diff options
Diffstat (limited to 'builtin/diff.c')
-rw-r--r-- | builtin/diff.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/builtin/diff.c b/builtin/diff.c index 945e7583a8..d4d80c982e 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -197,12 +197,7 @@ static void refresh_index_quietly(void) discard_cache(); read_cache(); refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED); - - if (active_cache_changed && - !write_cache(fd, active_cache, active_nr)) - commit_locked_index(lock_file); - - rollback_lock_file(lock_file); + update_index_if_able(&the_index, lock_file); } static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv) @@ -330,8 +325,11 @@ int cmd_diff(int argc, const char **argv, const char *prefix) else if (!strcmp(arg, "--cached") || !strcmp(arg, "--staged")) { add_head_to_pending(&rev); - if (!rev.pending.nr) - die("No HEAD commit to compare with (yet)"); + if (!rev.pending.nr) { + struct tree *tree; + tree = lookup_tree((const unsigned char*)EMPTY_TREE_SHA1_BIN); + add_pending_object(&rev, &tree->object, "HEAD"); + } break; } } |