Merge branch 'ta/doc-no-small-caps'
[gitweb.git] / pack-check.c
index 166ca703c10face0d4961da6ceee7a149ebcfac4..63a595c45c961fce54cca95ab6e09e3336f0bb8e 100644 (file)
@@ -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;