| local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local string = _tl_compat and _tl_compat.string or string; local table = _tl_compat and _tl_compat.table or table; local _tl_table_unpack = unpack or table.unpack |
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| local hg = {} |
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| local fs = require("luarocks.fs") |
| local dir = require("luarocks.dir") |
| local util = require("luarocks.util") |
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| function hg.get_sources(rockspec, _extract, dest_dir) |
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| local hg_cmd = rockspec.variables.HG |
| local ok_available, err_msg = fs.is_tool_available(hg_cmd, "Mercurial") |
| if not ok_available then |
| return nil, err_msg |
| end |
|
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| local name_version = rockspec.name .. "-" .. rockspec.version |
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| local url = rockspec.source.url:gsub("^hg://", "") |
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| local module = dir.base_name(url) |
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| 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", tag_or_branch, 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 |
| local ok, err = fs.change_dir(store_dir) |
| if not ok then return nil, err end |
| if not fs.execute(_tl_table_unpack(command)) then |
| return nil, "Failed cloning hg repository." |
| end |
| ok, err = fs.change_dir(module) |
| if not ok then return nil, err end |
|
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| 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 |
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| return hg |
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|
