1 files changed, 78 insertions, 0 deletions
diff --git a/modules/git/commit.go b/modules/git/commit.go
new file mode 100644
index 0000000000..f61f2927b9
--- /dev/null
+++ b/modules/git/commit.go
@@ -0,0 +1,78 @@
+// Copyright 2014 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"
+	"strings"
+)
+
+// 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
+}
+
+// Return the commit message. Same as retrieving CommitMessage directly.
+func (c *Commit) Message() string {
+	return c.CommitMessage
+}
+
+func (c *Commit) Summary() string {
+	return strings.Split(c.CommitMessage, "\n")[0]
+}
+
+// Return oid of the parent number n (0-based index). Return nil if no such parent exists.
+func (c *Commit) ParentId(n int) (id sha1, err error) {
+	if n >= len(c.parents) {
+		err = IdNotExist
+		return
+	}
+	return c.parents[n], nil
+}
+
+// Return parent number n (0-based index)
+func (c *Commit) Parent(n int) (*Commit, error) {
+	id, err := c.ParentId(n)
+	if err != nil {
+		return nil, err
+	}
+	parent, err := c.repo.getCommit(id)
+	if err != nil {
+		return nil, err
+	}
+	return parent, nil
+}
+
+// Return the number of parents of the commit. 0 if this is the
+// root commit, otherwise 1,2,...
+func (c *Commit) ParentCount() int {
+	return len(c.parents)
+}
+
+func (c *Commit) CommitsBefore() (*list.List, error) {
+	return c.repo.getCommitsBefore(c.Id)
+}
+
+func (c *Commit) CommitsBeforeUntil(commitId string) (*list.List, error) {
+	ec, err := c.repo.GetCommit(commitId)
+	if err != nil {
+		return nil, err
+	}
+	return c.repo.CommitsBetween(c, ec)
+}
+
+func (c *Commit) CommitsCount() (int, error) {
+	return c.repo.commitsCount(c.Id)
+}
+
+func (c *Commit) GetCommitOfRelPath(relPath string) (*Commit, error) {
+	return c.repo.getCommitOfRelPath(c.Id, relPath)
+}