X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=sha1_file.c;h=e42ef96d457f6aa12ab7d0057acf936db0335d40;hb=48c250a121a425a1860226b6a7061aecfbab5246;hp=72de38909ef6b05f0aa709b78fd803c632a02044;hpb=878bd809d7c879f1a9ea00bdb4cb97d846ef4e93;p=git.git

diff --git a/sha1_file.c b/sha1_file.c
index 72de38909..e42ef96d4 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2525,3 +2525,13 @@ int read_pack_header(int fd, struct pack_header *header)
 		return PH_ERROR_PROTOCOL;
 	return 0;
 }
+
+void assert_sha1_type(const unsigned char *sha1, enum object_type expect)
+{
+	enum object_type type = sha1_object_info(sha1, NULL);
+	if (type < 0)
+		die("%s is not a valid object", sha1_to_hex(sha1));
+	if (type != expect)
+		die("%s is not a valid '%s' object", sha1_to_hex(sha1),
+		    typename(expect));
+}