summaryrefslogtreecommitdiff
path: root/builtin-grep.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin-grep.c')
-rw-r--r--builtin-grep.c78
1 files changed, 68 insertions, 10 deletions
diff --git a/builtin-grep.c b/builtin-grep.c
index 26d4deb1cc..40b9a93127 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"
@@ -408,15 +409,25 @@ static int pathspec_matches(const char **paths, const char *name, int max_depth)
return 0;
}
+static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
+{
+ void *data;
+
+ if (use_threads) {
+ read_sha1_lock();
+ data = read_sha1_file(sha1, type, size);
+ read_sha1_unlock();
+ } else {
+ data = read_sha1_file(sha1, type, size);
+ }
+ return data;
+}
+
static void *load_sha1(const unsigned char *sha1, unsigned long *size,
const char *name)
{
enum object_type type;
- char *data;
-
- read_sha1_lock();
- data = read_sha1_file(sha1, &type, size);
- read_sha1_unlock();
+ void *data = lock_and_read_sha1_file(sha1, &type, size);
if (!data)
error("'%s': unable to read %s", name, sha1_to_hex(sha1));
@@ -605,10 +616,7 @@ static int grep_tree(struct grep_opt *opt, const char **paths,
void *data;
unsigned long size;
- read_sha1_lock();
- data = read_sha1_file(entry.sha1, &type, &size);
- read_sha1_unlock();
-
+ data = lock_and_read_sha1_file(entry.sha1, &type, &size);
if (!data)
die("unable to read tree (%s)",
sha1_to_hex(entry.sha1));
@@ -645,6 +653,24 @@ 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 +765,12 @@ 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"),
@@ -782,7 +811,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
"print NUL after filenames"),
OPT_BOOLEAN('c', "count", &opt.count,
"show the number of matches instead of matching lines"),
- OPT_SET_INT(0, "color", &opt.color, "highlight matches", 1),
+ OPT__COLOR(&opt.color, "highlight matches"),
OPT_GROUP(""),
OPT_CALLBACK('C', NULL, &opt, "n",
"show <n> context lines before and after matches",
@@ -824,6 +853,8 @@ 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.
@@ -837,6 +868,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
opt.relative = 1;
opt.pathname = 1;
opt.pattern_tail = &opt.pattern_list;
+ opt.header_tail = &opt.header_list;
opt.regflags = REG_NEWLINE;
opt.max_depth = -1;
@@ -861,6 +893,20 @@ 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();
+
+ /*
+ * skip a -- separator; we know it cannot be
+ * separating revisions from pathnames if
+ * we haven't even had any patterns yet
+ */
+ if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
+ argv++;
+ argc--;
+ }
+
/* First unrecognized non-option token */
if (argc > 0 && !opt.pattern_list) {
append_grep_pattern(&opt, argv[0], "command line", 0,
@@ -922,6 +968,18 @@ 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)