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git.go
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git.go
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package git
import (
"os"
"os/exec"
"path/filepath"
"strings"
)
const (
VersionUndefined = "undefined"
)
func getRepoRoot() string {
GOPATH := os.Getenv("GOPATH")
return filepath.Join(GOPATH, "src", "v2ray.com", "core")
}
func RevParse(args ...string) (string, error) {
args = append([]string{"rev-parse"}, args...)
cmd := exec.Command("git", args...)
cmd.Dir = getRepoRoot()
output, err := cmd.Output()
if err != nil {
return "", err
}
return strings.TrimSpace(string(output)), nil
}
func NameRev(args ...string) (string, error) {
args = append([]string{"name-rev"}, args...)
cmd := exec.Command("git", args...)
cmd.Dir = getRepoRoot()
output, err := cmd.Output()
if err != nil {
return "", err
}
return strings.TrimSpace(string(output)), nil
}
func RepoVersion(rev string) (string, error) {
rev, err := RevParse(rev)
if err != nil {
return "", err
}
version, err := NameRev("name-rev", "--tags", "--name-only", rev)
if err != nil {
return "", err
}
if strings.HasSuffix(version, "^0") {
version = version[:len(version)-2]
}
return version, nil
}
func RepoVersionHead() (string, error) {
return RepoVersion("HEAD")
}