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log: when --cc is given, default to -p unless told otherwise

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The "--cc" option to "git log" is clearly a request to show some
sort of combined diff (be it --patch or --raw), but traditionally
we required the command line to explicitly ask for "git log -p --cc".

Teach the command line parser to treat a lone "--cc" as if the user
specified "-p --cc".  Formats that do ask for other forms of diff
output, e.g. "log --raw --cc", are not overriden.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2015-08-20 14:36:49 -07:00
parent b130c706ec
commit c7eaf8b4c3
1 changed files with 4 additions and 0 deletions
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4
builtin/log.c
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@ -633,6 +633,10 @@ static void log_setup_revisions_tweak(struct rev_info *rev,
if (DIFF_OPT_TST(&rev->diffopt, DEFAULT_FOLLOW_RENAMES) &&
rev->prune_data.nr == 1)
DIFF_OPT_SET(&rev->diffopt, FOLLOW_RENAMES);
/* Turn --cc/-c into -p --cc/-c when -p was not given */
if (!rev->diffopt.output_format && rev->combine_merges)
rev->diffopt.output_format = DIFF_FORMAT_PATCH;
}
int cmd_log(int argc, const char **argv, const char *prefix)