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forgejo/modules/git/repo_pull.go
2015-09-02 09:26:56 -04:00

92 lines
2.9 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package git
import (
"container/list"
"fmt"
"strings"
"time"
"github.com/Unknwon/com"
)
type PullRequestInfo struct {
MergeBase string
Commits *list.List
// Diff *Diff
NumFiles int
}
// GetPullRequestInfo generates and returns pull request information
// between base and head branches of repositories.
func (repo *Repository) GetPullRequestInfo(basePath, baseBranch, headBranch string) (*PullRequestInfo, error) {
// Add a temporary remote.
tmpRemote := com.ToStr(time.Now().UnixNano())
_, stderr, err := com.ExecCmdDir(repo.Path, "git", "remote", "add", "-f", tmpRemote, basePath)
if err != nil {
return nil, fmt.Errorf("add base as remote: %v", concatenateError(err, stderr))
}
defer func() {
com.ExecCmdDir(repo.Path, "git", "remote", "remove", tmpRemote)
}()
prInfo := new(PullRequestInfo)
var stdout string
remoteBranch := "remotes/" + tmpRemote + "/" + baseBranch
// Get merge base commit.
stdout, stderr, err = com.ExecCmdDir(repo.Path, "git", "merge-base", remoteBranch, headBranch)
if err != nil {
return nil, fmt.Errorf("get merge base: %v", concatenateError(err, stderr))
}
prInfo.MergeBase = strings.TrimSpace(stdout)
stdout, stderr, err = com.ExecCmdDir(repo.Path, "git", "log", remoteBranch+"..."+headBranch, prettyLogFormat)
if err != nil {
return nil, fmt.Errorf("list diff logs: %v", concatenateError(err, stderr))
}
prInfo.Commits, err = parsePrettyFormatLog(repo, []byte(stdout))
if err != nil {
return nil, fmt.Errorf("parsePrettyFormatLog: %v", err)
}
// Count number of changed files.
stdout, stderr, err = com.ExecCmdDir(repo.Path, "git", "diff", "--name-only", remoteBranch+"..."+headBranch)
if err != nil {
return nil, fmt.Errorf("list changed files: %v", concatenateError(err, stderr))
}
prInfo.NumFiles = len(strings.Split(stdout, "\n")) - 1
return prInfo, nil
}
// GetPatch generates and returns patch data between given branches.
func (repo *Repository) GetPatch(basePath, baseBranch, headBranch string) ([]byte, error) {
// Add a temporary remote.
tmpRemote := com.ToStr(time.Now().UnixNano())
_, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "remote", "add", "-f", tmpRemote, basePath)
if err != nil {
return nil, fmt.Errorf("add base as remote: %v", concatenateError(err, string(stderr)))
}
defer func() {
com.ExecCmdDir(repo.Path, "git", "remote", "remove", tmpRemote)
}()
var stdout []byte
remoteBranch := "remotes/" + tmpRemote + "/" + baseBranch
stdout, stderr, err = com.ExecCmdDirBytes(repo.Path, "git", "diff", "-p", remoteBranch, headBranch)
if err != nil {
return nil, concatenateError(err, string(stderr))
}
return stdout, nil
}
// Merge merges pull request from head repository and branch.
func (repo *Repository) Merge(headRepoPath string, baseBranch, headBranch string) error {
return nil
}