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Diffstat (limited to 'builtin/grep.c')
-rw-r--r--builtin/grep.c94
1 files changed, 71 insertions, 23 deletions
diff --git a/builtin/grep.c b/builtin/grep.c
index 931eee0d75..1c359c2671 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -93,8 +93,7 @@ static pthread_cond_t cond_write;
/* 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)
{
@@ -160,10 +159,20 @@ static void work_done(struct work_item *w)
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);
@@ -316,7 +325,7 @@ static int grep_config(const char *var, const char *value, void *cb)
}
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"))
@@ -753,6 +762,15 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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"),
@@ -774,13 +792,18 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
"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),
@@ -799,18 +822,24 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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),
@@ -869,8 +898,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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
@@ -886,6 +913,28 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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 */
@@ -925,16 +974,15 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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;
+ if (opt.pre_context || opt.post_context || opt.file_break ||
+ opt.funcbody)
+ skip_first_line = 1;
start_threads(&opt);
}
#else
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 08:28:02 +0000