diff options
| -rw-r--r-- | diff-merges.c | 17 | ||||
| -rw-r--r-- | log-tree.c | 13 | ||||
| -rw-r--r-- | revision.h | 1 |
3 files changed, 22 insertions, 9 deletions
diff --git a/diff-merges.c b/diff-merges.c index 6d48ac5ab9..ee91ed0db4 100644 --- a/diff-merges.c +++ b/diff-merges.c @@ -10,6 +10,7 @@ static void suppress(struct rev_info *revs) revs->dense_combined_merges = 0; revs->combined_all_paths = 0; revs->combined_imply_patch = 0; + revs->merges_need_diff = 0; } static void set_separate(struct rev_info *revs) @@ -51,9 +52,13 @@ static void set_dense_combined(struct rev_info *revs) static void set_diff_merges(struct rev_info *revs, const char *optarg) { - if (!strcmp(optarg, "off") || !strcmp(optarg, "none")) + if (!strcmp(optarg, "off") || !strcmp(optarg, "none")) { suppress(revs); - else if (!strcmp(optarg, "first-parent")) + /* Return early to leave revs->merges_need_diff unset */ + return; + } + + if (!strcmp(optarg, "first-parent")) set_first_parent(revs); else if (!strcmp(optarg, "separate")) set_separate(revs); @@ -63,6 +68,9 @@ static void set_diff_merges(struct rev_info *revs, const char *optarg) set_dense_combined(revs); else die(_("unknown value for --diff-merges: %s"), optarg); + + /* The flag is cleared by set_xxx() functions, so don't move this up */ + revs->merges_need_diff = 1; } /* @@ -129,10 +137,9 @@ void diff_merges_setup_revs(struct rev_info *revs) revs->first_parent_merges = 0; if (revs->combined_all_paths && !revs->combine_merges) die("--combined-all-paths makes no sense without -c or --cc"); - if (revs->combine_merges) + if (revs->combined_imply_patch) revs->diff = 1; - if (revs->combined_imply_patch) { - /* Turn --cc/-c into -p --cc/-c when -p was not given */ + if (revs->combined_imply_patch || revs->merges_need_diff) { if (!revs->diffopt.output_format) revs->diffopt.output_format = DIFF_FORMAT_PATCH; } diff --git a/log-tree.c b/log-tree.c index f9385b1dae..9f50a81e53 100644 --- a/log-tree.c +++ b/log-tree.c @@ -899,15 +899,21 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log int showed_log; struct commit_list *parents; struct object_id *oid; + int is_merge; + int all_need_diff = opt->diff || opt->diffopt.flags.exit_with_status; - if (!opt->diff && !opt->diffopt.flags.exit_with_status) + if (!all_need_diff && !opt->merges_need_diff) return 0; parse_commit_or_die(commit); oid = get_commit_tree_oid(commit); - /* Root commit? */ parents = get_saved_parents(opt, commit); + is_merge = parents && parents->next; + if (!is_merge && !all_need_diff) + return 0; + + /* Root commit? */ if (!parents) { if (opt->show_root_diff) { diff_root_tree_oid(oid, "", &opt->diffopt); @@ -916,8 +922,7 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log return !opt->loginfo; } - /* More than one parent? */ - if (parents->next) { + if (is_merge) { if (opt->combine_merges) return do_diff_combined(opt, commit); if (opt->separate_merges) { diff --git a/revision.h b/revision.h index bfbae526ad..494d861424 100644 --- a/revision.h +++ b/revision.h @@ -194,6 +194,7 @@ struct rev_info { always_show_header:1, /* Diff-merge flags */ explicit_diff_merges: 1, + merges_need_diff: 1, separate_merges: 1, combine_merges:1, combined_all_paths:1, |