migrate some commands

commit.go

@@ -0,0 +1,67 @@
+// 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 (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/mcuadros/go-version"
+)
+
+// Commit represents a git commit.
+type Commit struct {
+	Tree
+	ID            sha1 // The ID of this commit object
+	Author        *Signature
+	Committer     *Signature
+	CommitMessage string
+
+	parents []sha1 // SHA1 strings
+	// submodules map[string]*SubModule
+}
+
+// AddAllChanges marks local changes to be ready for commit.
+func AddChanges(repoPath string, all bool, files ...string) error {
+	cmd := NewCommand("add")
+	if all {
+		cmd.AddArguments("--all")
+	}
+	_, err := cmd.AddArguments(files...).RunInDir(repoPath)
+	return err
+}
+
+// CommitChanges commits local changes with given message and author.
+func CommitChanges(repoPath, message string, author *Signature) error {
+	cmd := NewCommand("commit", "-m", message)
+	if author != nil {
+		cmd.AddArguments(fmt.Sprintf("--author='%s <%s>'", author.Name, author.Email))
+	}
+	_, err := cmd.RunInDir(repoPath)
+
+	// No stderr but exit status 1 means nothing to commit.
+	if err != nil && err.Error() == "exit status 1" {
+		return nil
+	}
+	return err
+}
+
+// CommitsCount returns number of total commits of until given revision.
+func CommitsCount(repoPath, revision string) (int64, error) {
+	if version.Compare(gitVersion, "1.8.0", "<") {
+		stdout, err := NewCommand("log", "--pretty=format:''", revision).RunInDir(repoPath)
+		if err != nil {
+			return 0, err
+		}
+		return int64(len(strings.Split(stdout, "\n"))), nil
+	}
+
+	stdout, err := NewCommand("rev-list", "--count", revision).RunInDir(repoPath)
+	if err != nil {
+		return 0, err
+	}
+	return strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
+}