#include "dir.h"
static char const * const grep_usage[] = {
- "git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]",
+ N_("git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]"),
NULL
};
#define THREADS 8
static pthread_t threads[THREADS];
-static void *load_sha1(const unsigned char *sha1, unsigned long *size,
- const char *name);
-static void *load_file(const char *filename, size_t *sz);
-
-enum work_type {WORK_SHA1, WORK_FILE};
-
/* We use one producer thread and THREADS consumer
* threads. The producer adds struct work_items to 'todo' and the
* consumers pick work items from the same array.
*/
struct work_item {
- enum work_type type;
- char *name;
-
- /* if type == WORK_SHA1, then 'identifier' is a SHA1,
- * otherwise type == WORK_FILE, and 'identifier' is a NUL
- * terminated filename.
- */
- void *identifier;
+ struct grep_source source;
char done;
struct strbuf out;
};
pthread_mutex_unlock(&grep_mutex);
}
-/* Used to serialize calls to read_sha1_file. */
-static pthread_mutex_t 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;
static int skip_first_line;
-static void add_work(enum work_type type, char *name, void *id)
+static void add_work(struct grep_opt *opt, enum grep_source_type type,
+ const char *name, const void *id)
{
grep_lock();
pthread_cond_wait(&cond_write, &grep_mutex);
}
- todo[todo_end].type = type;
- todo[todo_end].name = name;
- todo[todo_end].identifier = id;
+ grep_source_init(&todo[todo_end].source, type, name, id);
+ if (opt->binary != GREP_BINARY_TEXT)
+ grep_source_load_driver(&todo[todo_end].source);
todo[todo_end].done = 0;
strbuf_reset(&todo[todo_end].out);
todo_end = (todo_end + 1) % ARRAY_SIZE(todo);
return ret;
}
-static void grep_sha1_async(struct grep_opt *opt, char *name,
- const unsigned char *sha1)
-{
- unsigned char *s;
- s = xmalloc(20);
- memcpy(s, sha1, 20);
- add_work(WORK_SHA1, name, s);
-}
-
-static void grep_file_async(struct grep_opt *opt, char *name,
- const char *filename)
-{
- add_work(WORK_FILE, name, xstrdup(filename));
-}
-
static void work_done(struct work_item *w)
{
int old_done;
write_or_die(1, p, len);
}
- free(w->name);
- free(w->identifier);
+ grep_source_clear(&w->source);
}
if (old_done != todo_done)
break;
opt->output_priv = w;
- if (w->type == WORK_SHA1) {
- unsigned long sz;
- void* data = load_sha1(w->identifier, &sz, w->name);
-
- if (data) {
- hit |= grep_buffer(opt, w->name, data, sz);
- free(data);
- }
- } else if (w->type == WORK_FILE) {
- size_t sz;
- void* data = load_file(w->identifier, &sz);
- if (data) {
- hit |= grep_buffer(opt, w->name, data, sz);
- free(data);
- }
- } else {
- assert(0);
- }
-
+ hit |= grep_source(opt, &w->source);
+ grep_source_clear_data(&w->source);
work_done(w);
}
free_grep_patterns(arg);
int i;
pthread_mutex_init(&grep_mutex, NULL);
- pthread_mutex_init(&read_sha1_mutex, NULL);
+ pthread_mutex_init(&grep_read_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);
+ grep_use_locks = 1;
for (i = 0; i < ARRAY_SIZE(todo); i++) {
strbuf_init(&todo[i].out, 0);
}
pthread_mutex_destroy(&grep_mutex);
- pthread_mutex_destroy(&read_sha1_mutex);
+ pthread_mutex_destroy(&grep_read_mutex);
pthread_mutex_destroy(&grep_attr_mutex);
pthread_cond_destroy(&cond_add);
pthread_cond_destroy(&cond_write);
pthread_cond_destroy(&cond_result);
+ grep_use_locks = 0;
return hit;
}
#else /* !NO_PTHREADS */
-#define read_sha1_lock()
-#define read_sha1_unlock()
static int wait_all(void)
{
}
#endif
+static int parse_pattern_type_arg(const char *opt, const char *arg)
+{
+ if (!strcmp(arg, "default"))
+ return GREP_PATTERN_TYPE_UNSPECIFIED;
+ else if (!strcmp(arg, "basic"))
+ return GREP_PATTERN_TYPE_BRE;
+ else if (!strcmp(arg, "extended"))
+ return GREP_PATTERN_TYPE_ERE;
+ else if (!strcmp(arg, "fixed"))
+ return GREP_PATTERN_TYPE_FIXED;
+ else if (!strcmp(arg, "perl"))
+ return GREP_PATTERN_TYPE_PCRE;
+ die("bad %s argument: %s", opt, arg);
+}
+
+static void grep_pattern_type_options(const int pattern_type, struct grep_opt *opt)
+{
+ switch (pattern_type) {
+ case GREP_PATTERN_TYPE_UNSPECIFIED:
+ /* fall through */
+
+ case GREP_PATTERN_TYPE_BRE:
+ opt->fixed = 0;
+ opt->pcre = 0;
+ opt->regflags &= ~REG_EXTENDED;
+ break;
+
+ case GREP_PATTERN_TYPE_ERE:
+ opt->fixed = 0;
+ opt->pcre = 0;
+ opt->regflags |= REG_EXTENDED;
+ break;
+
+ case GREP_PATTERN_TYPE_FIXED:
+ opt->fixed = 1;
+ opt->pcre = 0;
+ opt->regflags &= ~REG_EXTENDED;
+ break;
+
+ case GREP_PATTERN_TYPE_PCRE:
+ opt->fixed = 0;
+ opt->pcre = 1;
+ opt->regflags &= ~REG_EXTENDED;
+ break;
+ }
+}
+
static int grep_config(const char *var, const char *value, void *cb)
{
struct grep_opt *opt = cb;
char *color = NULL;
- switch (userdiff_config(var, value)) {
- case 0: break;
- case -1: return -1;
- default: return 0;
- }
+ if (userdiff_config(var, value) < 0)
+ return -1;
if (!strcmp(var, "grep.extendedregexp")) {
if (git_config_bool(var, value))
- opt->regflags |= REG_EXTENDED;
+ opt->extended_regexp_option = 1;
else
- opt->regflags &= ~REG_EXTENDED;
+ opt->extended_regexp_option = 0;
return 0;
}
+ if (!strcmp(var, "grep.patterntype")) {
+ opt->pattern_type_option = parse_pattern_type_arg(var, value);
+ return 0;
+ }
+
if (!strcmp(var, "grep.linenumber")) {
opt->linenum = git_config_bool(var, value);
return 0;
{
void *data;
- read_sha1_lock();
+ grep_read_lock();
data = read_sha1_file(sha1, type, size);
- read_sha1_unlock();
- return data;
-}
-
-static void *load_sha1(const unsigned char *sha1, unsigned long *size,
- const char *name)
-{
- enum object_type type;
- void *data = lock_and_read_sha1_file(sha1, &type, size);
-
- if (!data)
- error(_("'%s': unable to read %s"), name, sha1_to_hex(sha1));
-
+ grep_read_unlock();
return data;
}
const char *filename, int tree_name_len)
{
struct strbuf pathbuf = STRBUF_INIT;
- char *name;
if (opt->relative && opt->prefix_length) {
quote_path_relative(filename + tree_name_len, -1, &pathbuf,
strbuf_addstr(&pathbuf, filename);
}
- name = strbuf_detach(&pathbuf, NULL);
-
#ifndef NO_PTHREADS
if (use_threads) {
- grep_sha1_async(opt, name, sha1);
+ add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, sha1);
+ strbuf_release(&pathbuf);
return 0;
} else
#endif
{
+ struct grep_source gs;
int hit;
- unsigned long sz;
- void *data = load_sha1(sha1, &sz, name);
- if (!data)
- hit = 0;
- else
- hit = grep_buffer(opt, name, data, sz);
- free(data);
- free(name);
- return hit;
- }
-}
-
-static void *load_file(const char *filename, size_t *sz)
-{
- struct stat st;
- char *data;
- int i;
+ grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, sha1);
+ strbuf_release(&pathbuf);
+ hit = grep_source(opt, &gs);
- if (lstat(filename, &st) < 0) {
- err_ret:
- if (errno != ENOENT)
- error(_("'%s': %s"), filename, strerror(errno));
- return NULL;
- }
- if (!S_ISREG(st.st_mode))
- return NULL;
- *sz = xsize_t(st.st_size);
- i = open(filename, O_RDONLY);
- if (i < 0)
- goto err_ret;
- data = xmalloc(*sz + 1);
- if (st.st_size != read_in_full(i, data, *sz)) {
- error(_("'%s': short read %s"), filename, strerror(errno));
- close(i);
- free(data);
- return NULL;
+ grep_source_clear(&gs);
+ return hit;
}
- close(i);
- data[*sz] = 0;
- return data;
}
static int grep_file(struct grep_opt *opt, const char *filename)
{
struct strbuf buf = STRBUF_INIT;
- char *name;
if (opt->relative && opt->prefix_length)
quote_path_relative(filename, -1, &buf, opt->prefix);
else
strbuf_addstr(&buf, filename);
- name = strbuf_detach(&buf, NULL);
#ifndef NO_PTHREADS
if (use_threads) {
- grep_file_async(opt, name, filename);
+ add_work(opt, GREP_SOURCE_FILE, buf.buf, filename);
+ strbuf_release(&buf);
return 0;
} else
#endif
{
+ struct grep_source gs;
int hit;
- size_t sz;
- void *data = load_file(filename, &sz);
- if (!data)
- hit = 0;
- else
- hit = grep_buffer(opt, name, data, sz);
- free(data);
- free(name);
+ grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename);
+ strbuf_release(&buf);
+ hit = grep_source(opt, &gs);
+
+ grep_source_clear(&gs);
return hit;
}
}
struct strbuf base;
int hit, len;
- read_sha1_lock();
+ grep_read_lock();
data = read_object_with_reference(obj->sha1, tree_type,
&size, NULL);
- read_sha1_unlock();
+ grep_read_unlock();
if (!data)
die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1));
if (!patterns)
die_errno(_("cannot open '%s'"), arg);
while (strbuf_getline(&sb, patterns, '\n') == 0) {
- char *s;
- size_t len;
-
/* ignore empty line like grep does */
if (sb.len == 0)
continue;
- s = strbuf_detach(&sb, &len);
- append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN);
+ append_grep_pat(grep_opt, sb.buf, sb.len, arg, ++lno,
+ GREP_PATTERN);
}
if (!from_stdin)
fclose(patterns);
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;
+ int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;
struct option options[] = {
OPT_BOOLEAN(0, "cached", &cached,
- "search in index instead of in the work tree"),
- { OPTION_BOOLEAN, 0, "index", &use_index, NULL,
- "finds in contents not managed by git",
- PARSE_OPT_NOARG | PARSE_OPT_NEGHELP },
+ 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,
- "search in both tracked and untracked files"),
+ N_("search in both tracked and untracked files")),
OPT_SET_INT(0, "exclude-standard", &opt_exclude,
- "search also in ignored files", 1),
+ N_("search also in ignored files"), 1),
OPT_GROUP(""),
OPT_BOOLEAN('v', "invert-match", &opt.invert,
- "show non-matching lines"),
+ N_("show non-matching lines")),
OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
- "case insensitive matching"),
+ N_("case insensitive matching")),
OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
- "match patterns only at word boundaries"),
+ N_("match patterns only at word boundaries")),
OPT_SET_INT('a', "text", &opt.binary,
- "process binary files as text", GREP_BINARY_TEXT),
+ N_("process binary files as text"), GREP_BINARY_TEXT),
OPT_SET_INT('I', NULL, &opt.binary,
- "don't match patterns in binary files",
+ N_("don't match patterns in binary files"),
GREP_BINARY_NOMATCH),
- { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth",
- "descend at most <depth> levels", PARSE_OPT_NONEG,
+ { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
+ N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
NULL, 1 },
OPT_GROUP(""),
- 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_SET_INT('E', "extended-regexp", &pattern_type_arg,
+ N_("use extended POSIX regular expressions"),
+ GREP_PATTERN_TYPE_ERE),
+ OPT_SET_INT('G', "basic-regexp", &pattern_type_arg,
+ N_("use basic POSIX regular expressions (default)"),
+ GREP_PATTERN_TYPE_BRE),
+ OPT_SET_INT('F', "fixed-strings", &pattern_type_arg,
+ N_("interpret patterns as fixed strings"),
+ GREP_PATTERN_TYPE_FIXED),
+ OPT_SET_INT('P', "perl-regexp", &pattern_type_arg,
+ N_("use Perl-compatible regular expressions"),
+ GREP_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_BIT('H', NULL, &opt.pathname, "show filenames", 1),
+ OPT_BOOLEAN('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,
- "show filenames relative to top directory", 1),
+ N_("show filenames relative to top directory"), 1),
OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
- "show only filenames instead of matching lines"),
+ N_("show only filenames instead of matching lines")),
OPT_BOOLEAN(0, "name-only", &opt.name_only,
- "synonym for --files-with-matches"),
+ N_("synonym for --files-with-matches")),
OPT_BOOLEAN('L', "files-without-match",
&opt.unmatch_name_only,
- "show only the names of files without match"),
+ N_("show only the names of files without match")),
OPT_BOOLEAN('z', "null", &opt.null_following_name,
- "print NUL after filenames"),
+ N_("print NUL after filenames")),
OPT_BOOLEAN('c', "count", &opt.count,
- "show the number of matches instead of matching lines"),
- OPT__COLOR(&opt.color, "highlight matches"),
+ N_("show the number of matches instead of matching lines")),
+ OPT__COLOR(&opt.color, N_("highlight matches")),
OPT_BOOLEAN(0, "break", &opt.file_break,
- "print empty line between matches from different files"),
+ N_("print empty line between matches from different files")),
OPT_BOOLEAN(0, "heading", &opt.heading,
- "show filename only once above matches from same file"),
+ N_("show filename only once above matches from same file")),
OPT_GROUP(""),
- OPT_CALLBACK('C', "context", &opt, "n",
- "show <n> context lines before and after matches",
+ OPT_CALLBACK('C', "context", &opt, N_("n"),
+ N_("show <n> context lines before and after matches"),
context_callback),
OPT_INTEGER('B', "before-context", &opt.pre_context,
- "show <n> context lines before matches"),
+ N_("show <n> context lines before matches")),
OPT_INTEGER('A', "after-context", &opt.post_context,
- "show <n> context lines after matches"),
- OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
+ N_("show <n> context lines after matches")),
+ OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
context_callback),
OPT_BOOLEAN('p', "show-function", &opt.funcname,
- "show a line with the function name before matches"),
+ N_("show a line with the function name before matches")),
OPT_BOOLEAN('W', "function-context", &opt.funcbody,
- "show the surrounding function"),
+ N_("show the surrounding function")),
OPT_GROUP(""),
- OPT_CALLBACK('f', NULL, &opt, "file",
- "read patterns from file", file_callback),
- { OPTION_CALLBACK, 'e', NULL, &opt, "pattern",
- "match <pattern>", PARSE_OPT_NONEG, pattern_callback },
+ OPT_CALLBACK('f', NULL, &opt, N_("file"),
+ N_("read patterns from file"), file_callback),
+ { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
+ N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
{ OPTION_CALLBACK, 0, "and", &opt, NULL,
- "combine patterns specified with -e",
+ N_("combine patterns specified with -e"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
OPT_BOOLEAN(0, "or", &dummy, ""),
{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
close_callback },
OPT__QUIET(&opt.status_only,
- "indicate hit with exit status without output"),
+ N_("indicate hit with exit status without output")),
OPT_BOOLEAN(0, "all-match", &opt.all_match,
- "show only matches from files that match all patterns"),
+ N_("show only matches from files that match all patterns")),
OPT_GROUP(""),
{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
- "pager", "show matching files in the 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,
- "allow calling of grep(1) (ignored by this build)"),
- { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage",
+ 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_END()
};
opt.header_tail = &opt.header_list;
opt.regflags = REG_NEWLINE;
opt.max_depth = -1;
+ opt.pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED;
+ opt.extended_regexp_option = 0;
strcpy(opt.color_context, "");
strcpy(opt.color_filename, "");
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 (pattern_type_arg != GREP_PATTERN_TYPE_UNSPECIFIED)
+ grep_pattern_type_options(pattern_type_arg, &opt);
+ else if (opt.pattern_type_option != GREP_PATTERN_TYPE_UNSPECIFIED)
+ grep_pattern_type_options(opt.pattern_type_option, &opt);
+ else if (opt.extended_regexp_option)
+ grep_pattern_type_options(GREP_PATTERN_TYPE_ERE, &opt);
if (use_index && !startup_info->have_repository)
/* die the same way as if we did it at the beginning */
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)
+ 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);
}