git-am: Mention --abort in usage string part of OPTIONS_SPEC

diff --git a/sha1_file.c b/sha1_file.c
index 2187e6caedc7b1824291c3330ed92851fed69704..e281c14f01d37ab7623998c2990914aca49a7a3b 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -484,7 +484,7 @@ static int check_packed_git_idx(const char *path,  struct packed_git *p)
                version = ntohl(hdr->idx_version);
                if (version < 2 || version > 2) {
                        munmap(idx_map, idx_size);
-                       return error("index file %s is version %d"
+                       return error("index file %s is version %"PRIu32
                                     " and is not supported by this binary"
                                     " (try upgrading GIT to a newer version)",
                                     path, version);
@@ -695,14 +695,14 @@ static int open_packed_git_1(struct packed_git *p)
        if (hdr.hdr_signature != htonl(PACK_SIGNATURE))
                return error("file %s is not a GIT packfile", p->pack_name);
        if (!pack_version_ok(hdr.hdr_version))
-               return error("packfile %s is version %u and not supported"
-                       " (try upgrading GIT to a newer version)",
+               return error("packfile %s is version %"PRIu32" and not"
+                       " supported (try upgrading GIT to a newer version)",
                        p->pack_name, ntohl(hdr.hdr_version));
 
        /* Verify the pack matches its index. */
        if (p->num_objects != ntohl(hdr.hdr_entries))
-               return error("packfile %s claims to have %u objects"
-                            " while index indicates %u objects",
+               return error("packfile %s claims to have %"PRIu32" objects"
+                            " while index indicates %"PRIu32" objects",
                             p->pack_name, ntohl(hdr.hdr_entries),
                             p->num_objects);
        if (lseek(p->pack_fd, p->pack_size - sizeof(sha1), SEEK_SET) == -1)
@@ -1006,6 +1006,18 @@ static void mark_bad_packed_object(struct packed_git *p,
        p->num_bad_objects++;
 }
 
+static int has_packed_and_bad(const unsigned char *sha1)
+{
+       struct packed_git *p;
+       unsigned i;
+
+       for (p = packed_git; p; p = p->next)
+               for (i = 0; i < p->num_bad_objects; i++)
+                       if (!hashcmp(sha1, p->bad_object_sha1 + 20 * i))
+                               return 1;
+       return 0;
+}
+
 int check_sha1_signature(const unsigned char *sha1, void *map, unsigned long size, const char *type)
 {
        unsigned char real_sha1[20];
@@ -1630,6 +1642,7 @@ static void *unpack_delta_entry(struct packed_git *p,
                      (uintmax_t)curpos, p->pack_name);
                return NULL;
        }
+       unuse_pack(w_curs);
        base = cache_or_unpack_entry(p, base_offset, &base_size, type, 0);
        if (!base) {
                /*
@@ -1646,7 +1659,7 @@ static void *unpack_delta_entry(struct packed_git *p,
                      sha1_to_hex(base_sha1), (uintmax_t)base_offset,
                      p->pack_name);
                mark_bad_packed_object(p, base_sha1);
-               base = read_sha1_file(base_sha1, type, &base_size);
+               base = read_object(base_sha1, type, &base_size);
                if (!base)
                        return NULL;
        }
@@ -1769,7 +1782,7 @@ off_t find_pack_entry_one(const unsigned char *sha1,
        }
 
        if (debug_lookup)
-               printf("%02x%02x%02x... lo %u hi %u nr %u\n",
+               printf("%02x%02x%02x... lo %u hi %u nr %"PRIu32"\n",
                       sha1[0], sha1[1], sha1[2], lo, hi, p->num_objects);
 
        if (use_lookup < 0)
@@ -1944,7 +1957,7 @@ static void *read_packed_sha1(const unsigned char *sha1,
                error("failed to read object %s at offset %"PRIuMAX" from %s",
                      sha1_to_hex(sha1), (uintmax_t)e.offset, e.p->pack_name);
                mark_bad_packed_object(e.p, sha1);
-               data = read_sha1_file(sha1, type, size);
+               data = read_object(sha1, type, size);
        }
        return data;
 }
@@ -2009,8 +2022,8 @@ int pretend_sha1_file(void *buf, unsigned long len, enum object_type type,
        return 0;
 }
 
-void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
-                    unsigned long *size)
+void *read_object(const unsigned char *sha1, enum object_type *type,
+                 unsigned long *size)
 {
        unsigned long mapsize;
        void *map, *buf;
@@ -2036,6 +2049,16 @@ void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
        return read_packed_sha1(sha1, type, size);
 }
 
+void *read_sha1_file(const unsigned char *sha1, enum object_type *type,
+                    unsigned long *size)
+{
+       void *data = read_object(sha1, type, size);
+       /* legacy behavior is to die on corrupted objects */
+       if (!data && (has_loose_object(sha1) || has_packed_and_bad(sha1)))
+               die("object %s is corrupted", sha1_to_hex(sha1));
+       return data;
+}
+
 void *read_object_with_reference(const unsigned char *sha1,
                                 const char *required_type_name,
                                 unsigned long *size,