diff options
Diffstat (limited to 'builtin/diff.c')
-rw-r--r-- | builtin/diff.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/builtin/diff.c b/builtin/diff.c index bab4bd9f57..655a013ed0 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -22,7 +22,7 @@ struct blobinfo { }; static const char builtin_diff_usage[] = -"git diff <options> <rev>{0,2} -- <path>*"; +"git diff [<options>] [<commit> [<commit>]] [--] [<path>...]"; static void stuff_change(struct diff_options *opt, unsigned old_mode, unsigned new_mode, @@ -135,7 +135,7 @@ static int builtin_diff_index(struct rev_info *revs, revs->max_count != -1 || revs->min_age != -1 || revs->max_age != -1) usage(builtin_diff_usage); - if (read_cache_preload(revs->diffopt.paths) < 0) { + if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) { perror("read_cache_preload"); return -1; } @@ -232,7 +232,7 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv revs->combine_merges = revs->dense_combined_merges = 1; setup_work_tree(); - if (read_cache_preload(revs->diffopt.paths) < 0) { + if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) { perror("read_cache_preload"); return -1; } @@ -325,8 +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; } } @@ -366,14 +369,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix) } die("unhandled object '%s' given.", name); } - if (rev.prune_data) { - const char **pathspec = rev.prune_data; - while (*pathspec) { - if (!path) - path = *pathspec; - paths++; - pathspec++; - } + if (rev.prune_data.nr) { + if (!path) + path = rev.prune_data.items[0].match; + paths += rev.prune_data.nr; } /* |