#include "builtin.h" #include "cache.h" #include "pack.h" #include "pack-revindex.h" #define MAX_CHAIN 50 static void show_pack_info(struct packed_git *p) { uint32_t nr_objects, i, chain_histogram[MAX_CHAIN+1]; nr_objects = p->num_objects; memset(chain_histogram, 0, sizeof(chain_histogram)); for (i = 0; i < nr_objects; i++) { const unsigned char *sha1; unsigned char base_sha1[20]; const char *type; unsigned long size; unsigned long store_size; off_t offset; unsigned int delta_chain_length; sha1 = nth_packed_object_sha1(p, i); if (!sha1) die("internal error pack-check nth-packed-object"); offset = nth_packed_object_offset(p, i); type = packed_object_info_detail(p, offset, &size, &store_size, &delta_chain_length, base_sha1); printf("%s ", sha1_to_hex(sha1)); if (!delta_chain_length) printf("%-6s %lu %lu %"PRIuMAX"\n", type, size, store_size, (uintmax_t)offset); else { printf("%-6s %lu %lu %"PRIuMAX" %u %s\n", type, size, store_size, (uintmax_t)offset, delta_chain_length, sha1_to_hex(base_sha1)); if (delta_chain_length <= MAX_CHAIN) chain_histogram[delta_chain_length]++; else chain_histogram[0]++; } } for (i = 0; i <= MAX_CHAIN; i++) { if (!chain_histogram[i]) continue; printf("chain length = %"PRIu32": %"PRIu32" object%s\n", i, chain_histogram[i], chain_histogram[i] > 1 ? "s" : ""); } if (chain_histogram[0]) printf("chain length > %d: %"PRIu32" object%s\n", MAX_CHAIN, chain_histogram[0], chain_histogram[0] > 1 ? "s" : ""); } static int verify_one_pack(const char *path, int verbose) { char arg[PATH_MAX]; int len; struct packed_git *pack; int err; len = strlcpy(arg, path, PATH_MAX); if (len >= PATH_MAX) return error("name too long: %s", path); /* * In addition to "foo.idx" we accept "foo.pack" and "foo"; * normalize these forms to "foo.idx" for add_packed_git(). */ if (has_extension(arg, ".pack")) { strcpy(arg + len - 5, ".idx"); len--; } else if (!has_extension(arg, ".idx")) { if (len + 4 >= PATH_MAX) return error("name too long: %s.idx", arg); strcpy(arg + len, ".idx"); len += 4; } /* * add_packed_git() uses our buffer (containing "foo.idx") to * build the pack filename ("foo.pack"). Make sure it fits. */ if (len + 1 >= PATH_MAX) { arg[len - 4] = '\0'; return error("name too long: %s.pack", arg); } pack = add_packed_git(arg, len, 1); if (!pack) return error("packfile %s not found.", arg); install_packed_git(pack); err = verify_pack(pack); if (verbose) { if (err) printf("%s: bad\n", pack->pack_name); else { show_pack_info(pack); printf("%s: ok\n", pack->pack_name); } } return err; } static const char verify_pack_usage[] = "git-verify-pack [-v] <pack>..."; int cmd_verify_pack(int argc, const char **argv, const char *prefix) { int err = 0; int verbose = 0; int no_more_options = 0; int nothing_done = 1; git_config(git_default_config, NULL); while (1 < argc) { if (!no_more_options && argv[1][0] == '-') { if (!strcmp("-v", argv[1])) verbose = 1; else if (!strcmp("--", argv[1])) no_more_options = 1; else usage(verify_pack_usage); } else { if (verify_one_pack(argv[1], verbose)) err = 1; discard_revindex(); nothing_done = 0; } argc--; argv++; } if (nothing_done) usage(verify_pack_usage); return err; }