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- // Copyright 2020 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.
-
- //go:build !gogit
- // +build !gogit
-
- package git
-
- import (
- "bufio"
- "io"
- "strings"
- )
-
- // GetRefsFiltered returns all references of the repository that matches patterm exactly or starting with.
- func (repo *Repository) GetRefsFiltered(pattern string) ([]*Reference, error) {
- stdoutReader, stdoutWriter := io.Pipe()
- defer func() {
- _ = stdoutReader.Close()
- _ = stdoutWriter.Close()
- }()
-
- go func() {
- stderrBuilder := &strings.Builder{}
- err := NewCommand("for-each-ref").RunInDirPipeline(repo.Path, stdoutWriter, stderrBuilder)
- if err != nil {
- _ = stdoutWriter.CloseWithError(ConcatenateError(err, stderrBuilder.String()))
- } else {
- _ = stdoutWriter.Close()
- }
- }()
-
- refs := make([]*Reference, 0)
- bufReader := bufio.NewReader(stdoutReader)
- for {
- // The output of for-each-ref is simply a list:
- // <sha> SP <type> TAB <ref> LF
- sha, err := bufReader.ReadString(' ')
- if err == io.EOF {
- break
- }
- if err != nil {
- return nil, err
- }
- sha = sha[:len(sha)-1]
-
- typ, err := bufReader.ReadString('\t')
- if err == io.EOF {
- // This should not happen, but we'll tolerate it
- break
- }
- if err != nil {
- return nil, err
- }
- typ = typ[:len(typ)-1]
-
- refName, err := bufReader.ReadString('\n')
- if err == io.EOF {
- // This should not happen, but we'll tolerate it
- break
- }
- if err != nil {
- return nil, err
- }
- refName = refName[:len(refName)-1]
-
- // refName cannot be HEAD but can be remotes or stash
- if strings.HasPrefix(refName, "/refs/remotes/") || refName == "/refs/stash" {
- continue
- }
-
- if pattern == "" || strings.HasPrefix(refName, pattern) {
- r := &Reference{
- Name: refName,
- Object: MustIDFromString(sha),
- Type: typ,
- repo: repo,
- }
- refs = append(refs, r)
- }
- }
-
- return refs, nil
- }
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