Merge branch 'nd/maint-clone-gitdir'

* nd/maint-clone-gitdir:
  clone: allow to clone from .git file
  read_gitfile_gently(): rename misnamed function to read_gitfile()

2 files changed, 19 insertions, 2 deletions

diff --git a/builtin/clone.c b/builtin/clone.c
index 4d66a7f4e8..488f48e9a5 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -113,9 +113,26 @@ static char *get_repo_path(const char *repo, int *is_bundle)
 	for (i = 0; i < ARRAY_SIZE(suffix); i++) {
 		const char *path;
 		path = mkpath("%s%s", repo, suffix[i]);
-		if (is_directory(path)) {
+		if (stat(path, &st))
+			continue;
+		if (S_ISDIR(st.st_mode)) {
 			*is_bundle = 0;
 			return xstrdup(absolute_path(path));
+		} else if (S_ISREG(st.st_mode) && st.st_size > 8) {
+			/* Is it a "gitfile"? */
+			char signature[8];
+			int len, fd = open(path, O_RDONLY);
+			if (fd < 0)
+				continue;
+			len = read_in_full(fd, signature, 8);
+			close(fd);
+			if (len != 8 || strncmp(signature, "gitdir: ", 8))
+				continue;
+			path = read_gitfile(path);
+			if (path) {
+				*is_bundle = 0;
+				return xstrdup(absolute_path(path));
+			}
 		}
 	}
 
diff --git a/builtin/init-db.c b/builtin/init-db.c
index 025aa47c80..d07554c884 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -347,7 +347,7 @@ static void separate_git_dir(const char *git_dir)
 		const char *src;
 
 		if (S_ISREG(st.st_mode))
-			src = read_gitfile_gently(git_link);
+			src = read_gitfile(git_link);
 		else if (S_ISDIR(st.st_mode))
 			src = git_link;
 		else