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-rw-r--r--builtin-grep.c40
-rw-r--r--git.c2
-rwxr-xr-xt/t7002-grep.sh52
3 files changed, 93 insertions, 1 deletions
diff --git a/builtin-grep.c b/builtin-grep.c
index 26d4deb..0ef849c 100644
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -14,6 +14,7 @@
#include "userdiff.h"
#include "grep.h"
#include "quote.h"
+#include "dir.h"
#ifndef NO_PTHREADS
#include "thread-utils.h"
@@ -645,6 +646,24 @@ static int grep_object(struct grep_opt *opt, const char **paths,
die("unable to grep from object of type %s", typename(obj->type));
}
+static int grep_directory(struct grep_opt *opt, const char **paths)
+{
+ struct dir_struct dir;
+ int i, hit = 0;
+
+ memset(&dir, 0, sizeof(dir));
+ setup_standard_excludes(&dir);
+
+ fill_directory(&dir, paths);
+ for (i = 0; i < dir.nr; i++) {
+ hit |= grep_file(opt, dir.entries[i]->name);
+ if (hit && opt->status_only)
+ break;
+ }
+ free_grep_patterns(opt);
+ return hit;
+}
+
static int context_callback(const struct option *opt, const char *arg,
int unset)
{
@@ -739,9 +758,12 @@ 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;
struct option options[] = {
OPT_BOOLEAN(0, "cached", &cached,
"search in index instead of in the work tree"),
+ OPT_BOOLEAN(0, "index", &use_index,
+ "--no-index finds in contents not managed by git"),
OPT_GROUP(""),
OPT_BOOLEAN('v', "invert-match", &opt.invert,
"show non-matching lines"),
@@ -824,6 +846,8 @@ 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.
@@ -861,6 +885,10 @@ 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();
+
/* First unrecognized non-option token */
if (argc > 0 && !opt.pattern_list) {
append_grep_pattern(&opt, argv[0], "command line", 0,
@@ -922,6 +950,18 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
paths[1] = NULL;
}
+ if (!use_index) {
+ int hit;
+ if (cached)
+ die("--cached cannot be used with --no-index.");
+ if (list.nr)
+ die("--no-index cannot be used with revs.");
+ hit = grep_directory(&opt, paths);
+ if (use_threads)
+ hit |= wait_all();
+ return !hit;
+ }
+
if (!list.nr) {
int hit;
if (!cached)
diff --git a/git.c b/git.c
index 4c3028c..b3e23f1 100644
--- a/git.c
+++ b/git.c
@@ -317,7 +317,7 @@ 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, RUN_SETUP | USE_PAGER },
+ { "grep", cmd_grep, USE_PAGER },
{ "hash-object", cmd_hash_object },
{ "help", cmd_help },
{ "index-pack", cmd_index_pack },
diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh
index 7144f81..bf4d4dc 100755
--- a/t/t7002-grep.sh
+++ b/t/t7002-grep.sh
@@ -434,4 +434,56 @@ test_expect_success 'grep -Fi' '
test_cmp expected actual
'
+test_expect_success 'outside of git repository' '
+ rm -fr non &&
+ mkdir -p non/git/sub &&
+ echo hello >non/git/file1 &&
+ echo world >non/git/sub/file2 &&
+ echo ".*o*" >non/git/.gitignore &&
+ {
+ echo file1:hello &&
+ echo sub/file2:world
+ } >non/expect.full &&
+ echo file2:world >non/expect.sub
+ (
+ GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
+ export GIT_CEILING_DIRECTORIES &&
+ cd non/git &&
+ test_must_fail git grep o &&
+ git grep --no-index o >../actual.full &&
+ test_cmp ../expect.full ../actual.full
+ cd sub &&
+ test_must_fail git grep o &&
+ git grep --no-index o >../../actual.sub &&
+ test_cmp ../../expect.sub ../../actual.sub
+ )
+'
+
+test_expect_success 'inside git repository but with --no-index' '
+ rm -fr is &&
+ mkdir -p is/git/sub &&
+ echo hello >is/git/file1 &&
+ echo world >is/git/sub/file2 &&
+ echo ".*o*" >is/git/.gitignore &&
+ {
+ echo file1:hello &&
+ echo sub/file2:world
+ } >is/expect.full &&
+ : >is/expect.empty &&
+ echo file2:world >is/expect.sub
+ (
+ cd is/git &&
+ git init &&
+ test_must_fail git grep o >../actual.full &&
+ test_cmp ../expect.empty ../actual.full &&
+ git grep --no-index o >../actual.full &&
+ test_cmp ../expect.full ../actual.full &&
+ cd sub &&
+ test_must_fail git grep o >../../actual.sub &&
+ test_cmp ../../expect.empty ../../actual.sub &&
+ git grep --no-index o >../../actual.sub &&
+ test_cmp ../../expect.sub ../../actual.sub
+ )
+'
+
test_done