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author | Junio C Hamano <gitster@pobox.com> | 2021-02-06 03:40:44 +0300 |
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committer | Junio C Hamano <gitster@pobox.com> | 2021-02-06 03:40:44 +0300 |
commit | aac006aa99fd94ac1665d6daa31b9e289914bfe7 (patch) | |
tree | 4a7ff0b3a52c0c643ddcaed01fc130310b70b21c /log-tree.c | |
parent | 30b29f044a2b30f0667eb21559959e03eb1bd04f (diff) | |
parent | af04d8f1a5a38373fba762071824bc85da7cc050 (diff) |
Merge branch 'so/log-diff-merge'
"git log" learned a new "--diff-merges=<how>" option.
* so/log-diff-merge: (32 commits)
t4013: add tests for --diff-merges=first-parent
doc/git-show: include --diff-merges description
doc/rev-list-options: document --first-parent changes merges format
doc/diff-generate-patch: mention new --diff-merges option
doc/git-log: describe new --diff-merges options
diff-merges: add '--diff-merges=1' as synonym for 'first-parent'
diff-merges: add old mnemonic counterparts to --diff-merges
diff-merges: let new options enable diff without -p
diff-merges: do not imply -p for new options
diff-merges: implement new values for --diff-merges
diff-merges: make -m/-c/--cc explicitly mutually exclusive
diff-merges: refactor opt settings into separate functions
diff-merges: get rid of now empty diff_merges_init_revs()
diff-merges: group diff-merge flags next to each other inside 'rev_info'
diff-merges: split 'ignore_merges' field
diff-merges: fix -m to properly override -c/--cc
t4013: add tests for -m failing to override -c/--cc
t4013: support test_expect_failure through ':failure' magic
diff-merges: revise revs->diff flag handling
diff-merges: handle imply -p on -c/--cc logic for log.c
...
Diffstat (limited to 'log-tree.c')
-rw-r--r-- | log-tree.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/log-tree.c b/log-tree.c index fd0dde97ec..e048467650 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); @@ -916,16 +922,16 @@ 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 (opt->ignore_merges) - return 0; - else if (opt->combine_merges) + if (is_merge) { + if (opt->combine_merges) return do_diff_combined(opt, commit); - else if (!opt->first_parent_only) { - /* If we show multiple diffs, show the parent info */ - log->parent = parents->item; - } + if (opt->separate_merges) { + if (!opt->first_parent_merges) { + /* Show parent info for multiple diffs */ + log->parent = parents->item; + } + } else + return 0; } showed_log = 0; @@ -941,7 +947,7 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log /* Set up the log info for the next parent, if any.. */ parents = parents->next; - if (!parents || opt->first_parent_only) + if (!parents || opt->first_parent_merges) break; log->parent = parents->item; opt->loginfo = log; |