* creation etc.
*/
#include "cache.h"
+#include "config.h"
#include "string-list.h"
#include "lockfile.h"
#include "delta.h"
* SHA1, an extra slash for the first level indirection, and the
* terminating NUL.
*/
+static void read_info_alternates(const char * relative_base, int depth);
static int link_alt_odb_entry(const char *entry, const char *relative_base,
int depth, const char *normalized_objdir)
{
strbuf_release(&objdirbuf);
}
-void read_info_alternates(const char * relative_base, int depth)
+static void read_info_alternates(const char * relative_base, int depth)
{
char *map;
size_t mapsz;
out:
if (seen_error) {
- free(ref_git);
- ref_git = NULL;
+ FREE_AND_NULL(ref_git);
}
return ref_git;
fd = open(name, flags | o_cloexec);
}
-#if defined(F_GETFL) && defined(F_SETFL) && defined(FD_CLOEXEC)
+#if defined(F_GETFD) && defined(F_SETFD) && defined(FD_CLOEXEC)
{
static int fd_cloexec = FD_CLOEXEC;
if (!o_cloexec && 0 <= fd && fd_cloexec) {
/* Opened w/o O_CLOEXEC? try with fcntl(2) to add it */
- int flags = fcntl(fd, F_GETFL);
- if (fcntl(fd, F_SETFL, flags | fd_cloexec))
+ int flags = fcntl(fd, F_GETFD);
+ if (fcntl(fd, F_SETFD, flags | fd_cloexec))
fd_cloexec = 0;
}
}
return a->p == b->p && a->base_offset == b->base_offset;
}
-static int delta_base_cache_hash_cmp(const void *va, const void *vb,
+static int delta_base_cache_hash_cmp(const void *unused_cmp_data,
+ const void *va, const void *vb,
const void *vkey)
{
const struct delta_base_cache_entry *a = va, *b = vb;
list_add_tail(&ent->lru, &delta_base_cache_lru);
if (!delta_base_cache.cmpfn)
- hashmap_init(&delta_base_cache, delta_base_cache_hash_cmp, 0);
+ hashmap_init(&delta_base_cache, delta_base_cache_hash_cmp, NULL, 0);
hashmap_entry_init(ent, pack_entry_hash(p, base_offset));
hashmap_add(&delta_base_cache, ent);
}
hashclr(oi->delta_base_sha1);
}
+ oi->whence = in_delta_base_cache(p, obj_offset) ? OI_DBCACHED :
+ OI_PACKED;
+
out:
unuse_pack(&w_curs);
return type;
error("bad packed object CRC for %s",
sha1_to_hex(sha1));
mark_bad_packed_object(p, sha1);
- unuse_pack(&w_curs);
- return NULL;
+ data = NULL;
+ goto out;
}
}
if (final_size)
*final_size = size;
+out:
unuse_pack(&w_curs);
if (delta_stack != small_delta_stack)
const uint32_t *level1_ofs = p->index_data;
const unsigned char *index = p->index_data;
unsigned hi, lo, stride;
- static int use_lookup = -1;
static int debug_lookup = -1;
if (debug_lookup < 0)
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)
- use_lookup = !!getenv("GIT_USE_LOOKUP");
- if (use_lookup) {
- int pos = sha1_entry_pos(index, stride, 0,
- lo, hi, p->num_objects, sha1);
- if (pos < 0)
- return 0;
- return nth_packed_object_offset(p, pos);
- }
-
- do {
+ while (lo < hi) {
unsigned mi = (lo + hi) / 2;
int cmp = hashcmp(index + mi * stride, sha1);
hi = mi;
else
lo = mi+1;
- } while (lo < hi);
+ }
return 0;
}
if (oi->sizep == &size_scratch)
oi->sizep = NULL;
strbuf_release(&hdrbuf);
+ oi->whence = OI_LOOSE;
return (status < 0) ? status : 0;
}
int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi, unsigned flags)
{
+ static struct object_info blank_oi = OBJECT_INFO_INIT;
struct pack_entry e;
int rtype;
const unsigned char *real = (flags & OBJECT_INFO_LOOKUP_REPLACE) ?
lookup_replace_object(sha1) :
sha1;
+ if (!oi)
+ oi = &blank_oi;
+
if (!(flags & OBJECT_INFO_SKIP_CACHED)) {
struct cached_object *co = find_cached_object(real);
if (co) {
if (!find_pack_entry(real, &e)) {
/* Most likely it's a loose object. */
- if (!sha1_loose_object_info(real, oi, flags)) {
- oi->whence = OI_LOOSE;
+ if (!sha1_loose_object_info(real, oi, flags))
return 0;
- }
/* Not a loose object; someone else may have just packed it. */
if (flags & OBJECT_INFO_QUICK) {
}
}
+ if (oi == &blank_oi)
+ /*
+ * We know that the caller doesn't actually need the
+ * information below, so return early.
+ */
+ return 0;
+
rtype = packed_object_info(e.p, e.offset, oi);
if (rtype < 0) {
mark_bad_packed_object(e.p, real);
return sha1_object_info_extended(real, oi, 0);
- } else if (in_delta_base_cache(e.p, e.offset)) {
- oi->whence = OI_DBCACHED;
- } else {
- oi->whence = OI_PACKED;
+ } else if (oi->whence == OI_PACKED) {
oi->u.packed.offset = e.offset;
oi->u.packed.pack = e.p;
oi->u.packed.is_delta = (rtype == OBJ_REF_DELTA ||
return type;
}
-static void *read_packed_sha1(const unsigned char *sha1,
- enum object_type *type, unsigned long *size)
-{
- struct pack_entry e;
- void *data;
-
- if (!find_pack_entry(sha1, &e))
- return NULL;
- data = cache_or_unpack_entry(e.p, e.offset, size, type);
- if (!data) {
- /*
- * We're probably in deep shit, but let's try to fetch
- * the required object anyway from another pack or loose.
- * This should happen only in the presence of a corrupted
- * pack, and is better than failing outright.
- */
- 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_object(sha1, type, size);
- }
- return data;
-}
-
int pretend_sha1_file(void *buf, unsigned long len, enum object_type type,
unsigned char *sha1)
{
if (has_loose_object(sha1))
return 0;
- buf = read_packed_sha1(sha1, &type, &len);
+ buf = read_object(sha1, &type, &len);
if (!buf)
return error("cannot read sha1_file for %s", sha1_to_hex(sha1));
hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1;
int has_sha1_file_with_flags(const unsigned char *sha1, int flags)
{
- struct pack_entry e;
-
if (!startup_info->have_repository)
return 0;
- if (find_pack_entry(sha1, &e))
- return 1;
- if (has_loose_object(sha1))
- return 1;
- if (flags & HAS_SHA1_QUICK)
- return 0;
- reprepare_packed_git();
- return find_pack_entry(sha1, &e);
+ return sha1_object_info_extended(sha1, NULL,
+ flags | OBJECT_INFO_SKIP_CACHED) >= 0;
}
int has_object_file(const struct object_id *oid)
*/
if ((type == OBJ_BLOB) && path) {
struct strbuf nbuf = STRBUF_INIT;
- if (convert_to_git(path, buf, size, &nbuf,
+ if (convert_to_git(&the_index, path, buf, size, &nbuf,
write_object ? safe_crlf : SAFE_CRLF_FALSE)) {
buf = strbuf_detach(&nbuf, &size);
re_allocated = 1;
assert(path);
assert(would_convert_to_git_filter_fd(path));
- convert_to_git_filter_fd(path, fd, &sbuf,
+ convert_to_git_filter_fd(&the_index, path, fd, &sbuf,
write_object ? safe_crlf : SAFE_CRLF_FALSE);
if (write_object)
else if (!S_ISREG(st->st_mode))
ret = index_pipe(sha1, fd, type, path, flags);
else if (st->st_size <= big_file_threshold || type != OBJ_BLOB ||
- (path && would_convert_to_git(path)))
+ (path && would_convert_to_git(&the_index, path)))
ret = index_core(sha1, fd, xsize_t(st->st_size), type, path,
flags);
else
typename(expect));
}
-static int for_each_file_in_obj_subdir(int subdir_nr,
- struct strbuf *path,
- each_loose_object_fn obj_cb,
- each_loose_cruft_fn cruft_cb,
- each_loose_subdir_fn subdir_cb,
- void *data)
+int for_each_file_in_obj_subdir(unsigned int subdir_nr,
+ struct strbuf *path,
+ each_loose_object_fn obj_cb,
+ each_loose_cruft_fn cruft_cb,
+ each_loose_subdir_fn subdir_cb,
+ void *data)
{
- size_t baselen = path->len;
- DIR *dir = opendir(path->buf);
+ size_t origlen, baselen;
+ DIR *dir;
struct dirent *de;
int r = 0;
+ if (subdir_nr > 0xff)
+ BUG("invalid loose object subdirectory: %x", subdir_nr);
+
+ origlen = path->len;
+ strbuf_complete(path, '/');
+ strbuf_addf(path, "%02x", subdir_nr);
+ baselen = path->len;
+
+ dir = opendir(path->buf);
if (!dir) {
- if (errno == ENOENT)
- return 0;
- return error_errno("unable to open %s", path->buf);
+ if (errno != ENOENT)
+ r = error_errno("unable to open %s", path->buf);
+ strbuf_setlen(path, origlen);
+ return r;
}
while ((de = readdir(dir))) {
if (!r && subdir_cb)
r = subdir_cb(subdir_nr, path->buf, data);
+ strbuf_setlen(path, origlen);
+
return r;
}
each_loose_subdir_fn subdir_cb,
void *data)
{
- size_t baselen = path->len;
int r = 0;
int i;
for (i = 0; i < 256; i++) {
- strbuf_addf(path, "/%02x", i);
r = for_each_file_in_obj_subdir(i, path, obj_cb, cruft_cb,
subdir_cb, data);
- strbuf_setlen(path, baselen);
if (r)
break;
}