[PATCH 06/18] grep: use RUN_SETUP_GENTLY

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

grep has USE_PAGER set. setup_pager() may read config even
setup_git_dir* is not run yet. This tries to find a repository before
config is read.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/grep.c |    9 +++------
 git.c          |    2 +-
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/builtin/grep.c b/builtin/grep.c
index 40b9a93..fb82ff8 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -765,7 +765,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 	const char **paths = NULL;
 	int i;
 	int dummy;
-	int nongit = 0, use_index = 1;
+	int use_index = 1;
 	struct option options[] = {
 		OPT_BOOLEAN(0, "cached", &cached,
 			"search in index instead of in the work tree"),
@@ -853,8 +853,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 		OPT_END()
 	};
 
-	prefix = setup_git_directory_gently(&nongit);
-
 	/*
 	 * 'git grep -h', unlike 'git grep -h <pattern>', is a request
 	 * to show usage information and exit.
@@ -893,9 +891,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 			     PARSE_OPT_STOP_AT_NON_OPTION |
 			     PARSE_OPT_NO_INTERNAL_HELP);
 
-	if (use_index && nongit)
-		/* die the same way as if we did it at the beginning */
-		setup_git_directory();
+	if (use_index && !startup_info->have_repository)
+		die("No git repository found");
 
 	/*
 	 * skip a -- separator; we know it cannot be
diff --git a/git.c b/git.c
index 29489e6..3904fe2 100644
--- a/git.c
+++ b/git.c
@@ -326,7 +326,7 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "fsck-objects", cmd_fsck, RUN_SETUP },
 		{ "gc", cmd_gc, RUN_SETUP },
 		{ "get-tar-commit-id", cmd_get_tar_commit_id },
-		{ "grep", cmd_grep, USE_PAGER },
+		{ "grep", cmd_grep, RUN_SETUP_GENTLY | USE_PAGER },
 		{ "hash-object", cmd_hash_object, RUN_SETUP_GENTLY },
 		{ "help", cmd_help },
 		{ "index-pack", cmd_index_pack },
-- 
1.7.0.195.g637a2