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-rw-r--r--builtin/verify-pack.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c
new file mode 100644
index 0000000..27d6f75
--- /dev/null
+++ b/builtin/verify-pack.c
@@ -0,0 +1,90 @@
+#include "builtin.h"
+#include "cache.h"
+#include "config.h"
+#include "run-command.h"
+#include "parse-options.h"
+
+#define VERIFY_PACK_VERBOSE 01
+#define VERIFY_PACK_STAT_ONLY 02
+
+static int verify_one_pack(const char *path, unsigned int flags, const char *hash_algo)
+{
+ struct child_process index_pack = CHILD_PROCESS_INIT;
+ struct strvec *argv = &index_pack.args;
+ struct strbuf arg = STRBUF_INIT;
+ int verbose = flags & VERIFY_PACK_VERBOSE;
+ int stat_only = flags & VERIFY_PACK_STAT_ONLY;
+ int err;
+
+ strvec_push(argv, "index-pack");
+
+ if (stat_only)
+ strvec_push(argv, "--verify-stat-only");
+ else if (verbose)
+ strvec_push(argv, "--verify-stat");
+ else
+ strvec_push(argv, "--verify");
+
+ if (hash_algo)
+ strvec_pushf(argv, "--object-format=%s", hash_algo);
+
+ /*
+ * In addition to "foo.pack" we accept "foo.idx" and "foo";
+ * normalize these forms to "foo.pack" for "index-pack --verify".
+ */
+ strbuf_addstr(&arg, path);
+ if (strbuf_strip_suffix(&arg, ".idx") ||
+ !ends_with(arg.buf, ".pack"))
+ strbuf_addstr(&arg, ".pack");
+ strvec_push(argv, arg.buf);
+
+ index_pack.git_cmd = 1;
+
+ err = run_command(&index_pack);
+
+ if (verbose || stat_only) {
+ if (err)
+ printf("%s: bad\n", arg.buf);
+ else {
+ if (!stat_only)
+ printf("%s: ok\n", arg.buf);
+ }
+ }
+ strbuf_release(&arg);
+
+ return err;
+}
+
+static const char * const verify_pack_usage[] = {
+ N_("git verify-pack [-v | --verbose] [-s | --stat-only] [--] <pack>.idx..."),
+ NULL
+};
+
+int cmd_verify_pack(int argc, const char **argv, const char *prefix)
+{
+ int err = 0;
+ unsigned int flags = 0;
+ const char *object_format = NULL;
+ int i;
+ const struct option verify_pack_options[] = {
+ OPT_BIT('v', "verbose", &flags, N_("verbose"),
+ VERIFY_PACK_VERBOSE),
+ OPT_BIT('s', "stat-only", &flags, N_("show statistics only"),
+ VERIFY_PACK_STAT_ONLY),
+ OPT_STRING(0, "object-format", &object_format, N_("hash"),
+ N_("specify the hash algorithm to use")),
+ OPT_END()
+ };
+
+ git_config(git_default_config, NULL);
+ argc = parse_options(argc, argv, prefix, verify_pack_options,
+ verify_pack_usage, 0);
+ if (argc < 1)
+ usage_with_options(verify_pack_usage, verify_pack_options);
+ for (i = 0; i < argc; i++) {
+ if (verify_one_pack(argv[i], flags, object_format))
+ err = 1;
+ }
+
+ return err;
+}