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grep: long context options

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Take long option names for -A (--after-context), -B (--before-context)
and -C (--context) from GNU grep and add a similar long option name
for -W (--function-context).

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2011-08-01 19:22:52 +02:00 committed by Junio C Hamano
parent ba8ea7496f
commit 317f63c21c
2 changed files with 21 additions and 13 deletions
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26
Documentation/git-grep.txt
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@ -155,15 +155,6 @@ OPTIONS
Show the filename above the matches in that file instead of
at the start of each shown line.
-[ABC] <context>::
Show `context` trailing (`A` -- after), or leading (`B`
-- before), or both (`C` -- context) lines, and place a
line containing `--` between contiguous groups of
matches.
-<num>::
A shortcut for specifying `-C<num>`.
-p::
--show-function::
Show the preceding line that contains the function name of
@ -172,7 +163,24 @@ OPTIONS
patch hunk headers (see 'Defining a custom hunk-header' in
linkgit:gitattributes[5]).
-<num>::
-C <num>::
--context <num>::
Show <num> leading and trailing lines, and place a line
containing `--` between contiguous groups of matches.
-A <num>::
--after-context <num>::
Show <num> trailing lines, and place a line containing
`--` between contiguous groups of matches.
-B <num>::
--before-context <num>::
Show <num> leading lines, and place a line containing
`--` between contiguous groups of matches.
-W::
--function-context::
Show the surrounding text from the previous line containing a
function name up to the one before the next function name,
effectively showing the whole function in which the match was

8
builtin/grep.c
View file

@ -827,18 +827,18 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_BOOLEAN(0, "heading", &opt.heading,
"show filename only once above matches from same file"),
OPT_GROUP(""),
OPT_CALLBACK('C', NULL, &opt, "n",
OPT_CALLBACK('C', "context", &opt, "n",
"show <n> context lines before and after matches",
context_callback),
OPT_INTEGER('B', NULL, &opt.pre_context,
OPT_INTEGER('B', "before-context", &opt.pre_context,
"show <n> context lines before matches"),
OPT_INTEGER('A', NULL, &opt.post_context,
OPT_INTEGER('A', "after-context", &opt.post_context,
"show <n> context lines after matches"),
OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
context_callback),
OPT_BOOLEAN('p', "show-function", &opt.funcname,
"show a line with the function name before matches"),
OPT_BOOLEAN('W', NULL, &opt.funcbody,
OPT_BOOLEAN('W', "function-context", &opt.funcbody,
"show the surrounding function"),
OPT_GROUP(""),
OPT_CALLBACK('f', NULL, &opt, "file",