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diff --git a/builtin/grep.c b/builtin/grep.c
index 10a1f65310f28f2014bab3f3295205abf6dc59ad..9ce064ac1131e9a93383f568bb6f567791740b77 100644 (file)
--- a/builtin/grep.c
+++ b/builtin/grep.c
#include "grep.h"
#include "quote.h"
#include "dir.h"
-#include "thread-utils.h"
static char const * const grep_usage[] = {
"git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]",
/* This lock protects all the variables above. */
static pthread_mutex_t grep_mutex;
+static inline void grep_lock(void)
+{
+ if (use_threads)
+ pthread_mutex_lock(&grep_mutex);
+}
+
+static inline void grep_unlock(void)
+{
+ if (use_threads)
+ pthread_mutex_unlock(&grep_mutex);
+}
+
/* Used to serialize calls to read_sha1_file. */
static pthread_mutex_t read_sha1_mutex;
-#define grep_lock() pthread_mutex_lock(&grep_mutex)
-#define grep_unlock() pthread_mutex_unlock(&grep_mutex)
-#define read_sha1_lock() pthread_mutex_lock(&read_sha1_mutex)
-#define read_sha1_unlock() pthread_mutex_unlock(&read_sha1_mutex)
+static inline void read_sha1_lock(void)
+{
+ if (use_threads)
+ pthread_mutex_lock(&read_sha1_mutex);
+}
+
+static inline void read_sha1_unlock(void)
+{
+ if (use_threads)
+ pthread_mutex_unlock(&read_sha1_mutex);
+}
/* Signalled when a new work_item is added to todo. */
static pthread_cond_t cond_add;
/* Signalled when we are finished with everything. */
static pthread_cond_t cond_result;
-static int print_hunk_marks_between_files;
-static int printed_something;
+static int skip_first_line;
static void add_work(enum work_type type, char *name, void *id)
{
todo_done = (todo_done+1) % ARRAY_SIZE(todo)) {
w = &todo[todo_done];
if (w->out.len) {
- if (print_hunk_marks_between_files && printed_something)
- write_or_die(1, "--\n", 3);
- write_or_die(1, w->out.buf, w->out.len);
- printed_something = 1;
+ const char *p = w->out.buf;
+ size_t len = w->out.len;
+
+ /* Skip the leading hunk mark of the first file. */
+ if (skip_first_line) {
+ while (len) {
+ len--;
+ if (*p++ == '\n')
+ break;
+ }
+ skip_first_line = 0;
+ }
+
+ write_or_die(1, p, len);
}
free(w->name);
free(w->identifier);
pthread_mutex_init(&grep_mutex, NULL);
pthread_mutex_init(&read_sha1_mutex, NULL);
+ pthread_mutex_init(&grep_attr_mutex, NULL);
pthread_cond_init(&cond_add, NULL);
pthread_cond_init(&cond_write, NULL);
pthread_cond_init(&cond_result, NULL);
pthread_mutex_destroy(&grep_mutex);
pthread_mutex_destroy(&read_sha1_mutex);
+ pthread_mutex_destroy(&grep_attr_mutex);
pthread_cond_destroy(&cond_add);
pthread_cond_destroy(&cond_write);
pthread_cond_destroy(&cond_result);
}
if (!strcmp(var, "color.grep"))
- opt->color = git_config_colorbool(var, value, -1);
+ opt->color = git_config_colorbool(var, value);
else if (!strcmp(var, "color.grep.context"))
color = opt->color_context;
else if (!strcmp(var, "color.grep.filename"))
@@ -345,13 +374,9 @@ static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type
{
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);
- }
+ read_sha1_lock();
+ data = read_sha1_file(sha1, type, size);
+ read_sha1_unlock();
return data;
}
@@ -533,18 +558,19 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
struct tree_desc *tree, struct strbuf *base, int tn_len)
{
- int hit = 0, matched = 0;
+ int hit = 0;
+ enum interesting match = entry_not_interesting;
struct name_entry entry;
int old_baselen = base->len;
while (tree_entry(tree, &entry)) {
- int te_len = tree_entry_len(entry.path, entry.sha1);
+ int te_len = tree_entry_len(&entry);
- if (matched != 2) {
- matched = tree_entry_interesting(&entry, base, tn_len, pathspec);
- if (matched == -1)
- break; /* no more matches */
- if (!matched)
+ if (match != all_entries_interesting) {
+ match = tree_entry_interesting(&entry, base, tn_len, pathspec);
+ if (match == all_entries_not_interesting)
+ break;
+ if (match == entry_not_interesting)
continue;
}
struct strbuf base;
int hit, len;
+ read_sha1_lock();
data = read_object_with_reference(obj->sha1, tree_type,
&size, NULL);
+ read_sha1_unlock();
+
if (!data)
die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1));
@@ -628,13 +657,15 @@ static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec,
return hit;
}
-static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec)
+static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec,
+ int exc_std)
{
struct dir_struct dir;
int i, hit = 0;
memset(&dir, 0, sizeof(dir));
- setup_standard_excludes(&dir);
+ if (exc_std)
+ setup_standard_excludes(&dir);
fill_directory(&dir, pathspec->raw);
for (i = 0; i < dir.nr; i++) {
int cmd_grep(int argc, const char **argv, const char *prefix)
{
int hit = 0;
- int cached = 0;
+ int cached = 0, untracked = 0, opt_exclude = -1;
int seen_dashdash = 0;
int external_grep_allowed__ignored;
const char *show_in_pager = NULL, *default_pager = "dummy";
int i;
int dummy;
int use_index = 1;
+ enum {
+ pattern_type_unspecified = 0,
+ pattern_type_bre,
+ pattern_type_ere,
+ pattern_type_fixed,
+ pattern_type_pcre,
+ };
+ int pattern_type = pattern_type_unspecified;
+
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"),
+ { OPTION_BOOLEAN, 0, "index", &use_index, NULL,
+ "finds in contents not managed by git",
+ PARSE_OPT_NOARG | PARSE_OPT_NEGHELP },
+ OPT_BOOLEAN(0, "untracked", &untracked,
+ "search in both tracked and untracked files"),
+ OPT_SET_INT(0, "exclude-standard", &opt_exclude,
+ "search also in ignored files", 1),
OPT_GROUP(""),
OPT_BOOLEAN('v', "invert-match", &opt.invert,
"show non-matching lines"),
"descend at most <depth> levels", PARSE_OPT_NONEG,
NULL, 1 },
OPT_GROUP(""),
- OPT_BIT('E', "extended-regexp", &opt.regflags,
- "use extended POSIX regular expressions", REG_EXTENDED),
- OPT_NEGBIT('G', "basic-regexp", &opt.regflags,
- "use basic POSIX regular expressions (default)",
- REG_EXTENDED),
- OPT_BOOLEAN('F', "fixed-strings", &opt.fixed,
- "interpret patterns as fixed strings"),
+ OPT_SET_INT('E', "extended-regexp", &pattern_type,
+ "use extended POSIX regular expressions",
+ pattern_type_ere),
+ OPT_SET_INT('G', "basic-regexp", &pattern_type,
+ "use basic POSIX regular expressions (default)",
+ pattern_type_bre),
+ OPT_SET_INT('F', "fixed-strings", &pattern_type,
+ "interpret patterns as fixed strings",
+ pattern_type_fixed),
+ OPT_SET_INT('P', "perl-regexp", &pattern_type,
+ "use Perl-compatible regular expressions",
+ pattern_type_pcre),
OPT_GROUP(""),
OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"),
OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
OPT_BOOLEAN('c', "count", &opt.count,
"show the number of matches instead of matching lines"),
OPT__COLOR(&opt.color, "highlight matches"),
+ OPT_BOOLEAN(0, "break", &opt.file_break,
+ "print empty line between matches from different files"),
+ OPT_BOOLEAN(0, "heading", &opt.heading,
+ "show filename only once above matches from same file"),
OPT_GROUP(""),
- OPT_CALLBACK('C', NULL, &opt, "n",
+ OPT_CALLBACK('C', "context", &opt, "n",
"show <n> context lines before and after matches",
context_callback),
- OPT_INTEGER('B', NULL, &opt.pre_context,
+ OPT_INTEGER('B', "before-context", &opt.pre_context,
"show <n> context lines before matches"),
- OPT_INTEGER('A', NULL, &opt.post_context,
+ OPT_INTEGER('A', "after-context", &opt.post_context,
"show <n> context lines after matches"),
OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
context_callback),
OPT_BOOLEAN('p', "show-function", &opt.funcname,
"show a line with the function name before matches"),
+ OPT_BOOLEAN('W', "function-context", &opt.funcbody,
+ "show the surrounding function"),
OPT_GROUP(""),
OPT_CALLBACK('f', NULL, &opt, "file",
"read patterns from file", file_callback),
strcpy(opt.color_sep, GIT_COLOR_CYAN);
opt.color = -1;
git_config(grep_config, &opt);
- if (opt.color == -1)
- opt.color = git_use_color_default;
/*
* If there is no -- then the paths must exist in the working
PARSE_OPT_KEEP_DASHDASH |
PARSE_OPT_STOP_AT_NON_OPTION |
PARSE_OPT_NO_INTERNAL_HELP);
+ switch (pattern_type) {
+ case pattern_type_fixed:
+ opt.fixed = 1;
+ opt.pcre = 0;
+ break;
+ case pattern_type_bre:
+ opt.fixed = 0;
+ opt.pcre = 0;
+ opt.regflags &= ~REG_EXTENDED;
+ break;
+ case pattern_type_ere:
+ opt.fixed = 0;
+ opt.pcre = 0;
+ opt.regflags |= REG_EXTENDED;
+ break;
+ case pattern_type_pcre:
+ opt.fixed = 0;
+ opt.pcre = 1;
+ break;
+ default:
+ break; /* nothing */
+ }
if (use_index && !startup_info->have_repository)
/* die the same way as if we did it at the beginning */
die(_("no pattern given."));
if (!opt.fixed && opt.ignore_case)
opt.regflags |= REG_ICASE;
- if ((opt.regflags != REG_NEWLINE) && opt.fixed)
- die(_("cannot mix --fixed-strings and regexp"));
-
-#ifndef NO_PTHREADS
- if (online_cpus() == 1 || !grep_threads_ok(&opt))
- use_threads = 0;
-
- if (use_threads) {
- if (opt.pre_context || opt.post_context)
- print_hunk_marks_between_files = 1;
- start_threads(&opt);
- }
-#else
- use_threads = 0;
-#endif
compile_grep_patterns(&opt);
break;
}
+#ifndef NO_PTHREADS
+ if (list.nr || cached || online_cpus() == 1)
+ use_threads = 0;
+#else
+ use_threads = 0;
+#endif
+
+ opt.use_threads = use_threads;
+
+#ifndef NO_PTHREADS
+ if (use_threads) {
+ if (opt.pre_context || opt.post_context || opt.file_break ||
+ opt.funcbody)
+ skip_first_line = 1;
+ start_threads(&opt);
+ }
+#endif
+
/* The rest are paths */
if (!seen_dashdash) {
int j;
verify_filename(prefix, argv[j]);
}
- if (i < argc)
- paths = get_pathspec(prefix, argv + i);
- else if (prefix) {
- paths = xcalloc(2, sizeof(const char *));
- paths[0] = prefix;
- paths[1] = NULL;
- }
+ paths = get_pathspec(prefix, argv + i);
init_pathspec(&pathspec, paths);
pathspec.max_depth = opt.max_depth;
pathspec.recursive = 1;
if (!show_in_pager)
setup_pager();
+ if (!use_index && (untracked || cached))
+ die(_("--cached or --untracked cannot be used with --no-index."));
- if (!use_index) {
- if (cached)
- die(_("--cached cannot be used with --no-index."));
+ if (!use_index || untracked) {
+ int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
if (list.nr)
- die(_("--no-index cannot be used with revs."));
- hit = grep_directory(&opt, &pathspec);
+ die(_("--no-index or --untracked cannot be used with revs."));
+ hit = grep_directory(&opt, &pathspec, use_exclude);
+ } else if (0 <= opt_exclude) {
+ die(_("--[no-]exclude-standard cannot be used for tracked contents."));
} else if (!list.nr) {
if (!cached)
setup_work_tree();