*
* Copyright (c) 2006 Junio C Hamano
*/
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
#include "repository.h"
#include "config.h"
#define GREP_NUM_THREADS_DEFAULT 8
static int num_threads;
-#ifndef NO_PTHREADS
static pthread_t *threads;
/* We use one producer thread and THREADS consumer
static inline void grep_lock(void)
{
- assert(num_threads);
pthread_mutex_lock(&grep_mutex);
}
static inline void grep_unlock(void)
{
- assert(num_threads);
pthread_mutex_unlock(&grep_mutex);
}
int hit = 0;
int i;
+ if (!HAVE_THREADS)
+ BUG("Never call this function unless you have started threads");
+
grep_lock();
all_work_added = 1;
return hit;
}
-#else /* !NO_PTHREADS */
-
-static int wait_all(void)
-{
- return 0;
-}
-#endif
static int grep_cmd_config(const char *var, const char *value, void *cb)
{
if (num_threads < 0)
die(_("invalid number of threads specified (%d) for %s"),
num_threads, var);
-#ifdef NO_PTHREADS
- else if (num_threads && num_threads != 1) {
+ else if (!HAVE_THREADS && num_threads > 1) {
/*
* TRANSLATORS: %s is the configuration
* variable for tweaking threads, currently
* grep.threads
*/
warning(_("no threads support, ignoring %s"), var);
- num_threads = 0;
+ num_threads = 1;
}
-#endif
}
if (!strcmp(var, "submodule.recurse"))
grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid);
strbuf_release(&pathbuf);
-#ifndef NO_PTHREADS
- if (num_threads) {
+ if (num_threads > 1) {
/*
* add_work() copies gs and thus assumes ownership of
* its fields, so do not call grep_source_clear()
*/
add_work(opt, &gs);
return 0;
- } else
-#endif
- {
+ } else {
int hit;
hit = grep_source(opt, &gs);
grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename);
strbuf_release(&buf);
-#ifndef NO_PTHREADS
- if (num_threads) {
+ if (num_threads > 1) {
/*
* add_work() copies gs and thus assumes ownership of
* its fields, so do not call grep_source_clear()
*/
add_work(opt, &gs);
return 0;
- } else
-#endif
- {
+ } else {
int hit;
hit = grep_source(opt, &gs);
exit(status);
}
-static int grep_cache(struct grep_opt *opt, struct repository *repo,
+static int grep_cache(struct grep_opt *opt,
const struct pathspec *pathspec, int cached);
static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
struct tree_desc *tree, struct strbuf *base, int tn_len,
- int check_attr, struct repository *repo);
+ int check_attr);
-static int grep_submodule(struct grep_opt *opt, struct repository *superproject,
+static int grep_submodule(struct grep_opt *opt,
const struct pathspec *pathspec,
const struct object_id *oid,
const char *filename, const char *path)
{
- struct repository submodule;
+ struct repository subrepo;
+ struct repository *superproject = opt->repo;
+ const struct submodule *sub = submodule_from_path(superproject,
+ &null_oid, path);
+ struct grep_opt subopt;
int hit;
- if (!is_submodule_active(superproject, path))
+ /*
+ * NEEDSWORK: submodules functions need to be protected because they
+ * access the object store via config_from_gitmodules(): the latter
+ * uses get_oid() which, for now, relies on the global the_repository
+ * object.
+ */
+ grep_read_lock();
+
+ if (!is_submodule_active(superproject, path)) {
+ grep_read_unlock();
return 0;
+ }
- if (repo_submodule_init(&submodule, superproject, path))
+ if (repo_submodule_init(&subrepo, superproject, sub)) {
+ grep_read_unlock();
return 0;
+ }
- repo_read_gitmodules(&submodule);
+ repo_read_gitmodules(&subrepo);
/*
* NEEDSWORK: This adds the submodule's object directory to the list of
* store is no longer global and instead is a member of the repository
* object.
*/
- grep_read_lock();
- add_to_alternates_memory(submodule.objects->objectdir);
+ add_to_alternates_memory(subrepo.objects->odb->path);
grep_read_unlock();
+ memcpy(&subopt, opt, sizeof(subopt));
+ subopt.repo = &subrepo;
+
if (oid) {
struct object *object;
struct tree_desc tree;
strbuf_addch(&base, '/');
init_tree_desc(&tree, data, size);
- hit = grep_tree(opt, pathspec, &tree, &base, base.len,
- object->type == OBJ_COMMIT, &submodule);
+ hit = grep_tree(&subopt, pathspec, &tree, &base, base.len,
+ object->type == OBJ_COMMIT);
strbuf_release(&base);
free(data);
} else {
- hit = grep_cache(opt, &submodule, pathspec, 1);
+ hit = grep_cache(&subopt, pathspec, 1);
}
- repo_clear(&submodule);
+ repo_clear(&subrepo);
return hit;
}
-static int grep_cache(struct grep_opt *opt, struct repository *repo,
+static int grep_cache(struct grep_opt *opt,
const struct pathspec *pathspec, int cached)
{
+ struct repository *repo = opt->repo;
int hit = 0;
int nr;
struct strbuf name = STRBUF_INIT;
}
} else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
submodule_path_match(repo->index, pathspec, name.buf, NULL)) {
- hit |= grep_submodule(opt, repo, pathspec, NULL, ce->name, ce->name);
+ hit |= grep_submodule(opt, pathspec, NULL, ce->name, ce->name);
} else {
continue;
}
static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
struct tree_desc *tree, struct strbuf *base, int tn_len,
- int check_attr, struct repository *repo)
+ int check_attr)
{
+ struct repository *repo = opt->repo;
int hit = 0;
enum interesting match = entry_not_interesting;
struct name_entry entry;
if (match != all_entries_interesting) {
strbuf_addstr(&name, base->buf + tn_len);
- match = tree_entry_interesting(&entry, &name,
+ match = tree_entry_interesting(repo->index,
+ &entry, &name,
0, pathspec);
strbuf_setlen(&name, name_base_len);
strbuf_add(base, entry.path, te_len);
if (S_ISREG(entry.mode)) {
- hit |= grep_oid(opt, entry.oid, base->buf, tn_len,
+ hit |= grep_oid(opt, &entry.oid, base->buf, tn_len,
check_attr ? base->buf + tn_len : NULL);
} else if (S_ISDIR(entry.mode)) {
enum object_type type;
void *data;
unsigned long size;
- data = lock_and_read_oid_file(entry.oid, &type, &size);
+ data = lock_and_read_oid_file(&entry.oid, &type, &size);
if (!data)
die(_("unable to read tree (%s)"),
- oid_to_hex(entry.oid));
+ oid_to_hex(&entry.oid));
strbuf_addch(base, '/');
init_tree_desc(&sub, data, size);
hit |= grep_tree(opt, pathspec, &sub, base, tn_len,
- check_attr, repo);
+ check_attr);
free(data);
} else if (recurse_submodules && S_ISGITLINK(entry.mode)) {
- hit |= grep_submodule(opt, repo, pathspec, entry.oid,
+ hit |= grep_submodule(opt, pathspec, &entry.oid,
base->buf, base->buf + tn_len);
}
}
init_tree_desc(&tree, data, size);
hit = grep_tree(opt, pathspec, &tree, &base, base.len,
- obj->type == OBJ_COMMIT, the_repository);
+ obj->type == OBJ_COMMIT);
strbuf_release(&base);
free(data);
return hit;
for (i = 0; i < nr; i++) {
struct object *real_obj;
- real_obj = deref_tag(the_repository, list->objects[i].item,
+ real_obj = deref_tag(opt->repo, list->objects[i].item,
NULL, 0);
/* load the gitmodules file for this rev */
if (recurse_submodules) {
- submodule_free(the_repository);
+ submodule_free(opt->repo);
gitmodules_config_oid(&real_obj->oid);
}
if (grep_object(opt, pathspec, real_obj, list->objects[i].name,
if (exc_std)
setup_standard_excludes(&dir);
- fill_directory(&dir, &the_index, pathspec);
+ fill_directory(&dir, opt->repo->index, pathspec);
for (i = 0; i < dir.nr; i++) {
- if (!dir_path_match(&the_index, dir.entries[i], pathspec, 0, NULL))
+ if (!dir_path_match(opt->repo->index, dir.entries[i], pathspec, 0, NULL))
continue;
hit |= grep_file(opt, dir.entries[i]->name);
if (hit && opt->status_only)
static int file_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
- int from_stdin = !strcmp(arg, "-");
+ int from_stdin;
FILE *patterns;
int lno = 0;
struct strbuf sb = STRBUF_INIT;
+ BUG_ON_OPT_NEG(unset);
+
+ from_stdin = !strcmp(arg, "-");
patterns = from_stdin ? stdin : fopen(arg, "r");
if (!patterns)
die_errno(_("cannot open '%s'"), arg);
static int not_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT);
return 0;
}
static int and_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND);
return 0;
}
static int open_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN);
return 0;
}
static int close_callback(const struct option *opt, const char *arg, int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN);
return 0;
}
int unset)
{
struct grep_opt *grep_opt = opt->value;
+ BUG_ON_OPT_NEG(unset);
append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN);
return 0;
}
GREP_BINARY_NOMATCH),
OPT_BOOL(0, "textconv", &opt.allow_textconv,
N_("process binary files with textconv filters")),
+ OPT_SET_INT('r', "recursive", &opt.max_depth,
+ N_("search in subdirectories (default)"), -1),
{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
NULL, 1 },
break;
}
- if (get_oid_with_context(arg, GET_OID_RECORD_PATH,
+ if (get_oid_with_context(the_repository, arg,
+ GET_OID_RECORD_PATH,
&oid, &oc)) {
if (seen_dashdash)
die(_("unable to resolve revision: %s"), arg);
pathspec.recursive = 1;
pathspec.recurse_submodules = !!recurse_submodules;
-#ifndef NO_PTHREADS
- 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);
- if (num_threads == 1)
- num_threads = 0;
-#else
- if (num_threads)
+ if (list.nr || cached || show_in_pager) {
+ if (num_threads > 1)
+ warning(_("invalid option combination, ignoring --threads"));
+ num_threads = 1;
+ } else if (!HAVE_THREADS && num_threads > 1) {
warning(_("no threads support, ignoring --threads"));
- num_threads = 0;
-#endif
+ num_threads = 1;
+ } else if (num_threads < 0)
+ die(_("invalid number of threads specified (%d)"), num_threads);
+ else if (num_threads == 0)
+ num_threads = HAVE_THREADS ? GREP_NUM_THREADS_DEFAULT : 1;
- if (!num_threads)
+ if (num_threads > 1) {
+ if (!HAVE_THREADS)
+ BUG("Somebody got num_threads calculation wrong!");
+ if (!(opt.name_only || opt.unmatch_name_only || opt.count)
+ && (opt.pre_context || opt.post_context ||
+ opt.file_break || opt.funcbody))
+ skip_first_line = 1;
+ start_threads(&opt);
+ } else {
/*
* The compiled patterns on the main path are only
* used when not using threading. Otherwise
- * start_threads() below calls compile_grep_patterns()
+ * start_threads() above calls compile_grep_patterns()
* for each thread.
*/
compile_grep_patterns(&opt);
-
-#ifndef NO_PTHREADS
- if (num_threads) {
- if (!(opt.name_only || opt.unmatch_name_only || opt.count)
- && (opt.pre_context || opt.post_context ||
- opt.file_break || opt.funcbody))
- skip_first_line = 1;
- start_threads(&opt);
}
-#endif
if (show_in_pager && (cached || list.nr))
die(_("--open-files-in-pager only works on the worktree"));
if (!cached)
setup_work_tree();
- hit = grep_cache(&opt, the_repository, &pathspec, cached);
+ hit = grep_cache(&opt, &pathspec, cached);
} else {
if (cached)
die(_("both --cached and trees are given"));
hit = grep_objects(&opt, &pathspec, &list);
}
- if (num_threads)
+ if (num_threads > 1)
hit |= wait_all();
if (hit && show_in_pager)
run_pager(&opt, prefix);