diff options
Diffstat (limited to 'diff-lib.c')
-rw-r--r-- | diff-lib.c | 104 |
1 files changed, 42 insertions, 62 deletions
diff --git a/diff-lib.c b/diff-lib.c index 9c29293bbc..f35de0ffa0 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -206,7 +206,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option) if (silent_on_removed) continue; diff_addremove(&revs->diffopt, '-', ce->ce_mode, - ce->sha1, ce->name, 0); + ce->sha1, !is_null_sha1(ce->sha1), + ce->name, 0); continue; } changed = match_stat_with_submodule(&revs->diffopt, ce, &st, @@ -220,6 +221,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option) newmode = ce_mode_from_stat(ce, st.st_mode); diff_change(&revs->diffopt, oldmode, newmode, ce->sha1, (changed ? null_sha1 : ce->sha1), + !is_null_sha1(ce->sha1), (changed ? 0 : !is_null_sha1(ce->sha1)), ce->name, 0, dirty_submodule); } @@ -236,11 +238,12 @@ int run_diff_files(struct rev_info *revs, unsigned int option) static void diff_index_show_file(struct rev_info *revs, const char *prefix, struct cache_entry *ce, - const unsigned char *sha1, unsigned int mode, + const unsigned char *sha1, int sha1_valid, + unsigned int mode, unsigned dirty_submodule) { diff_addremove(&revs->diffopt, prefix[0], mode, - sha1, ce->name, dirty_submodule); + sha1, sha1_valid, ce->name, dirty_submodule); } static int get_stat_data(struct cache_entry *ce, @@ -289,13 +292,13 @@ static void show_new_file(struct rev_info *revs, /* * New file in the index: it might actually be different in - * the working copy. + * the working tree. */ if (get_stat_data(new, &sha1, &mode, cached, match_missing, &dirty_submodule, &revs->diffopt) < 0) return; - diff_index_show_file(revs, "+", new, sha1, mode, dirty_submodule); + diff_index_show_file(revs, "+", new, sha1, !is_null_sha1(sha1), mode, dirty_submodule); } static int show_modified(struct rev_info *revs, @@ -312,7 +315,7 @@ static int show_modified(struct rev_info *revs, &dirty_submodule, &revs->diffopt) < 0) { if (report_missing) diff_index_show_file(revs, "-", old, - old->sha1, old->ce_mode, 0); + old->sha1, 1, old->ce_mode, 0); return -1; } @@ -347,7 +350,8 @@ static int show_modified(struct rev_info *revs, return 0; diff_change(&revs->diffopt, oldmode, mode, - old->sha1, sha1, old->name, 0, dirty_submodule); + old->sha1, sha1, 1, !is_null_sha1(sha1), + old->name, 0, dirty_submodule); return 0; } @@ -379,7 +383,8 @@ static void do_oneway_diff(struct unpack_trees_options *o, if (cached && idx && ce_stage(idx)) { struct diff_filepair *pair; pair = diff_unmerge(&revs->diffopt, idx->name); - fill_filespec(pair->one, idx->sha1, idx->ce_mode); + if (tree) + fill_filespec(pair->one, tree->sha1, 1, tree->ce_mode); return; } @@ -395,7 +400,7 @@ static void do_oneway_diff(struct unpack_trees_options *o, * Something removed from the tree? */ if (!idx) { - diff_index_show_file(revs, "-", tree, tree->sha1, tree->ce_mode, 0); + diff_index_show_file(revs, "-", tree, tree->sha1, 1, tree->ce_mode, 0); return; } @@ -433,26 +438,30 @@ static int oneway_diff(struct cache_entry **src, struct unpack_trees_options *o) if (tree == o->df_conflict_entry) tree = NULL; - if (ce_path_match(idx ? idx : tree, &revs->prune_data)) + if (ce_path_match(idx ? idx : tree, &revs->prune_data)) { do_oneway_diff(o, idx, tree); + if (diff_can_quit_early(&revs->diffopt)) { + o->exiting_early = 1; + return -1; + } + } return 0; } -int run_diff_index(struct rev_info *revs, int cached) +static int diff_cache(struct rev_info *revs, + const unsigned char *tree_sha1, + const char *tree_name, + int cached) { - struct object *ent; struct tree *tree; - const char *tree_name; - struct unpack_trees_options opts; struct tree_desc t; + struct unpack_trees_options opts; - ent = revs->pending.objects[0].item; - tree_name = revs->pending.objects[0].name; - tree = parse_tree_indirect(ent->sha1); + tree = parse_tree_indirect(tree_sha1); if (!tree) - return error("bad tree object %s", tree_name); - + return error("bad tree object %s", + tree_name ? tree_name : sha1_to_hex(tree_sha1)); memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; opts.index_only = cached; @@ -463,9 +472,20 @@ int run_diff_index(struct rev_info *revs, int cached) opts.unpack_data = revs; opts.src_index = &the_index; opts.dst_index = NULL; + opts.pathspec = &revs->diffopt.pathspec; + opts.pathspec->recursive = 1; + opts.pathspec->max_depth = -1; init_tree_desc(&t, tree->buffer, tree->size); - if (unpack_trees(1, &t, &opts)) + return unpack_trees(1, &t, &opts); +} + +int run_diff_index(struct rev_info *revs, int cached) +{ + struct object_array_entry *ent; + + ent = revs->pending.objects; + if (diff_cache(revs, ent->item->sha1, ent->name, cached)) exit(128); diff_set_mnemonic_prefix(&revs->diffopt, "c/", cached ? "i/" : "w/"); @@ -477,53 +497,13 @@ int run_diff_index(struct rev_info *revs, int cached) int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) { - struct tree *tree; struct rev_info revs; - int i; - struct cache_entry **dst; - struct cache_entry *last = NULL; - struct unpack_trees_options opts; - struct tree_desc t; - - /* - * This is used by git-blame to run diff-cache internally; - * it potentially needs to repeatedly run this, so we will - * start by removing the higher order entries the last round - * left behind. - */ - dst = active_cache; - for (i = 0; i < active_nr; i++) { - struct cache_entry *ce = active_cache[i]; - if (ce_stage(ce)) { - if (last && !strcmp(ce->name, last->name)) - continue; - cache_tree_invalidate_path(active_cache_tree, - ce->name); - last = ce; - ce->ce_flags |= CE_REMOVE; - } - *dst++ = ce; - } - active_nr = dst - active_cache; init_revisions(&revs, NULL); init_pathspec(&revs.prune_data, opt->pathspec.raw); - tree = parse_tree_indirect(tree_sha1); - if (!tree) - die("bad tree object %s", sha1_to_hex(tree_sha1)); - - memset(&opts, 0, sizeof(opts)); - opts.head_idx = 1; - opts.index_only = 1; - opts.diff_index_cached = !DIFF_OPT_TST(opt, FIND_COPIES_HARDER); - opts.merge = 1; - opts.fn = oneway_diff; - opts.unpack_data = &revs; - opts.src_index = &the_index; - opts.dst_index = &the_index; + revs.diffopt = *opt; - init_tree_desc(&t, tree->buffer, tree->size); - if (unpack_trees(1, &t, &opts)) + if (diff_cache(&revs, tree_sha1, NULL, 1)) exit(128); return 0; } |