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Revert "builtin-grep: workaround for non GNU grep."

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This reverts 518920b764 commit.
Linus has a more portable alternative.
This commit is contained in:
Junio C Hamano 2006-05-17 11:42:14 -07:00
parent 518920b764
commit e78503db16
2 changed files with 3 additions and 30 deletions
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11
Makefile
View File

@ -46,8 +46,6 @@ all:
#
# Define NO_MMAP if you want to avoid mmap.
#
# Define NO_H_OPTION_IN_GREP if your grep does not understand -H.
#
# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
#
# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
@ -446,12 +444,6 @@ ifdef NO_ACCURATE_DIFF
ALL_CFLAGS += -DNO_ACCURATE_DIFF
endif
ifdef NO_H_OPTION_IN_GREP
NO_H_OPTION_IN_GREP=1
else
NO_H_OPTION_IN_GREP=0
endif
# Shell quote (do not use $(call) to accomodate ancient setups);
SHA1_HEADER_SQ = $(subst ','\'',$(SHA1_HEADER))
@ -534,9 +526,6 @@ git$X git.spec \
%.o: %.S
$(CC) -o $*.o -c $(ALL_CFLAGS) $<
builtin-grep.o: builtin-grep.c
$(CC) -o $*.o -c $(ALL_CFLAGS) -DNO_H_OPTION_IN_GREP=$(NO_H_OPTION_IN_GREP) $<
exec_cmd.o: exec_cmd.c
$(CC) -o $*.o -c $(ALL_CFLAGS) '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' $<

22
builtin-grep.c
View File

@ -453,6 +453,7 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached)
len = nr = 0;
push_arg("grep");
push_arg("-H");
if (opt->fixed)
push_arg("-F");
if (opt->linenum)
@ -502,13 +503,7 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached)
push_arg("-e");
push_arg(p->pattern);
}
if (NO_H_OPTION_IN_GREP)
push_arg("/dev/null");
else {
push_arg("-H");
push_arg("--");
}
push_arg("--");
hit = 0;
argc = nr;
@ -540,19 +535,8 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached)
* Use the external "grep" command for the case where
* we grep through the checked-out files. It tends to
* be a lot more optimized
*
* Some grep implementations do not understand -H nor --
* but /dev/null can be used as a substitution in most
* cases.
*
* However -L and -c would slightly misbehave (-L would
* list /dev/null as a hit, and -c would report 0 hits
* from /dev/null); so do not use the external one on
* such platforms.
*/
if (!cached &&
(!NO_H_OPTION_IN_GREP ||
(!opt->count && !opt->unmatch_name_only))) {
if (!cached) {
hit = external_grep(opt, paths, cached);
if (hit >= 0)
return hit;