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-rw-r--r--builtin/grep.c154
1 files changed, 96 insertions, 58 deletions
diff --git a/builtin/grep.c b/builtin/grep.c
index 9304c33e75..f61a9d938b 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -4,6 +4,7 @@
* Copyright (c) 2006 Junio C Hamano
*/
#include "cache.h"
+#include "config.h"
#include "blob.h"
#include "tree.h"
#include "commit.h"
@@ -73,14 +74,14 @@ static pthread_mutex_t grep_mutex;
static inline void grep_lock(void)
{
- if (num_threads)
- pthread_mutex_lock(&grep_mutex);
+ assert(num_threads);
+ pthread_mutex_lock(&grep_mutex);
}
static inline void grep_unlock(void)
{
- if (num_threads)
- pthread_mutex_unlock(&grep_mutex);
+ assert(num_threads);
+ pthread_mutex_unlock(&grep_mutex);
}
/* Signalled when a new work_item is added to todo. */
@@ -224,7 +225,8 @@ static void start_threads(struct grep_opt *opt)
int err;
struct grep_opt *o = grep_opt_dup(opt);
o->output = strbuf_out;
- o->debug = 0;
+ if (i)
+ o->debug = 0;
compile_grep_patterns(o);
err = pthread_create(&threads[i], NULL, run, o);
@@ -289,31 +291,42 @@ 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) {
+ /*
+ * TRANSLATORS: %s is the configuration
+ * variable for tweaking threads, currently
+ * grep.threads
+ */
+ warning(_("no threads support, ignoring %s"), var);
+ num_threads = 0;
+ }
+#endif
}
+ if (!strcmp(var, "submodule.recurse"))
+ recurse_submodules = git_config_bool(var, value);
+
return st;
}
-static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
+static void *lock_and_read_oid_file(const struct object_id *oid, enum object_type *type, unsigned long *size)
{
void *data;
grep_read_lock();
- data = read_sha1_file(sha1, type, size);
+ data = read_sha1_file(oid->hash, type, size);
grep_read_unlock();
return data;
}
-static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
+static int grep_oid(struct grep_opt *opt, const struct object_id *oid,
const char *filename, int tree_name_len,
const char *path)
{
struct strbuf pathbuf = STRBUF_INIT;
- if (opt->relative && opt->prefix_length) {
- quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf);
- strbuf_insert(&pathbuf, 0, filename, tree_name_len);
- } else if (super_prefix) {
+ if (super_prefix) {
strbuf_add(&pathbuf, filename, tree_name_len);
strbuf_addstr(&pathbuf, super_prefix);
strbuf_addstr(&pathbuf, filename + tree_name_len);
@@ -321,9 +334,16 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
strbuf_addstr(&pathbuf, filename);
}
+ if (opt->relative && opt->prefix_length) {
+ char *name = strbuf_detach(&pathbuf, NULL);
+ quote_path_relative(name + tree_name_len, opt->prefix, &pathbuf);
+ strbuf_insert(&pathbuf, 0, name, tree_name_len);
+ free(name);
+ }
+
#ifndef NO_PTHREADS
if (num_threads) {
- add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1);
+ add_work(opt, GREP_SOURCE_OID, pathbuf.buf, path, oid);
strbuf_release(&pathbuf);
return 0;
} else
@@ -332,7 +352,7 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
struct grep_source gs;
int hit;
- grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1);
+ grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid);
strbuf_release(&pathbuf);
hit = grep_source(opt, &gs);
@@ -345,12 +365,14 @@ static int grep_file(struct grep_opt *opt, const char *filename)
{
struct strbuf buf = STRBUF_INIT;
+ if (super_prefix)
+ strbuf_addstr(&buf, super_prefix);
+ strbuf_addstr(&buf, filename);
+
if (opt->relative && opt->prefix_length) {
- quote_path_relative(filename, opt->prefix, &buf);
- } else {
- if (super_prefix)
- strbuf_addstr(&buf, super_prefix);
- strbuf_addstr(&buf, filename);
+ char *name = strbuf_detach(&buf, NULL);
+ quote_path_relative(name, opt->prefix, &buf);
+ free(name);
}
#ifndef NO_PTHREADS
@@ -399,13 +421,12 @@ static void run_pager(struct grep_opt *opt, const char *prefix)
}
static void compile_submodule_options(const struct grep_opt *opt,
- const struct pathspec *pathspec,
+ const char **argv,
int cached, int untracked,
int opt_exclude, int use_index,
int pattern_type_arg)
{
struct grep_pat *pattern;
- int i;
if (recurse_submodules)
argv_array_push(&submodule_options, "--recurse-submodules");
@@ -490,6 +511,8 @@ static void compile_submodule_options(const struct grep_opt *opt,
break;
case GREP_PATTERN_TYPE_UNSPECIFIED:
break;
+ default:
+ die("BUG: Added a new grep pattern type without updating switch statement");
}
for (pattern = opt->pattern_list; pattern != NULL;
@@ -523,9 +546,8 @@ static void compile_submodule_options(const struct grep_opt *opt,
/* Add Pathspecs */
argv_array_push(&submodule_options, "--");
- for (i = 0; i < pathspec->nr; i++)
- argv_array_push(&submodule_options,
- pathspec->items[i].original);
+ for (; *argv; argv++)
+ argv_array_push(&submodule_options, *argv);
}
/*
@@ -538,7 +560,7 @@ static int grep_submodule_launch(struct grep_opt *opt,
int status, i;
const char *end_of_base;
const char *name;
- struct work_item *w = opt->output_priv;
+ struct strbuf child_output = STRBUF_INIT;
end_of_base = strchr(gs->name, ':');
if (gs->identifier && end_of_base)
@@ -549,6 +571,11 @@ static int grep_submodule_launch(struct grep_opt *opt,
prepare_submodule_repo_env(&cp.env_array);
argv_array_push(&cp.env_array, GIT_DIR_ENVIRONMENT);
+ if (opt->relative && opt->prefix_length)
+ argv_array_pushf(&cp.env_array, "%s=%s",
+ GIT_TOPLEVEL_PREFIX_ENVIRONMENT,
+ opt->prefix);
+
/* Add super prefix */
argv_array_pushf(&cp.args, "--super-prefix=%s%s/",
super_prefix ? super_prefix : "",
@@ -561,7 +588,7 @@ static int grep_submodule_launch(struct grep_opt *opt,
* with the object's name: 'tree-name:filename'. In order to
* provide uniformity of output we want to pass the name of the
* parent project's object name to the submodule so the submodule can
- * prefix its output with the parent's name and not its own SHA1.
+ * prefix its output with the parent's name and not its own OID.
*/
if (gs->identifier && end_of_base)
argv_array_pushf(&cp.args, "--parent-basename=%.*s",
@@ -574,12 +601,12 @@ static int grep_submodule_launch(struct grep_opt *opt,
* If there is a tree identifier for the submodule, add the
* rev after adding the submodule options but before the
* pathspecs. To do this we listen for the '--' and insert the
- * sha1 before pushing the '--' onto the child process argv
+ * oid before pushing the '--' onto the child process argv
* array.
*/
if (gs->identifier &&
!strcmp("--", submodule_options.argv[i])) {
- argv_array_push(&cp.args, sha1_to_hex(gs->identifier));
+ argv_array_push(&cp.args, oid_to_hex(gs->identifier));
}
argv_array_push(&cp.args, submodule_options.argv[i]);
@@ -593,35 +620,37 @@ static int grep_submodule_launch(struct grep_opt *opt,
* child process. A '0' indicates a hit, a '1' indicates no hit and
* anything else is an error.
*/
- status = capture_command(&cp, &w->out, 0);
+ status = capture_command(&cp, &child_output, 0);
if (status && (status != 1)) {
/* flush the buffer */
- write_or_die(1, w->out.buf, w->out.len);
+ write_or_die(1, child_output.buf, child_output.len);
die("process for submodule '%s' failed with exit code: %d",
gs->name, status);
}
+ opt->output(opt, child_output.buf, child_output.len);
+ strbuf_release(&child_output);
/* invert the return code to make a hit equal to 1 */
return !status;
}
/*
* Prep grep structures for a submodule grep
- * sha1: the sha1 of the submodule or NULL if using the working tree
+ * oid: the oid of the submodule or NULL if using the working tree
* filename: name of the submodule including tree name of parent
* path: location of the submodule
*/
-static int grep_submodule(struct grep_opt *opt, const unsigned char *sha1,
+static int grep_submodule(struct grep_opt *opt, const struct object_id *oid,
const char *filename, const char *path)
{
if (!is_submodule_initialized(path))
return 0;
- if (!is_submodule_populated(path)) {
+ if (!is_submodule_populated_gently(path, NULL)) {
/*
* If searching history, check for the presense of the
* submodule's gitdir before skipping the submodule.
*/
- if (sha1) {
+ if (oid) {
const struct submodule *sub =
submodule_from_path(null_sha1, path);
if (sub)
@@ -636,24 +665,19 @@ static int grep_submodule(struct grep_opt *opt, const unsigned char *sha1,
#ifndef NO_PTHREADS
if (num_threads) {
- add_work(opt, GREP_SOURCE_SUBMODULE, filename, path, sha1);
+ add_work(opt, GREP_SOURCE_SUBMODULE, filename, path, oid);
return 0;
} else
#endif
{
- struct work_item w;
+ struct grep_source gs;
int hit;
- grep_source_init(&w.source, GREP_SOURCE_SUBMODULE,
- filename, path, sha1);
- strbuf_init(&w.out, 0);
- opt->output_priv = &w;
- hit = grep_submodule_launch(opt, &w.source);
-
- write_or_die(1, w.out.buf, w.out.len);
+ grep_source_init(&gs, GREP_SOURCE_SUBMODULE,
+ filename, path, oid);
+ hit = grep_submodule_launch(opt, &gs);
- grep_source_clear(&w.source);
- strbuf_release(&w.out);
+ grep_source_clear(&gs);
return hit;
}
}
@@ -690,7 +714,7 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec,
ce_skip_worktree(ce)) {
if (ce_stage(ce) || ce_intent_to_add(ce))
continue;
- hit |= grep_sha1(opt, ce->oid.hash, ce->name,
+ hit |= grep_oid(opt, &ce->oid, ce->name,
0, ce->name);
} else {
hit |= grep_file(opt, ce->name);
@@ -750,7 +774,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
strbuf_add(base, entry.path, te_len);
if (S_ISREG(entry.mode)) {
- hit |= grep_sha1(opt, entry.oid->hash, 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;
@@ -758,7 +782,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
void *data;
unsigned long size;
- data = lock_and_read_sha1_file(entry.oid->hash, &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));
@@ -769,7 +793,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
check_attr);
free(data);
} else if (recurse_submodules && S_ISGITLINK(entry.mode)) {
- hit |= grep_submodule(opt, entry.oid->hash, base->buf,
+ hit |= grep_submodule(opt, entry.oid, base->buf,
base->buf + tn_len);
}
@@ -787,7 +811,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
struct object *obj, const char *name, const char *path)
{
if (obj->type == OBJ_BLOB)
- return grep_sha1(opt, obj->oid.hash, name, 0, path);
+ return grep_oid(opt, &obj->oid, name, 0, path);
if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) {
struct tree_desc tree;
void *data;
@@ -860,7 +884,7 @@ static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec,
if (exc_std)
setup_standard_excludes(&dir);
- fill_directory(&dir, pathspec);
+ fill_directory(&dir, &the_index, pathspec);
for (i = 0; i < dir.nr; i++) {
if (!dir_path_match(dir.entries[i], pathspec, 0, NULL))
continue;
@@ -979,7 +1003,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_SET_INT(0, "exclude-standard", &opt_exclude,
N_("ignore files specified via '.gitignore'"), 1),
OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
- N_("recursivley search in each submodule")),
+ N_("recursively search in each submodule")),
OPT_STRING(0, "parent-basename", &parent_basename,
N_("basename"),
N_("prepend parent project's basename to output")),
@@ -1148,8 +1172,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (!opt.fixed && opt.ignore_case)
opt.regflags |= REG_ICASE;
- compile_grep_patterns(&opt);
-
/*
* We have to find "--" in a separate pass, because its presence
* influences how we will parse arguments that come before it.
@@ -1169,7 +1191,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
allow_revs = use_index && !untracked;
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
- unsigned char sha1[20];
+ struct object_id oid;
struct object_context oc;
struct object *object;
@@ -1184,16 +1206,18 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
break;
}
- if (get_sha1_with_context(arg, 0, sha1, &oc)) {
+ if (get_sha1_with_context(arg, GET_SHA1_RECORD_PATH,
+ oid.hash, &oc)) {
if (seen_dashdash)
die(_("unable to resolve revision: %s"), arg);
break;
}
- object = parse_object_or_die(sha1, arg);
+ object = parse_object_or_die(&oid, arg);
if (!seen_dashdash)
verify_non_filename(prefix, arg);
add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
+ free(oc.path);
}
/*
@@ -1220,10 +1244,23 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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)
+ warning(_("no threads support, ignoring --threads"));
num_threads = 0;
#endif
+ if (!num_threads)
+ /*
+ * The compiled patterns on the main path are only
+ * used when not using threading. Otherwise
+ * start_threads() below 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)
@@ -1236,7 +1273,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (recurse_submodules) {
gitmodules_config();
- compile_submodule_options(&opt, &pathspec, cached, untracked,
+ compile_submodule_options(&opt, argv + i, cached, untracked,
opt_exclude, use_index,
pattern_type_arg);
}
@@ -1293,6 +1330,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
hit |= wait_all();
if (hit && show_in_pager)
run_pager(&opt, prefix);
+ clear_pathspec(&pathspec);
free_grep_patterns(&opt);
return !hit;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 20:31:53 +0000