#include "tree-walk.h"
#include "builtin.h"
#include "parse-options.h"
+#include "string-list.h"
+#include "run-command.h"
#include "userdiff.h"
#include "grep.h"
#include "quote.h"
#endif
static char const * const grep_usage[] = {
- "git grep [options] [-e] <pattern> [<rev>...] [[--] path...]",
+ "git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]",
NULL
};
}
}
+static void append_path(struct grep_opt *opt, const void *data, size_t len)
+{
+ struct string_list *path_list = opt->output_priv;
+
+ if (len == 1 && *(const char *)data == '\0')
+ return;
+ string_list_append(path_list, xstrndup(data, len));
+}
+
+static void run_pager(struct grep_opt *opt, const char *prefix)
+{
+ struct string_list *path_list = opt->output_priv;
+ const char **argv = xmalloc(sizeof(const char *) * (path_list->nr + 1));
+ int i, status;
+
+ for (i = 0; i < path_list->nr; i++)
+ argv[i] = path_list->items[i].string;
+ argv[path_list->nr] = NULL;
+
+ if (prefix && chdir(prefix))
+ die("Failed to chdir: %s", prefix);
+ status = run_command_v_opt(argv, RUN_USING_SHELL);
+ if (status)
+ exit(status);
+ free(argv);
+}
+
static int grep_cache(struct grep_opt *opt, const char **paths, int cached)
{
int hit = 0;
if (hit && opt->status_only)
break;
}
- free_grep_patterns(opt);
return hit;
}
die("unable to grep from object of type %s", typename(obj->type));
}
+static int grep_objects(struct grep_opt *opt, const char **paths,
+ const struct object_array *list)
+{
+ unsigned int i;
+ int hit = 0;
+ const unsigned int nr = list->nr;
+
+ for (i = 0; i < nr; i++) {
+ struct object *real_obj;
+ real_obj = deref_tag(list->objects[i].item, NULL, 0);
+ if (grep_object(opt, paths, real_obj, list->objects[i].name)) {
+ hit = 1;
+ if (opt->status_only)
+ break;
+ }
+ }
+ return hit;
+}
+
static int grep_directory(struct grep_opt *opt, const char **paths)
{
struct dir_struct dir;
if (hit && opt->status_only)
break;
}
- free_grep_patterns(opt);
return hit;
}
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;
- append_grep_pattern(grep_opt, strbuf_detach(&sb, NULL), arg,
- ++lno, GREP_PATTERN);
+
+ s = strbuf_detach(&sb, &len);
+ append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN);
}
fclose(patterns);
strbuf_release(&sb);
int cached = 0;
int seen_dashdash = 0;
int external_grep_allowed__ignored;
+ const char *show_in_pager = NULL, *default_pager = "dummy";
struct grep_opt opt;
- struct object_array list = { 0, 0, NULL };
+ struct object_array list = OBJECT_ARRAY_INIT;
const char **paths = NULL;
+ struct string_list path_list = STRING_LIST_INIT_NODUP;
int i;
int dummy;
- int nongit = 0, use_index = 1;
+ int use_index = 1;
struct option options[] = {
OPT_BOOLEAN(0, "cached", &cached,
"search in index instead of in the work tree"),
OPT_BOOLEAN(0, "all-match", &opt.all_match,
"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",
+ 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",
OPT_END()
};
- prefix = setup_git_directory_gently(&nongit);
-
/*
* 'git grep -h', unlike 'git grep -h <pattern>', is a request
* to show usage information and exit.
PARSE_OPT_STOP_AT_NON_OPTION |
PARSE_OPT_NO_INTERNAL_HELP);
- if (use_index && nongit)
+ if (use_index && !startup_info->have_repository)
/* die the same way as if we did it at the beginning */
setup_git_directory();
argc--;
}
+ if (show_in_pager == default_pager)
+ show_in_pager = git_pager(1);
+ if (show_in_pager) {
+ opt.color = 0;
+ opt.name_only = 1;
+ opt.null_following_name = 1;
+ opt.output_priv = &path_list;
+ opt.output = append_path;
+ string_list_append(&path_list, show_in_pager);
+ use_threads = 0;
+ }
+
if (!opt.pattern_list)
die("no pattern given.");
if (!opt.fixed && opt.ignore_case)
paths[1] = NULL;
}
+ if (show_in_pager && (cached || list.nr))
+ die("--open-files-in-pager only works on the worktree");
+
+ if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) {
+ const char *pager = path_list.items[0].string;
+ int len = strlen(pager);
+
+ if (len > 4 && is_dir_sep(pager[len - 5]))
+ pager += len - 4;
+
+ if (!strcmp("less", pager) || !strcmp("vi", pager)) {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "+/%s%s",
+ strcmp("less", pager) ? "" : "*",
+ opt.pattern_list->pattern);
+ string_list_append(&path_list, buf.buf);
+ strbuf_detach(&buf, NULL);
+ }
+ }
+
+ if (!show_in_pager)
+ setup_pager();
+
+
if (!use_index) {
- int hit;
if (cached)
die("--cached cannot be used with --no-index.");
if (list.nr)
die("--no-index cannot be used with revs.");
hit = grep_directory(&opt, paths);
- if (use_threads)
- hit |= wait_all();
- return !hit;
- }
-
- if (!list.nr) {
- int hit;
+ } else if (!list.nr) {
if (!cached)
setup_work_tree();
hit = grep_cache(&opt, paths, cached);
- if (use_threads)
- hit |= wait_all();
- return !hit;
- }
-
- if (cached)
- die("both --cached and trees are given.");
-
- for (i = 0; i < list.nr; i++) {
- struct object *real_obj;
- real_obj = deref_tag(list.objects[i].item, NULL, 0);
- if (grep_object(&opt, paths, real_obj, list.objects[i].name)) {
- hit = 1;
- if (opt.status_only)
- break;
- }
+ } else {
+ if (cached)
+ die("both --cached and trees are given.");
+ hit = grep_objects(&opt, paths, &list);
}
if (use_threads)
hit |= wait_all();
+ if (hit && show_in_pager)
+ run_pager(&opt, prefix);
free_grep_patterns(&opt);
return !hit;
}