Merge branch 'jn/gc-auto-prep'

Code clean-up.

* jn/gc-auto-prep:
  gc: exit with status 128 on failure
  gc: improve handling of errors reading gc.log

diff --cc builtin/gc.c
index 6591ddbe83c46b22aa514cd962a1087294cd1caa,95c8afd07bca53463eea6d9ce12ea36430405592..705c3d3851c7ba708a2c3a13426d48ad90fd23ab
--- 1/builtin/gc.c
--- 2/builtin/gc.c
+++ b/builtin/gc.c
@@@ -611,13 -605,11 +608,12 @@@ int cmd_gc(int argc, const char **argv
                atexit(process_log_file_at_exit);
        }
  
-       if (gc_before_repack())
-               return -1;
+       gc_before_repack();
  
        if (!repository_format_precious_objects) {
 +              close_all_packs(the_repository->objects);
                if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
-                       return error(FAILED_RUN, repack.argv[0]);
+                       die(FAILED_RUN, repack.argv[0]);
  
                if (prune_expire) {
                        argv_array_push(&prune, prune_expire);

diff --cc t/t6500-gc.sh
Simple merge