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132 lines
3.3 KiB
132 lines
3.3 KiB
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"fmt"
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"strings"
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"github.com/mcuadros/go-version"
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)
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// BranchPrefix base dir of the branch information file store on git
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const BranchPrefix = "refs/heads/"
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// IsReferenceExist returns true if given reference exists in the repository.
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func IsReferenceExist(repoPath, name string) bool {
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_, err := NewCommand("show-ref", "--verify", name).RunInDir(repoPath)
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return err == nil
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}
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// IsBranchExist returns true if given branch exists in the repository.
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func IsBranchExist(repoPath, name string) bool {
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return IsReferenceExist(repoPath, BranchPrefix+name)
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}
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// IsBranchExist returns true if given branch exists in current repository.
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func (repo *Repository) IsBranchExist(name string) bool {
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return IsBranchExist(repo.Path, name)
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}
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// Branch represents a Git branch.
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type Branch struct {
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Name string
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Path string
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}
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// GetHEADBranch returns corresponding branch of HEAD.
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func (repo *Repository) GetHEADBranch() (*Branch, error) {
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stdout, err := NewCommand("symbolic-ref", "HEAD").RunInDir(repo.Path)
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if err != nil {
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return nil, err
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}
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stdout = strings.TrimSpace(stdout)
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if !strings.HasPrefix(stdout, BranchPrefix) {
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return nil, fmt.Errorf("invalid HEAD branch: %v", stdout)
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}
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return &Branch{
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Name: stdout[len(BranchPrefix):],
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Path: stdout,
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}, nil
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}
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// SetDefaultBranch sets default branch of repository.
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func (repo *Repository) SetDefaultBranch(name string) error {
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if version.Compare(gitVersion, "1.7.10", "<") {
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return ErrUnsupportedVersion{"1.7.10"}
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}
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_, err := NewCommand("symbolic-ref", "HEAD", BranchPrefix+name).RunInDir(repo.Path)
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return err
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}
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// GetBranches returns all branches of the repository.
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func (repo *Repository) GetBranches() ([]string, error) {
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stdout, err := NewCommand("show-ref", "--heads").RunInDir(repo.Path)
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if err != nil {
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return nil, err
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}
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infos := strings.Split(stdout, "\n")
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branches := make([]string, len(infos)-1)
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for i, info := range infos[:len(infos)-1] {
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fields := strings.Fields(info)
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if len(fields) != 2 {
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continue // NOTE: I should believe git will not give me wrong string.
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}
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branches[i] = strings.TrimPrefix(fields[1], BranchPrefix)
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}
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return branches, nil
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}
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// DeleteBranchOptions Option(s) for delete branch
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type DeleteBranchOptions struct {
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Force bool
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}
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// DeleteBranch delete a branch by name on repository.
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func (repo *Repository) DeleteBranch(name string, opts DeleteBranchOptions) error {
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cmd := NewCommand("branch", "-d")
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if opts.Force {
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cmd.AddArguments("-f")
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}
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cmd.AddArguments(name)
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_, err := cmd.RunInDir(repo.Path)
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return err
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}
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// CreateBranch create a new branch
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func (repo *Repository) CreateBranch(branch, newBranch string) error {
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cmd := NewCommand("branch")
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cmd.AddArguments(branch, newBranch)
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_, err := cmd.RunInDir(repo.Path)
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return err
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}
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// AddRemote adds a new remote to repository.
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func (repo *Repository) AddRemote(name, url string, fetch bool) error {
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cmd := NewCommand("remote", "add")
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if fetch {
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cmd.AddArguments("-f")
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}
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cmd.AddArguments(name, url)
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_, err := cmd.RunInDir(repo.Path)
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return err
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}
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// RemoveRemote removes a remote from repository.
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func (repo *Repository) RemoveRemote(name string) error {
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_, err := NewCommand("remote", "remove", name).RunInDir(repo.Path)
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return err
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}
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