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grep: --count over binary

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The intent of showing the message "Binary file xyz matches" for
binary files is to avoid annoying users by potentially messing up
their terminals by printing control characters.  In --count mode,
this precaution isn't necessary.

Display counts of matches if -c/--count was specified, even if -a
was not given.  GNU grep does the same.

Moving the check for ->count before the code for handling binary
file also avoids printing context lines if --count and -[ABC] were
used together, so we can remove the part of the comment that
mentions this behaviour.  Again, GNU grep does the same.

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 2010-05-22 23:29:35 +02:00 committed by Junio C Hamano
parent 64fcec78b5
commit c30c10cff1
2 changed files with 10 additions and 5 deletions
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9
grep.c
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@ -873,6 +873,8 @@ static int grep_buffer_1(struct grep_opt *opt, const char *name,
count++;
if (opt->status_only)
return 1;
if (opt->count)
goto next_line;
if (binary_match_only) {
opt->output(opt, "Binary file ", 12);
output_color(opt, name, strlen(name),
@ -886,16 +888,12 @@ static int grep_buffer_1(struct grep_opt *opt, const char *name,
}
/* Hit at this line. If we haven't shown the
* pre-context lines, we would need to show them.
* When asked to do "count", this still show
* the context which is nonsense, but the user
* deserves to get that ;-).
*/
if (opt->pre_context)
show_pre_context(opt, name, buf, bol, lno);
else if (opt->funcname)
show_funcname_line(opt, name, buf, bol, lno);
if (!opt->count)
show_line(opt, bol, eol, name, lno, ':');
show_line(opt, bol, eol, name, lno, ':');
last_hit = lno;
}
else if (last_hit &&
@ -939,6 +937,7 @@ static int grep_buffer_1(struct grep_opt *opt, const char *name,
output_sep(opt, ':');
snprintf(buf, sizeof(buf), "%u\n", count);
opt->output(opt, buf, strlen(buf));
return 1;
}
return !!last_hit;
}

6
t/t7008-grep-binary.sh
View File

@ -27,6 +27,12 @@ test_expect_success 'git grep -I ina a' '
test_cmp expect actual
'
test_expect_success 'git grep -c ina a' '
echo a:1 >expect &&
git grep -c ina a >actual &&
test_cmp expect actual
'
test_expect_success 'git grep -L bar a' '
echo a >expect &&
git grep -L bar a >actual &&