diff options
Diffstat (limited to 'sha1_file.c')
| -rw-r--r-- | sha1_file.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/sha1_file.c b/sha1_file.c index 1d996a1990..4cc8939e4b 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -1357,6 +1357,8 @@ unsigned long get_size_from_delta(struct packed_git *p, in = use_pack(p, w_curs, curpos, &stream.avail_in); stream.next_in = in; st = git_inflate(&stream, Z_FINISH); + if (st == Z_BUF_ERROR && (stream.avail_in || !stream.avail_out)) + break; curpos += stream.next_in - in; } while ((st == Z_OK || st == Z_BUF_ERROR) && stream.total_out < sizeof(delta_head)); @@ -1594,6 +1596,8 @@ static void *unpack_compressed_entry(struct packed_git *p, in = use_pack(p, w_curs, curpos, &stream.avail_in); stream.next_in = in; st = git_inflate(&stream, Z_FINISH); + if (st == Z_BUF_ERROR && (stream.avail_in || !stream.avail_out)) + break; curpos += stream.next_in - in; } while (st == Z_OK || st == Z_BUF_ERROR); git_inflate_end(&stream); @@ -2144,13 +2148,26 @@ static void *read_object(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 *read_sha1_file_repl(const unsigned char *sha1, + enum object_type *type, + unsigned long *size, + const unsigned char **replacement) { - void *data = read_object(sha1, type, size); + const unsigned char *repl = lookup_replace_object(sha1); + void *data = read_object(repl, type, size); + + /* die if we replaced an object with one that does not exist */ + if (!data && repl != sha1) + die("replacement %s not found for %s", + sha1_to_hex(repl), sha1_to_hex(sha1)); + /* 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)); + if (!data && (has_loose_object(repl) || has_packed_and_bad(repl))) + die("object %s is corrupted", sha1_to_hex(repl)); + + if (replacement) + *replacement = repl; + return data; } |