| 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 table = _tl_compat and _tl_compat.table or table; local _tl_table_unpack = unpack or table.unpack |
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| local cvs = {} |
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| local fs = require("luarocks.fs") |
| local dir = require("luarocks.dir") |
| local util = require("luarocks.util") |
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| function cvs.get_sources(rockspec, _extract, dest_dir) |
| local cvs_cmd = rockspec.variables.CVS |
| local ok, err_msg = fs.is_tool_available(cvs_cmd, "CVS") |
| if not ok then |
| return nil, err_msg |
| end |
|
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| local name_version = rockspec.name .. "-" .. rockspec.version |
| local module = rockspec.source.module or dir.base_name(rockspec.source.url) |
| local command = { cvs_cmd, "-d" .. rockspec.source.pathname, "export", module } |
| if rockspec.source.tag then |
| table.insert(command, 4, "-r") |
| table.insert(command, 5, rockspec.source.tag) |
| 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 okchange, err = fs.change_dir(store_dir) |
| if not okchange then return nil, err end |
| if not fs.execute(_tl_table_unpack(command)) then |
| return nil, "Failed fetching files from CVS." |
| end |
| fs.pop_dir() |
| return module, store_dir |
| end |
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| return cvs |
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|
