an error message. |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
671 function check_command_permissions(flags) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
672 local root_dir = path.root_dir(cfg.rocks_dir) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
673 local ok = true |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
674 local err = "" |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
675 for _, dir in ipairs { cfg.rocks_dir, root_dir } do |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
676 if fs.exists(dir) and not fs.is_writable(dir) then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
677 ok = false |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
678 err = "Your user does not have write permissions in " .. dir |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
679 break |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
680 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
681 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
682 local root_parent = dir.dir_name(root_dir) |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
683 if ok and not fs.exists(root_dir) and not fs.is_writable(root_parent) then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
684 ok = false |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
685 err = root_dir.." does not exist and your user does not have write permissions in " .. root_parent |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
686 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
687 if ok then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
688 return true |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
689 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
690 if flags["local"] then |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
691 err = err .. " \n-- please check your permissions." |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
692 else |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
693 err = err .. " \n-- you may want to run as a privileged user or use your local tree with --local." |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
694 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
695 return nil, err |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
696 end |
d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
HackBot
parents:
diff
changeset
|
697 end |