diff options
Diffstat (limited to 'diff-lib.c')
-rw-r--r-- | diff-lib.c | 65 |
1 files changed, 42 insertions, 23 deletions
diff --git a/diff-lib.c b/diff-lib.c index d7e13cb177..2870de400e 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -55,6 +55,33 @@ static int check_removed(const struct cache_entry *ce, struct stat *st) return 0; } +/* + * Has a file changed or has a submodule new commits or a dirty work tree? + * + * Return 1 when changes are detected, 0 otherwise. If the DIRTY_SUBMODULES + * option is set, the caller does not only want to know if a submodule is + * modified at all but wants to know all the conditions that are met (new + * commits, untracked content and/or modified content). + */ +static int match_stat_with_submodule(struct diff_options *diffopt, + struct cache_entry *ce, struct stat *st, + unsigned ce_option, unsigned *dirty_submodule) +{ + int changed = ce_match_stat(ce, st, ce_option); + if (S_ISGITLINK(ce->ce_mode)) { + unsigned orig_flags = diffopt->flags; + if (!DIFF_OPT_TST(diffopt, OVERRIDE_SUBMODULE_CONFIG)) + set_diffopt_flags_from_submodule_config(diffopt, ce->name); + if (DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES)) + changed = 0; + else if (!DIFF_OPT_TST(diffopt, IGNORE_DIRTY_SUBMODULES) + && (!changed || DIFF_OPT_TST(diffopt, DIRTY_SUBMODULES))) + *dirty_submodule = is_submodule_modified(ce->name, DIFF_OPT_TST(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES)); + diffopt->flags = orig_flags; + } + return changed; +} + int run_diff_files(struct rev_info *revs, unsigned int option) { int entries, i; @@ -76,10 +103,11 @@ int run_diff_files(struct rev_info *revs, unsigned int option) unsigned dirty_submodule = 0; if (DIFF_OPT_TST(&revs->diffopt, QUICK) && - DIFF_OPT_TST(&revs->diffopt, HAS_CHANGES)) + !revs->diffopt.filter && + DIFF_OPT_TST(&revs->diffopt, HAS_CHANGES)) break; - if (!ce_path_match(ce, revs->prune_data)) + if (!ce_path_match(ce, &revs->prune_data)) continue; if (ce_stage(ce)) { @@ -177,15 +205,9 @@ int run_diff_files(struct rev_info *revs, unsigned int option) ce->sha1, ce->name, 0); continue; } - changed = ce_match_stat(ce, &st, ce_option); - if (S_ISGITLINK(ce->ce_mode) - && !DIFF_OPT_TST(&revs->diffopt, IGNORE_SUBMODULES) - && (!changed || (revs->diffopt.output_format & DIFF_FORMAT_PATCH)) - && is_submodule_modified(ce->name)) { - changed = 1; - dirty_submodule = 1; - } - if (!changed) { + changed = match_stat_with_submodule(&revs->diffopt, ce, &st, + ce_option, &dirty_submodule); + if (!changed && !dirty_submodule) { ce_mark_uptodate(ce); if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER)) continue; @@ -240,14 +262,8 @@ static int get_stat_data(struct cache_entry *ce, } return -1; } - changed = ce_match_stat(ce, &st, 0); - if (S_ISGITLINK(ce->ce_mode) - && !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES) - && (!changed || (diffopt->output_format & DIFF_FORMAT_PATCH)) - && is_submodule_modified(ce->name)) { - changed = 1; - *dirty_submodule = 1; - } + changed = match_stat_with_submodule(diffopt, ce, &st, + 0, dirty_submodule); if (changed) { mode = ce_mode_from_stat(ce, st.st_mode); sha1 = null_sha1; @@ -322,7 +338,7 @@ static int show_modified(struct rev_info *revs, } oldmode = old->ce_mode; - if (mode == oldmode && !hashcmp(sha1, old->sha1) && + if (mode == oldmode && !hashcmp(sha1, old->sha1) && !dirty_submodule && !DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER)) return 0; @@ -412,7 +428,7 @@ 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); return 0; @@ -486,7 +502,7 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) active_nr = dst - active_cache; init_revisions(&revs, NULL); - revs.prune_data = opt->paths; + 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)); @@ -510,9 +526,12 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) int index_differs_from(const char *def, int diff_flags) { struct rev_info rev; + struct setup_revision_opt opt; init_revisions(&rev, NULL); - setup_revisions(0, NULL, &rev, def); + memset(&opt, 0, sizeof(opt)); + opt.def = def; + setup_revisions(0, NULL, &rev, &opt); DIFF_OPT_SET(&rev.diffopt, QUICK); DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS); rev.diffopt.flags |= diff_flags; |