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annotate share/lua/5.2/luarocks/show.lua @ 8065:591b1467ccdf

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<int-e> le/rn paste/"Paste" is a short story by Henry James. Its contents has been cut into pieces and distributed over numerous tin boxes on the World Wide Web, little pearls of wisdom buried among ordinary pastes.
author HackBot
date Sun, 15 May 2016 13:14:57 +0000
parents d137f631bad5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1132
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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1
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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2 --- Module implementing the LuaRocks "show" command.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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3 -- Shows information about an installed rock.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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4 module("luarocks.show", package.seeall)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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5
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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6 local search = require("luarocks.search")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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7 local cfg = require("luarocks.cfg")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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8 local util = require("luarocks.util")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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9 local path = require("luarocks.path")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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10 local dir = require("luarocks.dir")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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11 local deps = require("luarocks.deps")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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12 local fetch = require("luarocks.fetch")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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13 local manif = require("luarocks.manif")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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14 help_summary = "Shows information about an installed rock."
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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15
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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16 help = [[
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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17 <argument> is an existing package name.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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18 Without any flags, show all module information.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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19 With these flags, return only the desired information:
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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20
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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21 --home home page of project
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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22 --modules all modules provided by this package as used by require()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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23 --deps packages this package depends on
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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24 --rockspec the full path of the rockspec file
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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25 --mversion the package version
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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26 --rock-tree local tree where rock is installed
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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27 --rock-dir data directory of the installed rock
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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28 ]]
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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29
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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30 local function keys_as_string(t, sep)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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31 return table.concat(util.keys(t), sep or " ")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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32 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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33
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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34 local function word_wrap(line)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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35 local width = tonumber(os.getenv("COLUMNS")) or 80
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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36 if width > 80 then width = 80 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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37 if #line > width then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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38 local brk = width
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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39 while brk > 0 and line:sub(brk, brk) ~= " " do
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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40 brk = brk - 1
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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41 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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42 if brk > 0 then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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43 return line:sub(1, brk-1) .. "\n" .. word_wrap(line:sub(brk+1))
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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44 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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45 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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46 return line
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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47 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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48
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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49 local function format_text(text)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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50 text = text:gsub("^%s*",""):gsub("%s$", ""):gsub("\n[ \t]+","\n"):gsub("([^\n])\n([^\n])","%1 %2")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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51 local paragraphs = util.split_string(text, "\n\n")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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52 for n, line in ipairs(paragraphs) do
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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53 paragraphs[n] = word_wrap(line)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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54 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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55 return (table.concat(paragraphs, "\n\n"):gsub("%s$", ""))
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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56 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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57
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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58 local function module_name(mod, filename, name, version, repo, manifest)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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59 local base_dir
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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60 if filename:match("%.lua$") then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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61 base_dir = path.deploy_lua_dir(repo)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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62 else
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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63 base_dir = path.deploy_lib_dir(repo)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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64 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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65
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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66 return dir.path(base_dir, filename)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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67 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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68
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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69 --- Driver function for "show" command.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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70 -- @param name or nil: an existing package name.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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71 -- @param version string or nil: a version may also be passed.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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72 -- @return boolean: True if succeeded, nil on errors.
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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73 function run(...)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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74 local flags, name, version = util.parse_flags(...)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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75 if not name then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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76 return nil, "Argument missing, see help."
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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77 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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78 local results = {}
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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79 local query = search.make_query(name, version)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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80 query.exact_name = true
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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81 local tree_map = {}
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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82 local trees = cfg.rocks_trees
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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83 if flags["tree"] then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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84 trees = { flags["tree"] }
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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85 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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86 for _, tree in ipairs(trees) do
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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87 local rocks_dir = path.rocks_dir(tree)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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88 tree_map[rocks_dir] = tree
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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89 search.manifest_search(results, rocks_dir, query)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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90 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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91
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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92 if not next(results) then --
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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93 return nil,"cannot find package "..name.." "..(version or "").."\nUse 'list' to find installed rocks."
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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94 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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95
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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96 version = nil
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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97 local repo_url
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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98 local package, versions = util.sortedpairs(results)()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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99 --question: what do we do about multiple versions? This should
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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100 --give us the latest version on the last repo (which is usually the global one)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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101 for vs, repositories in util.sortedpairs(versions, deps.compare_versions) do
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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102 if not version then version = vs end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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103 for _, rp in ipairs(repositories) do repo_url = rp.repo end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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104 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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105
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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106
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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107 local repo = tree_map[repo_url]
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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108 local directory = path.install_dir(name,version,repo)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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109 local rockspec_file = path.rockspec_file(name, version, repo)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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110 local rockspec, err = fetch.load_local_rockspec(rockspec_file)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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111 if not rockspec then return nil,err end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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112
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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113 local descript = rockspec.description or {}
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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114 local manifest, err = manif.load_manifest(repo_url)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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115 if not manifest then return nil,err end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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116 local minfo = manifest.repository[name][version][1]
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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117
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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118 if flags["rock-tree"] then util.printout(repo)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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119 elseif flags["rock-dir"] then util.printout(directory)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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120 elseif flags["home"] then util.printout(descript.homepage)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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121 elseif flags["modules"] then util.printout(keys_as_string(minfo.modules))
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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122 elseif flags["deps"] then util.printout(keys_as_string(minfo.dependencies))
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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123 elseif flags["rockspec"] then util.printout(rockspec_file)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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124 elseif flags["mversion"] then util.printout(version)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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125 else
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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126 util.printout()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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127 util.printout(rockspec.package.." "..rockspec.version.." - "..(descript.summary or ""))
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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128 util.printout()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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129 if descript.detailed then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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130 util.printout(format_text(descript.detailed))
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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131 util.printout()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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132 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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133 if descript.license then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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134 util.printout("License: ", descript.license)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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135 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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136 if descript.homepage then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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137 util.printout("Homepage: ", descript.homepage)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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138 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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139 util.printout("Installed in: ", repo)
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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140 if next(minfo.modules) then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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141 util.printout()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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142 util.printout("Modules:")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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143 for mod, filename in util.sortedpairs(minfo.modules) do
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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144 util.printout("\t"..mod.." ("..path.which(mod, filename, name, version, repo, manifest)..")")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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145 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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146 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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147 if next(minfo.dependencies) then
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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148 util.printout()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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149 util.printout("Depends on:")
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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150 util.printout("\t"..keys_as_string(minfo.dependencies, "\n\t"))
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151 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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152 util.printout()
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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153 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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154 return true
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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155 end
d137f631bad5 <GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
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156