mirror of
https://github.com/go-gitea/gitea
synced 2024-08-20 01:05:14 +02:00
186 lines
4.4 KiB
Go
186 lines
4.4 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2018 The Gitea 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/go-git/go-git/v5/plumbing"
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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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if name == "" {
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return false
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}
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reference, err := repo.gogitRepo.Reference(plumbing.ReferenceName(BranchPrefix+name), true)
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if err != nil {
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return false
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}
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return reference.Type() != plumbing.InvalidReference
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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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gitRepo *Repository
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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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if repo == nil {
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return nil, fmt.Errorf("nil repo")
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}
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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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gitRepo: repo,
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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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_, 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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var branchNames []string
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branches, err := repo.gogitRepo.Branches()
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if err != nil {
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return nil, err
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}
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_ = branches.ForEach(func(branch *plumbing.Reference) error {
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branchNames = append(branchNames, strings.TrimPrefix(branch.Name().String(), BranchPrefix))
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return nil
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})
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// TODO: Sort?
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return branchNames, nil
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}
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// GetBranch returns a branch by it's name
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func (repo *Repository) GetBranch(branch string) (*Branch, error) {
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if !repo.IsBranchExist(branch) {
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return nil, ErrBranchNotExist{branch}
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}
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return &Branch{
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Path: repo.Path,
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Name: branch,
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gitRepo: repo,
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}, nil
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}
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// GetBranchesByPath returns a branch by it's path
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func GetBranchesByPath(path string) ([]*Branch, error) {
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gitRepo, err := OpenRepository(path)
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if err != nil {
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return nil, err
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}
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defer gitRepo.Close()
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brs, err := gitRepo.GetBranches()
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if err != nil {
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return nil, err
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}
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branches := make([]*Branch, len(brs))
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for i := range brs {
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branches[i] = &Branch{
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Path: path,
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Name: brs[i],
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gitRepo: gitRepo,
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}
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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")
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if opts.Force {
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cmd.AddArguments("-D")
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} else {
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cmd.AddArguments("-d")
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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, oldbranchOrCommit string) error {
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cmd := NewCommand("branch")
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cmd.AddArguments("--", branch, oldbranchOrCommit)
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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", "rm", name).RunInDir(repo.Path)
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return err
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}
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// GetCommit returns the head commit of a branch
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func (branch *Branch) GetCommit() (*Commit, error) {
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return branch.gitRepo.GetBranchCommit(branch.Name)
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}
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