diff options
| -rw-r--r-- | diff-lib.c | 45 | ||||
| -rw-r--r-- | diff.c | 6 |
2 files changed, 33 insertions, 18 deletions
diff --git a/diff-lib.c b/diff-lib.c index 1ab286a3ce..ea9cf561cd 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -55,6 +55,29 @@ 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) + && !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES) + && (!changed || DIFF_OPT_TST(diffopt, DIRTY_SUBMODULES))) { + *dirty_submodule = is_submodule_modified(ce->name); + if (*dirty_submodule) + changed = 1; + } + return changed; +} + int run_diff_files(struct rev_info *revs, unsigned int option) { int entries, i; @@ -177,15 +200,8 @@ 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) - || DIFF_OPT_TST(&revs->diffopt, DIRTY_SUBMODULES))) { - dirty_submodule = is_submodule_modified(ce->name); - if (dirty_submodule) - changed = 1; - } + changed = match_stat_with_submodule(&revs->diffopt, ce, &st, + ce_option, &dirty_submodule); if (!changed) { ce_mark_uptodate(ce); if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER)) @@ -241,15 +257,8 @@ 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) - || DIFF_OPT_TST(diffopt, DIRTY_SUBMODULES))) { - *dirty_submodule = is_submodule_modified(ce->name); - if (*dirty_submodule) - changed = 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; @@ -2628,6 +2628,12 @@ int diff_setup_done(struct diff_options *options) */ if (options->pickaxe) DIFF_OPT_SET(options, RECURSIVE); + /* + * When patches are generated, submodules diffed against the work tree + * must be checked for dirtiness too so it can be shown in the output + */ + if (options->output_format & DIFF_FORMAT_PATCH) + DIFF_OPT_SET(options, DIRTY_SUBMODULES); if (options->detect_rename && options->rename_limit < 0) options->rename_limit = diff_rename_limit_default; |