Welcome to mirror list, hosted at ThFree Co, Russian Federation.

git.kernel.org/pub/scm/git/git.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/packfile.c
diff options
context:
space:
mode:
Diffstat (limited to 'packfile.c')
-rw-r--r--packfile.c111
1 files changed, 52 insertions, 59 deletions
diff --git a/packfile.c b/packfile.c
index 1556a5c3f3..a41887c944 100644
--- a/packfile.c
+++ b/packfile.c
@@ -116,7 +116,7 @@ int load_idx(const char *path, const unsigned int hashsz, void *idx_map,
if (idx_size < 4 * 256 + hashsz + hashsz)
return error("index file %s is too small", path);
- if (idx_map == NULL)
+ if (!idx_map)
return error("empty data");
if (hdr->idx_signature == htonl(PACK_IDX_SIGNATURE)) {
@@ -324,7 +324,8 @@ void close_pack_index(struct packed_git *p)
}
}
-void close_pack_revindex(struct packed_git *p) {
+static void close_pack_revindex(struct packed_git *p)
+{
if (!p->revindex_map)
return;
@@ -333,12 +334,23 @@ void close_pack_revindex(struct packed_git *p) {
p->revindex_data = NULL;
}
+static void close_pack_mtimes(struct packed_git *p)
+{
+ if (!p->mtimes_map)
+ return;
+
+ munmap((void *)p->mtimes_map, p->mtimes_size);
+ p->mtimes_map = NULL;
+}
+
void close_pack(struct packed_git *p)
{
close_pack_windows(p);
close_pack_fd(p);
close_pack_index(p);
close_pack_revindex(p);
+ close_pack_mtimes(p);
+ oidset_clear(&p->bad_objects);
}
void close_object_store(struct raw_object_store *o)
@@ -361,7 +373,7 @@ void close_object_store(struct raw_object_store *o)
void unlink_pack_path(const char *pack_name, int force_delete)
{
- static const char *exts[] = {".pack", ".idx", ".rev", ".keep", ".bitmap", ".promisor"};
+ static const char *exts[] = {".pack", ".idx", ".rev", ".keep", ".bitmap", ".promisor", ".mtimes"};
int i;
struct strbuf buf = STRBUF_INIT;
size_t plen;
@@ -652,8 +664,8 @@ unsigned char *use_pack(struct packed_git *p,
PROT_READ, MAP_PRIVATE,
p->pack_fd, win->offset);
if (win->base == MAP_FAILED)
- die_errno("packfile %s cannot be mapped",
- p->pack_name);
+ die_errno(_("packfile %s cannot be mapped%s"),
+ p->pack_name, mmap_os_err());
if (!win->offset && win->len == p->pack_size
&& !p->do_not_close)
close_pack_fd(p);
@@ -716,6 +728,10 @@ struct packed_git *add_packed_git(const char *path, size_t path_len, int local)
if (!access(p->pack_name, F_OK))
p->pack_promisor = 1;
+ xsnprintf(p->pack_name + path_len, alloc - path_len, ".mtimes");
+ if (!access(p->pack_name, F_OK))
+ p->is_cruft = 1;
+
xsnprintf(p->pack_name + path_len, alloc - path_len, ".pack");
if (stat(p->pack_name, &st) || !S_ISREG(st.st_mode)) {
free(p);
@@ -813,10 +829,7 @@ void for_each_file_in_pack_dir(const char *objdir,
}
strbuf_addch(&path, '/');
dirnamelen = path.len;
- while ((de = readdir(dir)) != NULL) {
- if (is_dot_or_dotdot(de->d_name))
- continue;
-
+ while ((de = readdir_skip_dot_and_dotdot(dir)) != NULL) {
strbuf_setlen(&path, dirnamelen);
strbuf_addstr(&path, de->d_name);
@@ -863,14 +876,15 @@ static void prepare_pack(const char *full_name, size_t full_name_len,
if (!strcmp(file_name, "multi-pack-index"))
return;
if (starts_with(file_name, "multi-pack-index") &&
- ends_with(file_name, ".rev"))
+ (ends_with(file_name, ".bitmap") || ends_with(file_name, ".rev")))
return;
if (ends_with(file_name, ".idx") ||
ends_with(file_name, ".rev") ||
ends_with(file_name, ".pack") ||
ends_with(file_name, ".bitmap") ||
ends_with(file_name, ".keep") ||
- ends_with(file_name, ".promisor"))
+ ends_with(file_name, ".promisor") ||
+ ends_with(file_name, ".mtimes"))
string_list_append(data->garbage, full_name);
else
report_garbage(PACKDIR_FILE_GARBAGE, full_name);
@@ -927,20 +941,10 @@ unsigned long repo_approximate_object_count(struct repository *r)
return r->objects->approximate_object_count;
}
-static void *get_next_packed_git(const void *p)
-{
- return ((const struct packed_git *)p)->next;
-}
-
-static void set_next_packed_git(void *p, void *next)
-{
- ((struct packed_git *)p)->next = next;
-}
+DEFINE_LIST_SORT(static, sort_packs, struct packed_git, next);
-static int sort_pack(const void *a_, const void *b_)
+static int sort_pack(const struct packed_git *a, const struct packed_git *b)
{
- const struct packed_git *a = a_;
- const struct packed_git *b = b_;
int st;
/*
@@ -967,9 +971,7 @@ static int sort_pack(const void *a_, const void *b_)
static void rearrange_packed_git(struct repository *r)
{
- r->objects->packed_git = llist_mergesort(
- r->objects->packed_git, get_next_packed_git,
- set_next_packed_git, sort_pack);
+ sort_packs(&r->objects->packed_git, sort_pack);
}
static void prepare_packed_git_mru(struct repository *r)
@@ -1062,7 +1064,7 @@ unsigned long unpack_object_header_buffer(const unsigned char *buf,
unsigned long len, enum object_type *type, unsigned long *sizep)
{
unsigned shift;
- unsigned long size, c;
+ size_t size, c;
unsigned long used = 0;
c = buf[used++];
@@ -1070,16 +1072,16 @@ unsigned long unpack_object_header_buffer(const unsigned char *buf,
size = c & 15;
shift = 4;
while (c & 0x80) {
- if (len <= used || bitsizeof(long) <= shift) {
+ if (len <= used || (bitsizeof(long) - 7) < shift) {
error("bad object header");
size = used = 0;
break;
}
c = buf[used++];
- size += (c & 0x7f) << shift;
+ size = st_add(size, st_left_shift(c & 0x7f, shift));
shift += 7;
}
- *sizep = size;
+ *sizep = cast_size_t_to_ulong(size);
return used;
}
@@ -1164,31 +1166,19 @@ int unpack_object_header(struct packed_git *p,
return type;
}
-void mark_bad_packed_object(struct packed_git *p, const unsigned char *sha1)
+void mark_bad_packed_object(struct packed_git *p, const struct object_id *oid)
{
- unsigned i;
- const unsigned hashsz = the_hash_algo->rawsz;
- for (i = 0; i < p->num_bad_objects; i++)
- if (hasheq(sha1, p->bad_object_sha1 + hashsz * i))
- return;
- p->bad_object_sha1 = xrealloc(p->bad_object_sha1,
- st_mult(GIT_MAX_RAWSZ,
- st_add(p->num_bad_objects, 1)));
- hashcpy(p->bad_object_sha1 + hashsz * p->num_bad_objects, sha1);
- p->num_bad_objects++;
+ oidset_insert(&p->bad_objects, oid);
}
const struct packed_git *has_packed_and_bad(struct repository *r,
- const unsigned char *sha1)
+ const struct object_id *oid)
{
struct packed_git *p;
- unsigned i;
for (p = r->objects->packed_git; p; p = p->next)
- for (i = 0; i < p->num_bad_objects; i++)
- if (hasheq(sha1,
- p->bad_object_sha1 + the_hash_algo->rawsz * i))
- return p;
+ if (oidset_contains(&p->bad_objects, oid))
+ return p;
return NULL;
}
@@ -1275,7 +1265,7 @@ static int retry_bad_packed_offset(struct repository *r,
if (offset_to_pack_pos(p, obj_offset, &pos) < 0)
return OBJ_BAD;
nth_packed_object_id(&oid, p, pack_pos_to_index(p, pos));
- mark_bad_packed_object(p, oid.hash);
+ mark_bad_packed_object(p, &oid);
type = oid_object_info(r, &oid, NULL);
if (type <= OBJ_NONE)
return OBJ_BAD;
@@ -1725,7 +1715,7 @@ void *unpack_entry(struct repository *r, struct packed_git *p, off_t obj_offset,
nth_packed_object_id(&oid, p, index_pos);
error("bad packed object CRC for %s",
oid_to_hex(&oid));
- mark_bad_packed_object(p, oid.hash);
+ mark_bad_packed_object(p, &oid);
data = NULL;
goto out;
}
@@ -1814,7 +1804,7 @@ void *unpack_entry(struct repository *r, struct packed_git *p, off_t obj_offset,
" at offset %"PRIuMAX" from %s",
oid_to_hex(&base_oid), (uintmax_t)obj_offset,
p->pack_name);
- mark_bad_packed_object(p, base_oid.hash);
+ mark_bad_packed_object(p, &base_oid);
base = read_object(r, &base_oid, &type, &base_size);
external_base = base;
}
@@ -2019,13 +2009,9 @@ static int fill_pack_entry(const struct object_id *oid,
{
off_t offset;
- if (p->num_bad_objects) {
- unsigned i;
- for (i = 0; i < p->num_bad_objects; i++)
- if (hasheq(oid->hash,
- p->bad_object_sha1 + the_hash_algo->rawsz * i))
- return 0;
- }
+ if (oidset_size(&p->bad_objects) &&
+ oidset_contains(&p->bad_objects, oid))
+ return 0;
offset = find_pack_entry_one(oid->hash, p);
if (!offset)
@@ -2208,6 +2194,12 @@ int for_each_packed_object(each_packed_object_fn cb, void *data,
if ((flags & FOR_EACH_OBJECT_PROMISOR_ONLY) &&
!p->pack_promisor)
continue;
+ if ((flags & FOR_EACH_OBJECT_SKIP_IN_CORE_KEPT_PACKS) &&
+ p->pack_keep_in_core)
+ continue;
+ if ((flags & FOR_EACH_OBJECT_SKIP_ON_DISK_KEPT_PACKS) &&
+ p->pack_keep)
+ continue;
if (open_pack_index(p)) {
pack_errors = 1;
continue;
@@ -2249,7 +2241,7 @@ static int add_promisor_object(const struct object_id *oid,
struct tree *tree = (struct tree *)obj;
struct tree_desc desc;
struct name_entry entry;
- if (init_tree_desc_gently(&desc, tree->buffer, tree->size))
+ if (init_tree_desc_gently(&desc, tree->buffer, tree->size, 0))
/*
* Error messages are given when packs are
* verified, so do not print any here.
@@ -2282,7 +2274,8 @@ int is_promisor_object(const struct object_id *oid)
if (has_promisor_remote()) {
for_each_packed_object(add_promisor_object,
&promisor_objects,
- FOR_EACH_OBJECT_PROMISOR_ONLY);
+ FOR_EACH_OBJECT_PROMISOR_ONLY |
+ FOR_EACH_OBJECT_PACK_ORDER);
}
promisor_objects_prepared = 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-30 14:34:14 +0300