Mercurial > repo
diff share/lua/5.2/luarocks/fetch/hg.lua @ 1132:d137f631bad5
<GreyKnight> (cd luabuild/luarocks-2.0.12; make install)
author | HackBot |
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date | Fri, 14 Dec 2012 22:24:27 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/share/lua/5.2/luarocks/fetch/hg.lua Fri Dec 14 22:24:27 2012 +0000 @@ -0,0 +1,54 @@ + +--- Fetch back-end for retrieving sources from HG. +module("luarocks.fetch.hg", package.seeall) + +local fs = require("luarocks.fs") +local dir = require("luarocks.dir") +local util = require("luarocks.util") + +--- Download sources for building a rock, using hg. +-- @param rockspec table: The rockspec table +-- @param extract boolean: Unused in this module (required for API purposes.) +-- @param dest_dir string or nil: If set, will extract to the given directory. +-- @return (string, string) or (nil, string): The absolute pathname of +-- the fetched source tarball and the temporary directory created to +-- store it; or nil and an error message. +function get_sources(rockspec, extract, dest_dir) + assert(type(rockspec) == "table") + assert(type(dest_dir) == "string" or not dest_dir) + + local hg_cmd = rockspec.variables.HG + local name_version = rockspec.name .. "-" .. rockspec.version + -- Strip off special hg:// protocol type + local url = rockspec.source.url:gsub("^hg://", "") + + local module = dir.base_name(url) + + local command = {hg_cmd, "clone", url, module} + local tag_or_branch = rockspec.source.tag or rockspec.source.branch + if tag_or_branch then + command = {hg_cmd, "clone", "--rev", url, module} + end + local store_dir + if not dest_dir then + store_dir = fs.make_temp_dir(name_version) + if not store_dir then + return nil, "Failed creating temporary directory." + end + util.schedule_function(fs.delete, store_dir) + else + store_dir = dest_dir + end + fs.change_dir(store_dir) + if not fs.execute(unpack(command)) then + return nil, "Failed cloning hg repository." + end + fs.change_dir(module) + + fs.delete(dir.path(store_dir, module, ".hg")) + fs.delete(dir.path(store_dir, module, ".hgignore")) + fs.pop_dir() + fs.pop_dir() + return module, store_dir +end +