X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=sha1_file.c;h=895c1fab6fc00b8131e44851f33b79b1d2310b12;hb=750a09a7de63c92868cff41a3151eac320c77fa0;hp=66382027816e8ec3a97c40f6849c62454f2ad0f2;hpb=4803c2802c11525b11d106247661ea13b2a9ce98;p=git.git

diff --git a/sha1_file.c b/sha1_file.c
index 66382027..895c1fab 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -20,6 +20,8 @@
 #endif
 #endif
 
+const unsigned char null_sha1[20] = { 0, };
+
 static unsigned int sha1_file_open_flag = O_NOATIME;
 
 static unsigned hexval(char c)
@@ -70,6 +72,13 @@ static void setup_git_env(void)
 		git_graft_file = strdup(git_path("info/grafts"));
 }
 
+char *get_git_dir(void)
+{
+	if (!git_dir)
+		setup_git_env();
+	return git_dir;
+}
+
 char *get_object_directory(void)
 {
 	if (!git_object_dir)
@@ -864,7 +873,8 @@ void packed_object_info_detail(struct pack_entry *e,
 		strcpy(type, "tag");
 		break;
 	default:
-		die("corrupted pack file");
+		die("corrupted pack file %s containing object of kind %d",
+		    p->pack_name, kind);
 	}
 	*store_size = 0; /* notyet */
 }
@@ -903,7 +913,8 @@ static int packed_object_info(struct pack_entry *entry,
 		strcpy(type, "tag");
 		break;
 	default:
-		die("corrupted pack file");
+		die("corrupted pack file %s containing object of kind %d",
+		    p->pack_name, kind);
 	}
 	if (sizep)
 		*sizep = size;
@@ -1003,7 +1014,7 @@ static void *unpack_entry(struct pack_entry *entry,
 	retval = unpack_entry_gently(entry, type, sizep);
 	unuse_packed_git(p);
 	if (!retval)
-		die("corrupted pack file");
+		die("corrupted pack file %s", p->pack_name);
 	return retval;
 }