#include "grep.h"
#include "quote.h"
#include "dir.h"
+#include "pathspec.h"
static char const * const grep_usage[] = {
- N_("git grep [
options] [-e] <pattern> [<rev>...] [[--] <path>...]"),
+ N_("git grep [
<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"),
NULL
};
-static int use_threads = 1;
+#define GREP_NUM_THREADS_DEFAULT 8
+static int num_threads;
#ifndef NO_PTHREADS
-#define THREADS 8
-static pthread_t threads[THREADS];
+static pthread_t *threads;
/* We use one producer thread and THREADS consumer
* threads. The producer adds struct work_items to 'todo' and the
static inline void grep_lock(void)
{
- if (use_threads)
+ if (num_threads)
pthread_mutex_lock(&grep_mutex);
}
static inline void grep_unlock(void)
{
- if (use_threads)
+ if (num_threads)
pthread_mutex_unlock(&grep_mutex);
}
strbuf_init(&todo[i].out, 0);
}
- for (i = 0; i < ARRAY_SIZE(threads); i++) {
+ threads = xcalloc(num_threads, sizeof(*threads));
+ for (i = 0; i < num_threads; i++) {
int err;
struct grep_opt *o = grep_opt_dup(opt);
o->output = strbuf_out;
pthread_cond_broadcast(&cond_add);
grep_unlock();
- for (i = 0; i < ARRAY_SIZE(threads); i++) {
+ for (i = 0; i < num_threads; i++) {
void *h;
pthread_join(threads[i], &h);
hit |= (int) (intptr_t) h;
}
+ free(threads);
+
pthread_mutex_destroy(&grep_mutex);
pthread_mutex_destroy(&grep_read_mutex);
pthread_mutex_destroy(&grep_attr_mutex);
int st = grep_config(var, value, cb);
if (git_color_default_config(var, value, cb) < 0)
st = -1;
+
+ if (!strcmp(var, "grep.threads")) {
+ num_threads = git_config_int(var, value);
+ if (num_threads < 0)
+ die(_("invalid number of threads specified (%d) for %s"),
+ num_threads, var);
+ }
+
return st;
}
struct strbuf pathbuf = STRBUF_INIT;
if (opt->relative && opt->prefix_length) {
- quote_path_relative(filename + tree_name_len, -1, &pathbuf,
- opt->prefix);
+ quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf);
strbuf_insert(&pathbuf, 0, filename, tree_name_len);
} else {
strbuf_addstr(&pathbuf, filename);
}
#ifndef NO_PTHREADS
- if (use_threads) {
+ if (num_threads) {
add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1);
strbuf_release(&pathbuf);
return 0;
struct strbuf buf = STRBUF_INIT;
if (opt->relative && opt->prefix_length)
- quote_path_relative(filename, -1, &buf, opt->prefix);
+ quote_path_relative(filename, opt->prefix, &buf);
else
strbuf_addstr(&buf, filename);
#ifndef NO_PTHREADS
- if (use_threads) {
+ if (num_threads) {
add_work(opt, GREP_SOURCE_FILE, buf.buf, filename, filename);
strbuf_release(&buf);
return 0;
static void run_pager(struct grep_opt *opt, const char *prefix)
{
struct string_list *path_list = opt->output_priv;
- const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1));
+ struct child_process child = CHILD_PROCESS_INIT;
int i, status;
for (i = 0; i < path_list->nr; i++)
- argv[i] = path_list->items[i].string;
- argv[path_list->nr] = NULL;
+ argv_array_push(&child.args, path_list->items[i].string);
+ child.dir = prefix;
+ child.use_shell = 1;
- if (prefix && chdir(prefix))
- die(_("Failed to chdir: %s"), prefix);
- status = run_command_v_opt(argv, RUN_USING_SHELL);
+ status = run_command(&child);
if (status)
exit(status);
- free(argv);
}
static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached)
read_cache();
for (nr = 0; nr < active_nr; nr++) {
- struct cache_entry *ce = active_cache[nr];
- if (!S_ISREG(ce->ce_mode))
+ const struct cache_entry *ce = active_cache[nr];
+ if (!S_ISREG(ce->ce_mode) || ce_intent_to_add(ce))
continue;
- if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL))
+ if (!ce_path_match(ce, pathspec, NULL))
continue;
/*
* If CE_VALID is on, we assume worktree file and its cache entry
}
static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
- struct object *obj, const char *name)
+ struct object *obj, const char *name, const char *path)
{
if (obj->type == OBJ_BLOB)
- return grep_sha1(opt, obj->sha1, name, 0, NULL);
+ return grep_sha1(opt, obj->oid.hash, name, 0, path);
if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) {
struct tree_desc tree;
void *data;
int hit, len;
grep_read_lock();
- data = read_object_with_reference(obj->sha1, tree_type,
+ data = read_object_with_reference(obj->oid.hash, tree_type,
&size, NULL);
grep_read_unlock();
if (!data)
- die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1));
+ die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid));
len = name ? strlen(name) : 0;
strbuf_init(&base, PATH_MAX + len + 1);
for (i = 0; i < nr; i++) {
struct object *real_obj;
real_obj = deref_tag(list->objects[i].item, NULL, 0);
- if (grep_object(opt, pathspec, real_obj, list->objects[i].name)) {
+ if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].path)) {
hit = 1;
if (opt->status_only)
break;
if (exc_std)
setup_standard_excludes(&dir);
- fill_directory(&dir, pathspec->raw);
+ fill_directory(&dir, pathspec);
for (i = 0; i < dir.nr; i++) {
- const char *name = dir.entries[i]->name;
- int namelen = strlen(name);
- if (!match_pathspec_depth(pathspec, name, namelen, 0, NULL))
+ if (!dir_path_match(dir.entries[i], pathspec, 0, NULL))
continue;
hit |= grep_file(opt, dir.entries[i]->name);
if (hit && opt->status_only)
patterns = from_stdin ? stdin : fopen(arg, "r");
if (!patterns)
die_errno(_("cannot open '%s'"), arg);
- while (strbuf_getline(&sb, patterns, '\n') == 0) {
+ while (strbuf_getline(&sb, patterns) == 0) {
/* ignore empty line like grep does */
if (sb.len == 0)
continue;
return 0;
}
-static int help_callback(const struct option *opt, const char *arg, int unset)
-{
- return -1;
-}
-
int cmd_grep(int argc, const char **argv, const char *prefix)
{
int hit = 0;
const char *show_in_pager = NULL, *default_pager = "dummy";
struct grep_opt opt;
struct object_array list = OBJECT_ARRAY_INIT;
- const char **paths = NULL;
struct pathspec pathspec;
struct string_list path_list = STRING_LIST_INIT_NODUP;
int i;
int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;
struct option options[] = {
- OPT_BOOLEAN(0, "cached", &cached,
+ OPT_BOOL(0, "cached", &cached,
N_("search in index instead of in the work tree")),
OPT_NEGBIT(0, "no-index", &use_index,
N_("find in contents not managed by git"), 1),
- OPT_BOOLEAN(0, "untracked", &untracked,
+ OPT_BOOL(0, "untracked", &untracked,
N_("search in both tracked and untracked files")),
OPT_SET_INT(0, "exclude-standard", &opt_exclude,
- N_("search also in ignored files"), 1),
+ N_("ignore files specified via '.gitignore'"), 1),
OPT_GROUP(""),
- OPT_BOOLEAN('v', "invert-match", &opt.invert,
+ OPT_BOOL('v', "invert-match", &opt.invert,
N_("show non-matching lines")),
- OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
+ OPT_BOOL('i', "ignore-case", &opt.ignore_case,
N_("case insensitive matching")),
- OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
+ OPT_BOOL('w', "word-regexp", &opt.word_regexp,
N_("match patterns only at word boundaries")),
OPT_SET_INT('a', "text", &opt.binary,
N_("process binary files as text"), GREP_BINARY_TEXT),
OPT_SET_INT('I', NULL, &opt.binary,
N_("don't match patterns in binary files"),
GREP_BINARY_NOMATCH),
+ OPT_BOOL(0, "textconv", &opt.allow_textconv,
+ N_("process binary files with textconv filters")),
{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
NULL, 1 },
N_("use Perl-compatible regular expressions"),
GREP_PATTERN_TYPE_PCRE),
OPT_GROUP(""),
- OPT_BOOLEAN('n', "line-number", &opt.linenum, N_("show line numbers")),
+ OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")),
OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
OPT_NEGBIT(0, "full-name", &opt.relative,
N_("show filenames relative to top directory"), 1),
- OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
+ OPT_BOOL('l', "files-with-matches", &opt.name_only,
N_("show only filenames instead of matching lines")),
- OPT_BOOLEAN(0, "name-only", &opt.name_only,
+ OPT_BOOL(0, "name-only", &opt.name_only,
N_("synonym for --files-with-matches")),
- OPT_BOOLEAN('L', "files-without-match",
+ OPT_BOOL('L', "files-without-match",
&opt.unmatch_name_only,
N_("show only the names of files without match")),
- OPT_BOOLEAN('z', "null", &opt.null_following_name,
+ OPT_BOOL('z', "null", &opt.null_following_name,
N_("print NUL after filenames")),
- OPT_BOOLEAN('c', "count", &opt.count,
+ OPT_BOOL('c', "count", &opt.count,
N_("show the number of matches instead of matching lines")),
OPT__COLOR(&opt.color, N_("highlight matches")),
- OPT_BOOLEAN(0, "break", &opt.file_break,
+ OPT_BOOL(0, "break", &opt.file_break,
N_("print empty line between matches from different files")),
- OPT_BOOLEAN(0, "heading", &opt.heading,
+ OPT_BOOL(0, "heading", &opt.heading,
N_("show filename only once above matches from same file")),
OPT_GROUP(""),
OPT_CALLBACK('C', "context", &opt, N_("n"),
N_("show <n> context lines before matches")),
OPT_INTEGER('A', "after-context", &opt.post_context,
N_("show <n> context lines after matches")),
+ OPT_INTEGER(0, "threads", &num_threads,
+ N_("use <n> worker threads")),
OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
context_callback),
- OPT_BOOLEAN('p', "show-function", &opt.funcname,
+ OPT_BOOL('p', "show-function", &opt.funcname,
N_("show a line with the function name before matches")),
- OPT_BOOLEAN('W', "function-context", &opt.funcbody,
+ OPT_BOOL('W', "function-context", &opt.funcbody,
N_("show the surrounding function")),
OPT_GROUP(""),
OPT_CALLBACK('f', NULL, &opt, N_("file"),
{ OPTION_CALLBACK, 0, "and", &opt, NULL,
N_("combine patterns specified with -e"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
- OPT_BOOLEAN(0, "or", &dummy, ""),
+ OPT_BOOL(0, "or", &dummy, ""),
{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
close_callback },
OPT__QUIET(&opt.status_only,
N_("indicate hit with exit status without output")),
- OPT_BOOLEAN(0, "all-match", &opt.all_match,
+ OPT_BOOL(0, "all-match", &opt.all_match,
N_("show only matches from files that match all patterns")),
{ OPTION_SET_INT, 0, "debug", &opt.debug, NULL,
N_("show parse tree for grep expression"),
{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
N_("pager"), N_("show matching files in the pager"),
PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
- OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
- N_("allow calling of grep(1) (ignored by this build)")),
- { OPTION_CALLBACK, 0, "help-all", &options, NULL, N_("show usage"),
- PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
+ OPT_BOOL(0, "ext-grep", &external_grep_allowed__ignored,
+ N_("allow calling of grep(1) (ignored by this build)")),
OPT_END()
};
- /*
- * 'git grep -h', unlike 'git grep -h <pattern>', is a request
- * to show usage information and exit.
- */
- if (argc == 2 && !strcmp(argv[1], "-h"))
- usage_with_options(grep_usage, options);
-
init_grep_defaults();
git_config(grep_cmd_config, NULL);
grep_init(&opt, prefix);
*/
argc = parse_options(argc, argv, prefix, options, grep_usage,
PARSE_OPT_KEEP_DASHDASH |
- PARSE_OPT_STOP_AT_NON_OPTION |
- PARSE_OPT_NO_INTERNAL_HELP);
+ PARSE_OPT_STOP_AT_NON_OPTION);
grep_commit_pattern_type(pattern_type_arg, &opt);
- if (use_index && !startup_info->have_repository)
- /* die the same way as if we did it at the beginning */
- setup_git_directory();
+ if (use_index && !startup_info->have_repository) {
+ int fallback = 0;
+ git_config_get_bool("grep.fallbacktonoindex", &fallback);
+ if (fallback)
+ use_index = 0;
+ else
+ /* die the same way as if we did it at the beginning */
+ setup_git_directory();
+ }
/*
* skip a -- separator; we know it cannot be
opt.output_priv = &path_list;
opt.output = append_path;
string_list_append(&path_list, show_in_pager);
- use_threads = 0;
}
if (!opt.pattern_list)
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
unsigned char sha1[20];
+ struct object_context oc;
/* Is it a rev? */
- if (!get_sha1(arg, sha1)) {
+ if (!get_sha1_with_context(arg, 0, sha1, &oc)) {
struct object *object = parse_object_or_die(sha1, arg);
if (!seen_dashdash)
verify_non_filename(prefix, arg);
- add_object_array(object, arg, &list);
+ add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
continue;
}
if (!strcmp(arg, "--")) {
}
#ifndef NO_PTHREADS
- if (list.nr || cached || online_cpus() == 1)
- use_threads = 0;
+ if (list.nr || cached || show_in_pager)
+ num_threads = 0;
+ else if (num_threads == 0)
+ num_threads = GREP_NUM_THREADS_DEFAULT;
+ else if (num_threads < 0)
+ die(_("invalid number of threads specified (%d)"), num_threads);
#else
- use_threads = 0;
+ num_threads = 0;
#endif
#ifndef NO_PTHREADS
- if (use_threads) {
+ if (num_threads) {
if (!(opt.name_only || opt.unmatch_name_only || opt.count)
&& (opt.pre_context || opt.post_context ||
opt.file_break || opt.funcbody))
verify_filename(prefix, argv[j], j == i);
}
- paths = get_pathspec(prefix, argv + i);
- init_pathspec(&pathspec, paths);
+ parse_pathspec(&pathspec, 0,
+ PATHSPEC_PREFER_CWD |
+ (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0),
+ prefix, argv + i);
pathspec.max_depth = opt.max_depth;
pathspec.recursive = 1;
if (len > 4 && is_dir_sep(pager[len - 5]))
pager += len - 4;
+ if (opt.ignore_case && !strcmp("less", pager))
+ string_list_append(&path_list, "-I");
+
if (!strcmp("less", pager) || !strcmp("vi", pager)) {
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "+/%s%s",
}
}
- if (!show_in_pager)
+ if (!show_in_pager && !opt.status_only)
setup_pager();
if (!use_index && (untracked || cached))
hit = grep_objects(&opt, &pathspec, &list);
}
- if (use_threads)
+ if (num_threads)
hit |= wait_all();
if (hit && show_in_pager)
run_pager(&opt, prefix);