// 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 branches from the repository, skipping skip initial branches and // returning at most limit branches, or all branches if limit is 0. func (repo *Repository) GetBranches(skip, limit int) ([]string, int, error) { return callShowRef(repo.Path, BranchPrefix, "--heads", skip, limit) } // callShowRef return refs, if limit = 0 it will not limit func callShowRef(repoPath, prefix, arg string, skip, limit int) (branchNames []string, countAll int, err error) { 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() } }() i := 0 bufReader := bufio.NewReader(stdoutReader) for i < skip { _, isPrefix, err := bufReader.ReadLine() if err == io.EOF { return branchNames, i, nil } if err != nil { return nil, 0, err } if !isPrefix { i++ } } for limit == 0 || i < skip+limit { // The output of show-ref is simply a list: // SP 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, i, nil } if err != nil { return nil, 0, 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, i, nil } if err != nil { return nil, i, err } branchName = strings.TrimPrefix(branchName, prefix) if len(branchName) > 0 { branchName = branchName[:len(branchName)-1] } branchNames = append(branchNames, branchName) i++ } // count all refs for limit != 0 { _, isPrefix, err := bufReader.ReadLine() if err == io.EOF { return branchNames, i, nil } if err != nil { return nil, 0, err } if !isPrefix { i++ } } return branchNames, i, nil } n> JGit, the Java implementation of git: https://github.com/eclipse-jgit/jgitwww-data
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<?xml version="1.0" encoding="UTF-8"?>
<!--
  Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch> and others

  This program and the accompanying materials are made available under the
  terms of the Eclipse Distribution License v. 1.0 which is available at
  http://www.eclipse.org/org/documents/edl-v10.php.

  SPDX-License-Identifier: BSD-3-Clause
-->

<project xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.eclipse.jgit</groupId>
    <artifactId>jgit.tycho.parent</artifactId>
    <version>5.9.0.202008260805-m3</version>
  </parent>

  <groupId>org.eclipse.jgit.feature</groupId>
  <artifactId>org.eclipse.jgit.ssh.apache</artifactId>
  <packaging>eclipse-feature</packaging>

  <name>JGit - Ssh support using Apache MINA sshd</name>
  <dependencies>

    <dependency>
      <groupId>org.eclipse.jgit</groupId>
      <artifactId>org.eclipse.jgit</artifactId>
      <version>${project.version}</version>
    </dependency>

    <dependency>
      <groupId>org.eclipse.jgit</groupId>
      <artifactId>org.eclipse.jgit.ssh.apache</artifactId>
      <version>${project.version}</version>
    </dependency>

  </dependencies>

</project>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 16:21:34 +0000