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

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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>
This commit is contained in:
Sergey Organov 2021-04-13 14:41:18 +03:00 committed by Junio C Hamano
parent 17c13e60fd
commit 364bc11fe5
1 changed files with 11 additions and 4 deletions
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15
Documentation/diff-options.txt
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@ -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:::