# is a simplified version of the merge sort used in glibc. This is
# recommended if Git triggers O(n^2) behavior in your platform's qsort().
#
+# Define NO_EXTERNAL_GREP if you don't want "git grep" to ever call
+# your external grep (e.g., if your system lacks grep, if its grep is
+# broken, or spawning external process is slower than built-in grep git has).
GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
@$(SHELL_PATH) ./GIT-VERSION-GEN
ifdef DIR_HAS_BSD_GROUP_SEMANTICS
COMPAT_CFLAGS += -DDIR_HAS_BSD_GROUP_SEMANTICS
endif
+ifdef NO_EXTERNAL_GREP
+ BASIC_CFLAGS += -DNO_EXTERNAL_GREP
+endif
ifeq ($(TCLTK_PATH),)
NO_TCLTK=NoThanks
#include "builtin.h"
#include "grep.h"
+#ifndef NO_EXTERNAL_GREP
+#ifdef __unix__
+#define NO_EXTERNAL_GREP 0
+#else
+#define NO_EXTERNAL_GREP 1
+#endif
+#endif
+
/*
* git grep pathspecs are somewhat different from diff-tree pathspecs;
* pathname wildcards are allowed.
return i;
}
-#ifdef __unix__
+#if !NO_EXTERNAL_GREP
static int exec_grep(int argc, const char **argv)
{
pid_t pid;
int nr;
read_cache();
-#ifdef __unix__
+#if !NO_EXTERNAL_GREP
/*
* Use the external "grep" command for the case where
* we grep through the checked-out files. It tends to