doc/diff-options: document new --diff-merges features

Document changes in -m and --diff-merges=m semantics, as well as new --diff-merges=on option. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Sergey Organov committed Apr 13, 2021 at 14:41 UTC 364bc11fe5711fe7fbb98abf376168a207e7a448
1 file changed +11 -2
Documentation/diff-options.txt
+11 -2
index aa2b5c11f2..6d968b9012 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -34,7 +34,7 @@ endif::git-diff[] endif::git-format-patch[] ifdef::git-log[] ---diff-merges=(off|none|first-parent|1|separate|m|combined|c|dense-combined|cc):: +--diff-merges=(off|none|on|first-parent|1|separate|m|combined|c|dense-combined|cc):: --no-diff-merges:: Specify diff format to be used for merge commits. Default is {diff-merges-default} unless `--first-parent` is in use, in which case @@ -45,17 +45,24 @@ ifdef::git-log[] Disable output of diffs for merge commits. Useful to override implied value. + +--diff-merges=on::: +--diff-merges=m::: +-m::: + This option makes diff output for merge commits to be shown in + the default format. `-m` will produce the output only if `-p` + is given as well. The default format could be changed using + `log.diffMerges` configuration parameter, which default value + is `separate`. ++ --diff-merges=first-parent::: --diff-merges=1::: This option makes merge commits show the full diff with respect to the first parent only. + --diff-merges=separate::: ---diff-merges=m::: --m::: This makes merge commits show the full diff with respect to each of the parents. Separate log entry and diff is generated - for each parent. `-m` doesn't produce any output without `-p`. + for each parent. + --diff-merges=combined::: --diff-merges=c:::