merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 172 insertions, 0 deletions

diff --git a/third_party/git/builtin/count-objects.c b/third_party/git/builtin/count-objects.c
new file mode 100644
index 000000000000..3fae474f6f1f
--- /dev/null
+++ b/third_party/git/builtin/count-objects.c
@@ -0,0 +1,172 @@
+/*
+ * Builtin "git count-objects".
+ *
+ * Copyright (c) 2006 Junio C Hamano
+ */
+
+#include "cache.h"
+#include "config.h"
+#include "dir.h"
+#include "repository.h"
+#include "builtin.h"
+#include "parse-options.h"
+#include "quote.h"
+#include "packfile.h"
+#include "object-store.h"
+
+static unsigned long garbage;
+static off_t size_garbage;
+static int verbose;
+static unsigned long loose, packed, packed_loose;
+static off_t loose_size;
+
+static const char *bits_to_msg(unsigned seen_bits)
+{
+	switch (seen_bits) {
+	case 0:
+		return "no corresponding .idx or .pack";
+	case PACKDIR_FILE_GARBAGE:
+		return "garbage found";
+	case PACKDIR_FILE_PACK:
+		return "no corresponding .idx";
+	case PACKDIR_FILE_IDX:
+		return "no corresponding .pack";
+	case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
+	default:
+		return NULL;
+	}
+}
+
+static void real_report_garbage(unsigned seen_bits, const char *path)
+{
+	struct stat st;
+	const char *desc = bits_to_msg(seen_bits);
+
+	if (!desc)
+		return;
+
+	if (!stat(path, &st))
+		size_garbage += st.st_size;
+	warning("%s: %s", desc, path);
+	garbage++;
+}
+
+static void loose_garbage(const char *path)
+{
+	if (verbose)
+		report_garbage(PACKDIR_FILE_GARBAGE, path);
+}
+
+static int count_loose(const struct object_id *oid, const char *path, void *data)
+{
+	struct stat st;
+
+	if (lstat(path, &st) || !S_ISREG(st.st_mode))
+		loose_garbage(path);
+	else {
+		loose_size += on_disk_bytes(st);
+		loose++;
+		if (verbose && has_object_pack(oid))
+			packed_loose++;
+	}
+	return 0;
+}
+
+static int count_cruft(const char *basename, const char *path, void *data)
+{
+	loose_garbage(path);
+	return 0;
+}
+
+static int print_alternate(struct object_directory *odb, void *data)
+{
+	printf("alternate: ");
+	quote_c_style(odb->path, NULL, stdout, 0);
+	putchar('\n');
+	return 0;
+}
+
+static char const * const count_objects_usage[] = {
+	N_("git count-objects [-v] [-H | --human-readable]"),
+	NULL
+};
+
+int cmd_count_objects(int argc, const char **argv, const char *prefix)
+{
+	int human_readable = 0;
+	struct option opts[] = {
+		OPT__VERBOSE(&verbose, N_("be verbose")),
+		OPT_BOOL('H', "human-readable", &human_readable,
+			 N_("print sizes in human readable format")),
+		OPT_END(),
+	};
+
+	git_config(git_default_config, NULL);
+
+	argc = parse_options(argc, argv, prefix, opts, count_objects_usage, 0);
+	/* we do not take arguments other than flags for now */
+	if (argc)
+		usage_with_options(count_objects_usage, opts);
+	if (verbose) {
+		report_garbage = real_report_garbage;
+		report_linked_checkout_garbage();
+	}
+
+	for_each_loose_file_in_objdir(get_object_directory(),
+				      count_loose, count_cruft, NULL, NULL);
+
+	if (verbose) {
+		struct packed_git *p;
+		unsigned long num_pack = 0;
+		off_t size_pack = 0;
+		struct strbuf loose_buf = STRBUF_INIT;
+		struct strbuf pack_buf = STRBUF_INIT;
+		struct strbuf garbage_buf = STRBUF_INIT;
+
+		for (p = get_all_packs(the_repository); p; p = p->next) {
+			if (!p->pack_local)
+				continue;
+			if (open_pack_index(p))
+				continue;
+			packed += p->num_objects;
+			size_pack += p->pack_size + p->index_size;
+			num_pack++;
+		}
+
+		if (human_readable) {
+			strbuf_humanise_bytes(&loose_buf, loose_size);
+			strbuf_humanise_bytes(&pack_buf, size_pack);
+			strbuf_humanise_bytes(&garbage_buf, size_garbage);
+		} else {
+			strbuf_addf(&loose_buf, "%lu",
+				    (unsigned long)(loose_size / 1024));
+			strbuf_addf(&pack_buf, "%lu",
+				    (unsigned long)(size_pack / 1024));
+			strbuf_addf(&garbage_buf, "%lu",
+				    (unsigned long)(size_garbage / 1024));
+		}
+
+		printf("count: %lu\n", loose);
+		printf("size: %s\n", loose_buf.buf);
+		printf("in-pack: %lu\n", packed);
+		printf("packs: %lu\n", num_pack);
+		printf("size-pack: %s\n", pack_buf.buf);
+		printf("prune-packable: %lu\n", packed_loose);
+		printf("garbage: %lu\n", garbage);
+		printf("size-garbage: %s\n", garbage_buf.buf);
+		foreach_alt_odb(print_alternate, NULL);
+		strbuf_release(&loose_buf);
+		strbuf_release(&pack_buf);
+		strbuf_release(&garbage_buf);
+	} else {
+		struct strbuf buf = STRBUF_INIT;
+		if (human_readable)
+			strbuf_humanise_bytes(&buf, loose_size);
+		else
+			strbuf_addf(&buf, "%lu kilobytes",
+				    (unsigned long)(loose_size / 1024));
+		printf("%lu objects, %s\n", loose, buf.buf);
+		strbuf_release(&buf);
+	}
+	return 0;
+}