Make git-grep optionally omit the parts of the line before and after the
match.
Signed-off-by: Marcus Karlsson <mk@xxxxxxxxxx>
---
Documentation/git-grep.txt | 8 +++++++-
builtin/grep.c | 2 ++
grep.c | 7 +++++--
grep.h | 1 +
4 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index cfecf84..6ef22cb 100644
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -20,7 +20,8 @@ SYNOPSIS
[-c | --count] [--all-match] [-q | --quiet]
[--max-depth <depth>]
[--color[=<when>] | --no-color]
- [--break] [--heading] [-p | --show-function]
+ [--break] [--heading] [-o | --only-matching]
+ [-p | --show-function]
[-A <post-context>] [-B <pre-context>] [-C <context>]
[-W | --function-context]
[-f <file>] [-e] <pattern>
@@ -183,6 +184,11 @@ OPTIONS
Show the filename above the matches in that file instead of
at the start of each shown line.
+-o::
+--only-matching::
+ Show only the part of the matching line that matched the
+ pattern.
+
-p::
--show-function::
Show the preceding line that contains the function name of
diff --git a/builtin/grep.c b/builtin/grep.c
index 09ca4c9..56aba7b 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -782,6 +782,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
N_("print empty line between matches from different files")),
OPT_BOOLEAN(0, "heading", &opt.heading,
N_("show filename only once above matches from same file")),
+ OPT_BOOLEAN('o', "only-matching", &opt.only_matching,
+ N_("show only the matching part of a matched line")),
OPT_GROUP(""),
OPT_CALLBACK('C', "context", &opt, N_("n"),
N_("show <n> context lines before and after matches"),
diff --git a/grep.c b/grep.c
index 04e3ec6..9fc888e 100644
--- a/grep.c
+++ b/grep.c
@@ -827,7 +827,9 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
if (match.rm_so == match.rm_eo)
break;
- output_color(opt, bol, match.rm_so, line_color);
+ if (opt->only_matching == 0)
+ output_color(opt, bol, match.rm_so,
+ line_color);
output_color(opt, bol + match.rm_so,
match.rm_eo - match.rm_so,
opt->color_match);
@@ -837,7 +839,8 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
}
*eol = ch;
}
- output_color(opt, bol, rest, line_color);
+ if (opt->only_matching == 0)
+ output_color(opt, bol, rest, line_color);
opt->output(opt, "\n", 1);
}
diff --git a/grep.h b/grep.h
index 75afb7b..4163102 100644
--- a/grep.h
+++ b/grep.h
@@ -127,6 +127,7 @@ struct grep_opt {
int show_hunk_mark;
int file_break;
int heading;
+ int only_matching;
void *priv;
void (*output)(struct grep_opt *opt, const void *data, size_t size);
--
1.7.12.289.g0ce9864.dirty
--
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