119 lines
3.4 KiB
Go
119 lines
3.4 KiB
Go
// Copyright 2021 PingCAP, Inc.
|
|
//
|
|
// 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.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
func main() {
|
|
// See https://github.com/golang/go/issues/15513#issuecomment-773994959
|
|
// go test --exec=xprog ./...
|
|
// Command line args looks like:
|
|
// '$CWD/xprog /tmp/go-build2662369829/b1382/aggfuncs.test -test.paniconexit0 -test.timeout=10m0s'
|
|
// This program moves the test binary /tmp/go-build2662369829/b1382/aggfuncs.test to someplace else for later use.
|
|
|
|
// Extract the current work directory
|
|
cwd := os.Args[0]
|
|
cwd = cwd[:len(cwd)-len("tools/bin/xprog")]
|
|
|
|
testBinaryPath := os.Args[1]
|
|
dir, _ := filepath.Split(testBinaryPath)
|
|
|
|
// Extract the package info from /tmp/go-build2662369829/b1382/importcfg.link
|
|
pkg := getPackageInfo(dir)
|
|
|
|
const prefix = "github.com/pingcap/tidb/"
|
|
if !strings.HasPrefix(pkg, prefix) {
|
|
os.Exit(-3)
|
|
}
|
|
|
|
// github.com/pingcap/tidb/util/topsql.test => util/topsql
|
|
pkg = pkg[len(prefix) : len(pkg)-len(".test")]
|
|
|
|
_, file := filepath.Split(pkg)
|
|
|
|
// The path of the destination file looks like $CWD/util/topsql/topsql.test.bin
|
|
newName := filepath.Join(cwd, pkg, file+".test.bin")
|
|
|
|
if err1 := os.Rename(testBinaryPath, newName); err1 != nil {
|
|
// Rename fail, handle error like "invalid cross-device linkcd tools/check"
|
|
err1 = MoveFile(testBinaryPath, newName)
|
|
if err1 != nil {
|
|
os.Exit(-4)
|
|
}
|
|
}
|
|
}
|
|
|
|
func getPackageInfo(dir string) string {
|
|
// Read the /tmp/go-build2662369829/b1382/importcfg.link file to get the package information
|
|
f, err := os.Open(filepath.Join(dir, "importcfg.link"))
|
|
if err != nil {
|
|
os.Exit(-1)
|
|
}
|
|
defer f.Close()
|
|
|
|
r := bufio.NewReader(f)
|
|
// packagefile github.com/pingcap/tidb/session.test=/home/genius/.cache/go-build/fb/fb1587cce5727fa9461131eab8260a52878da04f5c8da49dd3c7b2d941430c63-d
|
|
line, _, err := r.ReadLine()
|
|
if err != nil {
|
|
os.Exit(-2)
|
|
}
|
|
start := strings.IndexByte(string(line), ' ')
|
|
end := strings.IndexByte(string(line), '=')
|
|
pkg := string(line[start+1 : end])
|
|
return pkg
|
|
}
|
|
|
|
func MoveFile(sourcePath, destPath string) error {
|
|
inputFile, err := os.Open(sourcePath)
|
|
if err != nil {
|
|
return fmt.Errorf("Couldn't open source file: %s", err)
|
|
}
|
|
outputFile, err := os.Create(destPath)
|
|
if err != nil {
|
|
inputFile.Close()
|
|
return fmt.Errorf("Couldn't open dest file: %s", err)
|
|
}
|
|
defer outputFile.Close()
|
|
_, err = io.Copy(outputFile, inputFile)
|
|
inputFile.Close()
|
|
if err != nil {
|
|
return fmt.Errorf("Writing to output file failed: %s", err)
|
|
}
|
|
|
|
// Handle the permissions
|
|
si, err := os.Stat(sourcePath)
|
|
if err != nil {
|
|
return fmt.Errorf("Stat error: %s", err)
|
|
}
|
|
err = os.Chmod(destPath, si.Mode())
|
|
if err != nil {
|
|
return fmt.Errorf("Chmod error: %s", err)
|
|
}
|
|
|
|
// The copy was successful, so now delete the original file
|
|
err = os.Remove(sourcePath)
|
|
if err != nil {
|
|
return fmt.Errorf("Failed removing original file: %s", err)
|
|
}
|
|
return nil
|
|
}
|