1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki
-- @file find_tar.lua
--
-- imports
import("lib.detect.find_program")
import("lib.detect.find_programver")
-- find tar
--
-- @param opt the argument options, e.g. {version = true}
--
-- @return program, version
--
-- @code
--
-- local tar = find_tar()
-- local tar, version = find_tar({version = true})
--
-- @endcode
--
function main(opt)
-- init options
opt = opt or {}
opt.check = opt.check or function (program)
local ok = try { function () os.runv(program, {"--version"}, {envs = opt.envs, shell = opt.shell}) end }
if not ok then
-- some tar do not support `--version`, so we fall back to creating a temporary archive to check it
local tmpdir = os.tmpfile() .. ".dir"
os.mkdir(tmpdir)
io.writefile(path.join(tmpdir, "test.txt"), "")
os.runv(program, {"-cf", "test.tar", "test.txt"}, {curdir = tmpdir, envs = opt.envs, shell = opt.shell})
os.rm(tmpdir)
end
end
-- find program
local program = find_program(opt.program or "tar", opt)
-- find program version
local version = nil
if program and opt and opt.version then
version = find_programver(program, opt)
end
-- ok?
return program, version
end
|
