Switching between -E/-G/-P/-F correctly needs a lot more than just
flipping opt->regflags bit these days, and we have a nice helper
function buried in builtin/grep.c for the sole use of "git grep".
Extract it so that "log --grep" family can also use it.
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
builtin/grep.c | 38 +++-----------------------------------
grep.c | 32 ++++++++++++++++++++++++++++++++
grep.h | 1 +
3 files changed, 36 insertions(+), 35 deletions(-)
diff --git a/builtin/grep.c b/builtin/grep.c
index ce379d5..2b14fee 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -261,38 +261,6 @@ static int wait_all(void)
}
#endif
-static void grep_pattern_type_options(const int pattern_type, struct grep_opt *opt)
-{
- switch (pattern_type) {
- case GREP_PATTERN_TYPE_UNSPECIFIED:
- /* fall through */
-
- case GREP_PATTERN_TYPE_BRE:
- opt->fixed = 0;
- opt->pcre = 0;
- opt->regflags &= ~REG_EXTENDED;
- break;
-
- case GREP_PATTERN_TYPE_ERE:
- opt->fixed = 0;
- opt->pcre = 0;
- opt->regflags |= REG_EXTENDED;
- break;
-
- case GREP_PATTERN_TYPE_FIXED:
- opt->fixed = 1;
- opt->pcre = 0;
- opt->regflags &= ~REG_EXTENDED;
- break;
-
- case GREP_PATTERN_TYPE_PCRE:
- opt->fixed = 0;
- opt->pcre = 1;
- opt->regflags &= ~REG_EXTENDED;
- break;
- }
-}
-
static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
{
void *data;
@@ -810,11 +778,11 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
PARSE_OPT_NO_INTERNAL_HELP);
if (pattern_type_arg != GREP_PATTERN_TYPE_UNSPECIFIED)
- grep_pattern_type_options(pattern_type_arg, &opt);
+ grep_set_pattern_type_option(pattern_type_arg, &opt);
else if (opt.pattern_type_option != GREP_PATTERN_TYPE_UNSPECIFIED)
- grep_pattern_type_options(opt.pattern_type_option, &opt);
+ grep_set_pattern_type_option(opt.pattern_type_option, &opt);
else if (opt.extended_regexp_option)
- grep_pattern_type_options(GREP_PATTERN_TYPE_ERE, &opt);
+ grep_set_pattern_type_option(GREP_PATTERN_TYPE_ERE, &opt);
if (use_index && !startup_info->have_repository)
/* die the same way as if we did it at the beginning */
diff --git a/grep.c b/grep.c
index 551a2ed..0d8df65 100644
--- a/grep.c
+++ b/grep.c
@@ -1585,3 +1585,35 @@ int grep_config(const char *var, const char *value, void *cb)
}
return 0;
}
+
+void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, struct grep_opt *opt)
+{
+ switch (pattern_type) {
+ case GREP_PATTERN_TYPE_UNSPECIFIED:
+ /* fall through */
+
+ case GREP_PATTERN_TYPE_BRE:
+ opt->fixed = 0;
+ opt->pcre = 0;
+ opt->regflags &= ~REG_EXTENDED;
+ break;
+
+ case GREP_PATTERN_TYPE_ERE:
+ opt->fixed = 0;
+ opt->pcre = 0;
+ opt->regflags |= REG_EXTENDED;
+ break;
+
+ case GREP_PATTERN_TYPE_FIXED:
+ opt->fixed = 1;
+ opt->pcre = 0;
+ opt->regflags &= ~REG_EXTENDED;
+ break;
+
+ case GREP_PATTERN_TYPE_PCRE:
+ opt->fixed = 0;
+ opt->pcre = 1;
+ opt->regflags &= ~REG_EXTENDED;
+ break;
+ }
+}
diff --git a/grep.h b/grep.h
index 5381adc..2f6aaa5 100644
--- a/grep.h
+++ b/grep.h
@@ -145,6 +145,7 @@ extern void compile_grep_patterns(struct grep_opt *opt);
extern void free_grep_patterns(struct grep_opt *opt);
extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
+void grep_set_pattern_type_option(enum grep_pattern_type, struct grep_opt *opt);
int grep_config(const char *var, const char *value, void *cb);
struct grep_source {
--
1.8.0.rc0.57.g712528f
--
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