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--!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, TBOOX Open Source Group.
--
-- @author ruki
-- @file bisect.lua
--
-- imports
import("core.base.option")
import("lib.detect.find_tool")
-- the options
local options = {
{'g', "good", "kv", nil, "Set the good commit."},
{'b', "bad", "kv", nil, "Set the bad commit."},
{nil, "gitdir", "kv", nil, "Set the git root directory."},
{'c', "commands", "kv" , nil, "Run the multiple commands instead of the default build command.",
"e.g.",
" $ xmake l cli.bisect -c 'xmake -rv' -g good -b bad",
" $ xmake l cli.bisect -c 'xmake -vD; xmake run hello' -g good -b bad"},
{'s', "script" , "kv" , nil, "Run the given lua script file.",
"e.g.",
" $ xmake l cli.bisect -s /tmp/test.lua -g good -b bad"},
{'-', "arbitrary", "vs", nil, "Run an arbitrary command.",
"e.g.",
" $ xmake l cli.bisect -g 90846dd -b ddb86e4 -- xmake -rv"}
}
-- run command
function _run_command(opt)
opt = opt or {}
local ok = try
{
function ()
local commands = opt.commands
local scriptfile = opt.script
local arbitrary = opt.arbitrary
if commands then
for _, command in ipairs(commands:split(";")) do
os.exec(command:trim())
end
elseif arbitrary then
local program = arbitrary[1]
local argv = #arbitrary > 1 and table.slice(arbitrary, 2) or {}
os.execv(program, argv)
elseif scriptfile and os.isfile(scriptfile) and path.extension(scriptfile) == ".lua" then
local script = import(path.basename(scriptfile),
{rootdir = path.directory(scriptfile), anonymous = true})
script(events)
end
return true
end,
catch
{
function (errors)
cprint(tostring(errors))
end
}
}
return ok
end
-- use `git bisect` to analyze problem
function main(...)
local argv = table.pack(...)
local args = option.parse(argv, options, "Analyze problem using `git bisect`.",
"",
"Usage: xmake l cli.bisect [options]")
local git = assert(find_tool("git"), "git not found!")
local good = assert(args.good, "please set `--good commit`")
local bad = assert(args.bad, "please set `--bad commit`")
local gitdir = args.gitdir or os.curdir()
os.execv(git.program, {"bisect", "start"}, {curdir = gitdir})
os.execv(git.program, {"bisect", "good", good}, {curdir = gitdir})
os.execv(git.program, {"bisect", "bad", bad}, {curdir = gitdir})
while true do
local output
if _run_command(args) then
output = os.iorunv(git.program, {"bisect", "good"}, {curdir = gitdir})
else
output = os.iorunv(git.program, {"bisect", "bad"}, {curdir = gitdir})
end
if output then
print(output)
if output:find("is the first bad commit", 1, true) then
break
end
end
end
os.execv(git.program, {"bisect", "reset"}, {curdir = gitdir})
end
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