Add ability to search for commit messages in all the branches (#31)

Author: gzsombor

commit.go

@@ -198,8 +198,8 @@ func (c *Commit) CommitsBeforeUntil(commitID string) (*list.List, error) {
 }
 
 // SearchCommits returns the commits match the keyword before current revision
-func (c *Commit) SearchCommits(keyword string) (*list.List, error) {
-	return c.repo.searchCommits(c.ID, keyword)
+func (c *Commit) SearchCommits(keyword string, all bool) (*list.List, error) {
+	return c.repo.searchCommits(c.ID, keyword, all)
 }
 
 // GetFilesChangedSinceCommit get all changed file names between pastCommit to current revision

repo_commit.go

@@ -196,8 +196,12 @@ func (repo *Repository) commitsByRange(id SHA1, page int) (*list.List, error) {
 	return repo.parsePrettyFormatLogToList(stdout)
 }
 
-func (repo *Repository) searchCommits(id SHA1, keyword string) (*list.List, error) {
-	stdout, err := NewCommand("log", id.String(), "-100", "-i", "--grep="+keyword, prettyLogFormat).RunInDirBytes(repo.Path)
+func (repo *Repository) searchCommits(id SHA1, keyword string, all bool) (*list.List, error) {
+	cmd := NewCommand("log", id.String(), "-100", "-i", "--grep="+keyword, prettyLogFormat)
+	if all {
+		cmd.AddArguments("--all")
+	}
+	stdout, err := cmd.RunInDirBytes(repo.Path)
 	if err != nil {
 		return nil, err
 	}