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