refdb_fs: Traits are always surrounded by spaces

This makes parsing easier! :p

src/refdb_fs.c

@@ -219,9 +219,9 @@ static int packed_load(refdb_fs_backend *backend)
 			const char *traits = buffer_start + strlen(traits_header);
 			const char *traits_end = strchr(traits, '\n');
 
-			if (strstr(traits, "fully-peeled") != NULL) {
+			if (strstr(traits, " fully-peeled ") != NULL) {
 				backend->peeling_mode = PEELING_FULL;
-			} else if (strstr(traits, "peeled") != NULL) {
+			} else if (strstr(traits, " peeled ") != NULL) {
 				backend->peeling_mode = PEELING_STANDARD;
 			}
 

src/refs.h

@@ -26,7 +26,7 @@
 
 #define GIT_SYMREF "ref: "
 #define GIT_PACKEDREFS_FILE "packed-refs"
-#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled fully-peeled"
+#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled fully-peeled "
 #define GIT_PACKEDREFS_FILE_MODE 0666
 
 #define GIT_HEAD_FILE "HEAD"