mirror of
https://github.com/go-gitea/gitea
synced 2024-08-21 14:52:17 +02:00
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
|
// Copyright 2015 The Gogs Authors. All rights reserved.
|
||
|
// Copyright 2018 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.
|
||
|
|
||
|
// +build !gogit
|
||
|
|
||
|
package git
|
||
|
|
||
|
import (
|
||
|
"bufio"
|
||
|
"io"
|
||
|
"strings"
|
||
|
)
|
||
|
|
||
|
// IsBranchExist returns true if given branch exists in current repository.
|
||
|
func (repo *Repository) IsBranchExist(name string) bool {
|
||
|
if name == "" {
|
||
|
return false
|
||
|
}
|
||
|
return IsReferenceExist(repo.Path, BranchPrefix+name)
|
||
|
}
|
||
|
|
||
|
// GetBranches returns all branches of the repository.
|
||
|
func (repo *Repository) GetBranches() ([]string, error) {
|
||
|
return callShowRef(repo.Path, BranchPrefix, "--heads")
|
||
|
}
|
||
|
|
||
|
func callShowRef(repoPath, prefix, arg string) ([]string, error) {
|
||
|
var branchNames []string
|
||
|
|
||
|
stdoutReader, stdoutWriter := io.Pipe()
|
||
|
defer func() {
|
||
|
_ = stdoutReader.Close()
|
||
|
_ = stdoutWriter.Close()
|
||
|
}()
|
||
|
|
||
|
go func() {
|
||
|
stderrBuilder := &strings.Builder{}
|
||
|
err := NewCommand("show-ref", arg).RunInDirPipeline(repoPath, stdoutWriter, stderrBuilder)
|
||
|
if err != nil {
|
||
|
if stderrBuilder.Len() == 0 {
|
||
|
_ = stdoutWriter.Close()
|
||
|
return
|
||
|
}
|
||
|
_ = stdoutWriter.CloseWithError(ConcatenateError(err, stderrBuilder.String()))
|
||
|
} else {
|
||
|
_ = stdoutWriter.Close()
|
||
|
}
|
||
|
}()
|
||
|
|
||
|
bufReader := bufio.NewReader(stdoutReader)
|
||
|
for {
|
||
|
// The output of show-ref is simply a list:
|
||
|
// <sha> SP <ref> LF
|
||
|
_, err := bufReader.ReadSlice(' ')
|
||
|
for err == bufio.ErrBufferFull {
|
||
|
// This shouldn't happen but we'll tolerate it for the sake of peace
|
||
|
_, err = bufReader.ReadSlice(' ')
|
||
|
}
|
||
|
if err == io.EOF {
|
||
|
return branchNames, nil
|
||
|
}
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
branchName, err := bufReader.ReadString('\n')
|
||
|
if err == io.EOF {
|
||
|
// This shouldn't happen... but we'll tolerate it for the sake of peace
|
||
|
return branchNames, nil
|
||
|
}
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
branchName = strings.TrimPrefix(branchName, prefix)
|
||
|
if len(branchName) > 0 {
|
||
|
branchName = branchName[:len(branchName)-1]
|
||
|
}
|
||
|
branchNames = append(branchNames, branchName)
|
||
|
}
|
||
|
}
|