diff --git a/sha1_file.c b/sha1_file.c
index 1d799f793a936a696cea86deb36fa2bdb04c29f4..1fd5b797a587dfd52a6662fc48c992a5e298f7f8 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
for ( ; cp < ep && *cp != sep; cp++)
;
if (last != cp) {
+ struct stat st;
struct alternate_object_database *alt;
/* 43 = 40-byte + 2 '/' + terminating NUL */
int pfxlen = cp - last;
}
else
memcpy(ent->base, last, pfxlen);
+
ent->name = ent->base + pfxlen + 1;
- ent->base[pfxlen] = ent->base[pfxlen + 3] = '/';
- ent->base[entlen-1] = 0;
+ ent->base[pfxlen + 3] = '/';
+ ent->base[pfxlen] = ent->base[entlen-1] = 0;
+
+ /* Detect cases where alternate disappeared */
+ if (stat(ent->base, &st) || !S_ISDIR(st.st_mode)) {
+ error("object directory %s does not exist; "
+ "check .git/objects/info/alternates.",
+ ent->base);
+ goto bad;
+ }
+ ent->base[pfxlen] = '/';
/* Prevent the common mistake of listing the same
* thing twice, or object directory itself.
len = strlen(path);
dir = opendir(path);
if (!dir) {
- fprintf(stderr, "unable to open object pack directory: %s: %s\n", path, strerror(errno));
+ if (errno != ENOENT)
+ error("unable to open object pack directory: %s: %s\n",
+ path, strerror(errno));
return;
}
path[len++] = '/';
@@ -828,6 +841,25 @@ static unsigned long unpack_object_header(struct packed_git *p, unsigned long of
return offset;
}
+int check_reuse_pack_delta(struct packed_git *p, unsigned long offset,
+ unsigned char *base, unsigned long *sizep,
+ enum object_type *kindp)
+{
+ unsigned long ptr;
+ int status = -1;
+
+ use_packed_git(p);
+ ptr = offset;
+ ptr = unpack_object_header(p, ptr, kindp, sizep);
+ if (*kindp != OBJ_DELTA)
+ goto done;
+ memcpy(base, p->pack_base + ptr, 20);
+ status = 0;
+ done:
+ unuse_packed_git(p);
+ return status;
+}
+
void packed_object_info_detail(struct pack_entry *e,
char *type,
unsigned long *size,