githaven/modules/git/git.go
Mura Li 2a9806bfc6 Pre-calculate the absolute path of git (#6575)
* Pre-caculate the absolute path of git

* Do not repeat string literals which has been defined somewhere

Also make it flexible to accept customized/user-defined value.
2019-04-17 14:11:37 +03:00

103 lines
2.3 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package git
import (
"fmt"
"os/exec"
"strings"
"time"
"github.com/mcuadros/go-version"
)
// Version return this package's current version
func Version() string {
return "0.4.2"
}
var (
// Debug enables verbose logging on everything.
// This should be false in case Gogs starts in SSH mode.
Debug = false
// Prefix the log prefix
Prefix = "[git-module] "
// GitVersionRequired is the minimum Git version required
GitVersionRequired = "1.7.2"
// GitExecutable is the command name of git
// Could be updated to an absolute path while initialization
GitExecutable = "git"
)
func log(format string, args ...interface{}) {
if !Debug {
return
}
fmt.Print(Prefix)
if len(args) == 0 {
fmt.Println(format)
} else {
fmt.Printf(format+"\n", args...)
}
}
var gitVersion string
// BinVersion returns current Git version from shell.
func BinVersion() (string, error) {
if len(gitVersion) > 0 {
return gitVersion, nil
}
stdout, err := NewCommand("version").Run()
if err != nil {
return "", err
}
fields := strings.Fields(stdout)
if len(fields) < 3 {
return "", fmt.Errorf("not enough output: %s", stdout)
}
// Handle special case on Windows.
i := strings.Index(fields[2], "windows")
if i >= 1 {
gitVersion = fields[2][:i-1]
return gitVersion, nil
}
gitVersion = fields[2]
return gitVersion, nil
}
func init() {
absPath, err := exec.LookPath(GitExecutable)
if err != nil {
panic(fmt.Sprintf("Git not found: %v", err))
}
GitExecutable = absPath
gitVersion, err := BinVersion()
if err != nil {
panic(fmt.Sprintf("Git version missing: %v", err))
}
if version.Compare(gitVersion, GitVersionRequired, "<") {
panic(fmt.Sprintf("Git version not supported. Requires version > %v", GitVersionRequired))
}
}
// Fsck verifies the connectivity and validity of the objects in the database
func Fsck(repoPath string, timeout time.Duration, args ...string) error {
// Make sure timeout makes sense.
if timeout <= 0 {
timeout = -1
}
_, err := NewCommand("fsck").AddArguments(args...).RunInDirTimeout(timeout, repoPath)
return err
}