1 files changed, 101 insertions, 0 deletions
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
new file mode 100644
index 0000000..6f62f40
--- /dev/null
+++ b/builtin/for-each-ref.c
@@ -0,0 +1,101 @@
+#include "builtin.h"
+#include "cache.h"
+#include "config.h"
+#include "refs.h"
+#include "object.h"
+#include "parse-options.h"
+#include "ref-filter.h"
+
+static char const * const for_each_ref_usage[] = {
+	N_("git for-each-ref [<options>] [<pattern>]"),
+	N_("git for-each-ref [--points-at <object>]"),
+	N_("git for-each-ref [--merged [<commit>]] [--no-merged [<commit>]]"),
+	N_("git for-each-ref [--contains [<commit>]] [--no-contains [<commit>]]"),
+	NULL
+};
+
+int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
+{
+	int i;
+	struct ref_sorting *sorting;
+	struct string_list sorting_options = STRING_LIST_INIT_DUP;
+	int maxcount = 0, icase = 0;
+	struct ref_array array;
+	struct ref_filter filter;
+	struct ref_format format = REF_FORMAT_INIT;
+	struct strbuf output = STRBUF_INIT;
+	struct strbuf err = STRBUF_INIT;
+
+	struct option opts[] = {
+		OPT_BIT('s', "shell", &format.quote_style,
+			N_("quote placeholders suitably for shells"), QUOTE_SHELL),
+		OPT_BIT('p', "perl",  &format.quote_style,
+			N_("quote placeholders suitably for perl"), QUOTE_PERL),
+		OPT_BIT(0 , "python", &format.quote_style,
+			N_("quote placeholders suitably for python"), QUOTE_PYTHON),
+		OPT_BIT(0 , "tcl",  &format.quote_style,
+			N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
+
+		OPT_GROUP(""),
+		OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
+		OPT_STRING(  0 , "format", &format.format, N_("format"), N_("format to use for the output")),
+		OPT__COLOR(&format.use_color, N_("respect format colors")),
+		OPT_REF_SORT(&sorting_options),
+		OPT_CALLBACK(0, "points-at", &filter.points_at,
+			     N_("object"), N_("print only refs which points at the given object"),
+			     parse_opt_object_name),
+		OPT_MERGED(&filter, N_("print only refs that are merged")),
+		OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
+		OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
+		OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")),
+		OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
+		OPT_END(),
+	};
+
+	memset(&array, 0, sizeof(array));
+	memset(&filter, 0, sizeof(filter));
+
+	format.format = "%(objectname) %(objecttype)\t%(refname)";
+
+	git_config(git_default_config, NULL);
+
+	parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
+	if (maxcount < 0) {
+		error("invalid --count argument: `%d'", maxcount);
+		usage_with_options(for_each_ref_usage, opts);
+	}
+	if (HAS_MULTI_BITS(format.quote_style)) {
+		error("more than one quoting style?");
+		usage_with_options(for_each_ref_usage, opts);
+	}
+	if (verify_ref_format(&format))
+		usage_with_options(for_each_ref_usage, opts);
+
+	sorting = ref_sorting_options(&sorting_options);
+	ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
+	filter.ignore_case = icase;
+
+	filter.name_patterns = argv;
+	filter.match_as_path = 1;
+	filter_refs(&array, &filter, FILTER_REFS_ALL);
+	ref_array_sort(sorting, &array);
+
+	if (!maxcount || array.nr < maxcount)
+		maxcount = array.nr;
+	for (i = 0; i < maxcount; i++) {
+		strbuf_reset(&err);
+		strbuf_reset(&output);
+		if (format_ref_array_item(array.items[i], &format, &output, &err))
+			die("%s", err.buf);
+		fwrite(output.buf, 1, output.len, stdout);
+		putchar('\n');
+	}
+
+	strbuf_release(&err);
+	strbuf_release(&output);
+	ref_array_clear(&array);
+	free_commit_list(filter.with_commit);
+	free_commit_list(filter.no_commit);
+	ref_sorting_release(sorting);
+	return 0;
+}