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grep: refactor grep_objects loop into its own function

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Simplify cmd_grep by splitting off the loop that finds matches in a
list of trees.  So now the main part of cmd_grep looks like:

	if (!use_index) {
		int hit = grep_directory(&opt, paths);
		if (use_threads)
			hit |= wait_all();
		return !hit;
	}
	if (!list.nr) {
		if (!cached)
			setup_work_tree();
		int hit = grep_cache(&opt, paths, cached);
		if (use_threads)
			hit |= wait_all;
		return !hit;
	}
	hit = grep_objects(&opt, path, &list);
	if (use_threads)
		hit |= wait_all();
	return !hit;

and is ripe for further refactoring.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2010-06-12 11:31:18 -05:00 committed by Junio C Hamano
parent 7c42e390a3
commit 30d00c395e
1 changed files with 20 additions and 10 deletions
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30
builtin/grep.c
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@ -675,6 +675,25 @@ static int grep_object(struct grep_opt *opt, const char **paths,
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;
@ -1024,16 +1043,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
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;
}
}
hit = grep_objects(&opt, paths, &list);
if (use_threads)
hit |= wait_all();