diff options
| -rw-r--r-- | Documentation/diff-generate-patch.txt | 3 | ||||
| -rw-r--r-- | Documentation/git-log.txt | 9 | ||||
| -rw-r--r-- | Documentation/rev-list-options.txt | 13 | ||||
| -rw-r--r-- | log-tree.c | 10 |
4 files changed, 32 insertions, 3 deletions
diff --git a/Documentation/diff-generate-patch.txt b/Documentation/diff-generate-patch.txt index 0f25ba7e3..8f9a2412f 100644 --- a/Documentation/diff-generate-patch.txt +++ b/Documentation/diff-generate-patch.txt @@ -56,7 +56,8 @@ combined diff format "git-diff-tree", "git-diff-files" and "git-diff" can take '-c' or '--cc' option to produce 'combined diff'. For showing a merge commit -with "git log -p", this is the default format. +with "git log -p", this is the default format; you can force showing +full diff with the '-m' option. A 'combined diff' format looks like this: ------------ diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt index 0e39bb61e..fb184ba18 100644 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@ -118,6 +118,15 @@ git log master --not --remotes=*/master:: Shows all commits that are in local master but not in any remote repository master branches. +git log -p -m --first-parent:: + + Shows the history including change diffs, but only from the + "main branch" perspective, skipping commits that come from merged + branches, and showing full diffs of changes introduced by the merges. + This makes sense only when following a strict policy of merging all + topic branches when staying on a single integration branch. + + Discussion ---------- diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index 6e9baf8b3..39a064b53 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -108,8 +108,8 @@ options may be given. See linkgit:git-diff-files[1] for more options. -c:: - This flag changes the way a merge commit is displayed. It shows - the differences from each of the parents to the merge result + With this option, diff output for a merge commit + shows the differences from each of the parents to the merge result simultaneously instead of showing pairwise diff between a parent and the result one at a time. Furthermore, it lists only files which were modified from all parents. @@ -121,6 +121,15 @@ options may be given. See linkgit:git-diff-files[1] for more options. the parents have only two variants and the merge result picks one of them without modification. +-m:: + + This flag makes the merge commits show the full diff like + regular commits; for each merge parent, a separate log entry + and diff is generated. An exception is that only diff against + the first parent is shown when '--first-parent' option is given; + in that case, the output represents the changes the merge + brought _into_ the then-current branch. + -r:: Show recursive diffs. diff --git a/log-tree.c b/log-tree.c index 27afcf697..d3ae969f6 100644 --- a/log-tree.c +++ b/log-tree.c @@ -514,6 +514,16 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log return 0; else if (opt->combine_merges) return do_diff_combined(opt, commit); + else if (opt->first_parent_only) { + /* + * Generate merge log entry only for the first + * parent, showing summary diff of the others + * we merged _in_. + */ + diff_tree_sha1(parents->item->object.sha1, sha1, "", &opt->diffopt); + log_tree_diff_flush(opt); + return !opt->loginfo; + } /* If we show individual diffs, show the parent info */ log->parent = parents->item; |