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105 lines
3.2 KiB
105 lines
3.2 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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"container/list"
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"fmt"
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"strings"
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"time"
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"github.com/Unknwon/com"
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)
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type PullRequestInfo struct {
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MergeBase string
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Commits *list.List
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// Diff *Diff
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NumFiles int
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}
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// GetMergeBase checks and returns merge base of two branches.
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func (repo *Repository) GetMergeBase(remoteBranch, headBranch string) (string, error) {
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// Get merge base commit.
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stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "merge-base", remoteBranch, headBranch)
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if err != nil {
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return "", fmt.Errorf("get merge base: %v", concatenateError(err, stderr))
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}
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return strings.TrimSpace(stdout), nil
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}
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// AddRemote adds a remote to repository.
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func (repo *Repository) AddRemote(name, path string) error {
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_, stderr, err := com.ExecCmdDir(repo.Path, "git", "remote", "add", "-f", name, path)
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if err != nil {
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return fmt.Errorf("add remote(%s - %s): %v", name, path, concatenateError(err, stderr))
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}
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return nil
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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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_, stderr, err := com.ExecCmdDir(repo.Path, "git", "remote", "remove", name)
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if err != nil {
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return fmt.Errorf("remove remote(%s): %v", name, concatenateError(err, stderr))
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}
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return nil
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}
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// GetPullRequestInfo generates and returns pull request information
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// between base and head branches of repositories.
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func (repo *Repository) GetPullRequestInfo(basePath, baseBranch, headBranch string) (_ *PullRequestInfo, err error) {
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// Add a temporary remote.
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tmpRemote := com.ToStr(time.Now().UnixNano())
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if err = repo.AddRemote(tmpRemote, basePath); err != nil {
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return nil, fmt.Errorf("AddRemote: %v", err)
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}
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defer func() {
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repo.RemoveRemote(tmpRemote)
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}()
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remoteBranch := "remotes/" + tmpRemote + "/" + baseBranch
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prInfo := new(PullRequestInfo)
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prInfo.MergeBase, err = repo.GetMergeBase(remoteBranch, headBranch)
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if err != nil {
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return nil, fmt.Errorf("GetMergeBase: %v", err)
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}
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stdout, stderr, err := com.ExecCmdDir(repo.Path, "git", "log", prInfo.MergeBase+"..."+headBranch, prettyLogFormat)
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if err != nil {
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return nil, fmt.Errorf("list diff logs: %v", concatenateError(err, stderr))
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}
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prInfo.Commits, err = parsePrettyFormatLog(repo, []byte(stdout))
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if err != nil {
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return nil, fmt.Errorf("parsePrettyFormatLog: %v", err)
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}
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// Count number of changed files.
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stdout, stderr, err = com.ExecCmdDir(repo.Path, "git", "diff", "--name-only", remoteBranch+"..."+headBranch)
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if err != nil {
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return nil, fmt.Errorf("list changed files: %v", concatenateError(err, stderr))
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}
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prInfo.NumFiles = len(strings.Split(stdout, "\n")) - 1
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return prInfo, nil
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}
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// GetPatch generates and returns patch data between given branches.
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func (repo *Repository) GetPatch(mergeBase, headBranch string) ([]byte, error) {
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stdout, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "diff", "-p", "--binary", mergeBase, headBranch)
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if err != nil {
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return nil, concatenateError(err, string(stderr))
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}
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return stdout, nil
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}
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// Merge merges pull request from head repository and branch.
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func (repo *Repository) Merge(headRepoPath string, baseBranch, headBranch string) error {
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return nil
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}
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