githaven-fork/modules/git/version.go
2014-07-26 00:24:27 -04:00

44 lines
898 B
Go

// Copyright 2014 The Gogs 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 (
"errors"
"strings"
"github.com/Unknwon/com"
)
// Version represents version of Git.
type Version struct {
Major, Minor, Patch int
}
// GetVersion returns current Git version installed.
func GetVersion() (Version, error) {
stdout, stderr, err := com.ExecCmd("git", "version")
if err != nil {
return Version{}, errors.New(stderr)
}
infos := strings.Split(stdout, " ")
if len(infos) < 3 {
return Version{}, errors.New("not enough output")
}
v := Version{}
for i, s := range strings.Split(strings.TrimSpace(infos[2]), ".") {
switch i {
case 0:
v.Major, _ = com.StrTo(s).Int()
case 1:
v.Minor, _ = com.StrTo(s).Int()
case 2:
v.Patch, _ = com.StrTo(s).Int()
}
}
return v, nil
}