diff options
Diffstat (limited to 'pack-check.c')
-rw-r--r-- | pack-check.c | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/pack-check.c b/pack-check.c index 166ca703c1..63a595c45c 100644 --- a/pack-check.c +++ b/pack-check.c @@ -1,9 +1,9 @@ #include "cache.h" #include "pack.h" #include "pack-revindex.h" +#include "progress.h" -struct idx_entry -{ +struct idx_entry { off_t offset; const unsigned char *sha1; unsigned int nr; @@ -24,10 +24,10 @@ int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr) { const uint32_t *index_crc; - uint32_t data_crc = crc32(0, Z_NULL, 0); + uint32_t data_crc = crc32(0, NULL, 0); do { - unsigned int avail; + unsigned long avail; void *data = use_pack(p, w_curs, offset, &avail); if (avail > len) avail = len; @@ -43,7 +43,10 @@ int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, } static int verify_packfile(struct packed_git *p, - struct pack_window **w_curs) + struct pack_window **w_curs, + verify_fn fn, + struct progress *progress, uint32_t base_count) + { off_t index_size = p->index_size; const unsigned char *index_base = p->index_data; @@ -62,7 +65,7 @@ static int verify_packfile(struct packed_git *p, git_SHA1_Init(&ctx); do { - unsigned int remaining; + unsigned long remaining; unsigned char *in = use_pack(p, w_curs, offset, &remaining); offset += remaining; if (!pack_sig_ofs) @@ -77,7 +80,7 @@ static int verify_packfile(struct packed_git *p, err = error("%s SHA1 checksum mismatch", p->pack_name); if (hashcmp(index_base + index_size - 40, pack_sig)) - err = error("%s SHA1 does not match its inddex", + err = error("%s SHA1 does not match its index", p->pack_name); unuse_pack(w_curs); @@ -114,33 +117,37 @@ static int verify_packfile(struct packed_git *p, p->pack_name, (uintmax_t)offset); } data = unpack_entry(p, entries[i].offset, &type, &size); - if (!data) { + if (!data) err = error("cannot unpack %s from %s at offset %"PRIuMAX"", sha1_to_hex(entries[i].sha1), p->pack_name, (uintmax_t)entries[i].offset); - break; - } - if (check_sha1_signature(entries[i].sha1, data, size, typename(type))) { + else if (check_sha1_signature(entries[i].sha1, data, size, typename(type))) err = error("packed %s from %s is corrupt", sha1_to_hex(entries[i].sha1), p->pack_name); - free(data); - break; + else if (fn) { + int eaten = 0; + fn(entries[i].sha1, type, size, data, &eaten); + if (eaten) + data = NULL; } + if (((base_count + i) & 1023) == 0) + display_progress(progress, base_count + i); free(data); + } + display_progress(progress, base_count + i); free(entries); return err; } -int verify_pack(struct packed_git *p) +int verify_pack_index(struct packed_git *p) { off_t index_size; const unsigned char *index_base; git_SHA_CTX ctx; unsigned char sha1[20]; int err = 0; - struct pack_window *w_curs = NULL; if (open_pack_index(p)) return error("packfile %s index not opened", p->pack_name); @@ -154,9 +161,20 @@ int verify_pack(struct packed_git *p) if (hashcmp(sha1, index_base + index_size - 20)) err = error("Packfile index for %s SHA1 mismatch", p->pack_name); + return err; +} + +int verify_pack(struct packed_git *p, verify_fn fn, + struct progress *progress, uint32_t base_count) +{ + int err = 0; + struct pack_window *w_curs = NULL; + + err |= verify_pack_index(p); + if (!p->index_data) + return -1; - /* Verify pack file */ - err |= verify_packfile(p, &w_curs); + err |= verify_packfile(p, &w_curs, fn, progress, base_count); unuse_pack(&w_curs); return err; |