path: add repo_git_path and strbuf_repo_git_path

Introduce 'repo_git_path' and 'strbuf_repo_git_path' which take a
repository struct and constructs a path into the repository's git
directory.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/path.c b/path.c
index 2bdd0044f0..ffc0f10fde 100644
--- a/path.c
+++ b/path.c
@@ -416,6 +416,27 @@ static void do_git_path(const struct repository *repo,
 	strbuf_cleanup_path(buf);
 }
 
+char *repo_git_path(const struct repository *repo,
+		    const char *fmt, ...)
+{
+	struct strbuf path = STRBUF_INIT;
+	va_list args;
+	va_start(args, fmt);
+	do_git_path(repo, NULL, &path, fmt, args);
+	va_end(args);
+	return strbuf_detach(&path, NULL);
+}
+
+void strbuf_repo_git_path(struct strbuf *sb,
+			  const struct repository *repo,
+			  const char *fmt, ...)
+{
+	va_list args;
+	va_start(args, fmt);
+	do_git_path(repo, NULL, sb, fmt, args);
+	va_end(args);
+}
+
 char *git_path_buf(struct strbuf *buf, const char *fmt, ...)
 {
 	va_list args;