#include "object-store.h"
#include "dir.h"
#include "midx.h"
+#include "trace2.h"
#define IN_PACK(obj) oe_in_pack(&to_pack, obj)
#define SIZE(obj) oe_size(&to_pack, obj)
static int depth = 50;
static int delta_search_threads;
static int pack_to_stdout;
+static int sparse;
static int thin;
static int num_preferred_base;
static struct progress *progress_state;
if (!check)
check = attr_check_initl("delta", NULL);
- git_check_attr(&the_index, path, check);
+ git_check_attr(the_repository->index, path, check);
if (ATTR_FALSE(check->items[0].value))
return 1;
return 0;
struct object_entry **base_out)
{
struct object_entry *base;
+ struct object_id base_oid;
if (!base_sha1)
return 0;
* even if it was buried too deep in history to make it into the
* packing list.
*/
- if (thin && bitmap_has_sha1_in_uninteresting(bitmap_git, base_sha1)) {
+ oidread(&base_oid, base_sha1);
+ if (thin && bitmap_has_oid_in_uninteresting(bitmap_git, &base_oid)) {
if (use_delta_islands) {
- struct object_id base_oid;
- hashcpy(base_oid.hash, base_sha1);
if (!in_same_island(&delta->idx.oid, &base_oid))
return 0;
}
/*
* No choice but to fall back to the recursive delta walk
- * with sha1_object_info() to find about the object type
+ * with oid_object_info() to find about the object type
* at this point...
*/
give_up:
if (packed_object_info(the_repository, IN_PACK(entry), entry->in_pack_offset, &oi) < 0) {
/*
* We failed to get the info from this pack for some reason;
- * fall back to sha1_object_info, which may find another copy.
+ * fall back to oid_object_info, which may find another copy.
* And if that fails, the error will be recorded in oe_type(entry)
* and dealt with in prepare_pack().
*/
{
const struct object_entry *a = *(struct object_entry **)_a;
const struct object_entry *b = *(struct object_entry **)_b;
- enum object_type a_type = oe_type(a);
- enum object_type b_type = oe_type(b);
- unsigned long a_size = SIZE(a);
- unsigned long b_size = SIZE(b);
+ const enum object_type a_type = oe_type(a);
+ const enum object_type b_type = oe_type(b);
+ const unsigned long a_size = SIZE(a);
+ const unsigned long b_size = SIZE(b);
if (a_type > b_type)
return -1;
if (a->preferred_base < b->preferred_base)
return 1;
if (use_delta_islands) {
- int island_cmp = island_delta_cmp(&a->idx.oid, &b->idx.oid);
+ const int island_cmp = island_delta_cmp(&a->idx.oid, &b->idx.oid);
if (island_cmp)
return island_cmp;
}
return 0;
}
-/* Protect access to object database */
-static pthread_mutex_t read_mutex;
-#define read_lock() pthread_mutex_lock(&read_mutex)
-#define read_unlock() pthread_mutex_unlock(&read_mutex)
-
/* Protect delta_cache_size */
static pthread_mutex_t cache_mutex;
#define cache_lock() pthread_mutex_lock(&cache_mutex)
unsigned long used, avail, size;
if (e->type_ != OBJ_OFS_DELTA && e->type_ != OBJ_REF_DELTA) {
- read_lock();
+ packing_data_lock(&to_pack);
if (oid_object_info(the_repository, &e->idx.oid, &size) < 0)
die(_("unable to get size of %s"),
oid_to_hex(&e->idx.oid));
- read_unlock();
+ packing_data_unlock(&to_pack);
return size;
}
if (!p)
BUG("when e->type is a delta, it must belong to a pack");
- read_lock();
+ packing_data_lock(&to_pack);
w_curs = NULL;
buf = use_pack(p, &w_curs, e->in_pack_offset, &avail);
used = unpack_object_header_buffer(buf, avail, &type, &size);
oid_to_hex(&e->idx.oid));
unuse_pack(&w_curs);
- read_unlock();
+ packing_data_unlock(&to_pack);
return size;
}
/* Load data if not already done */
if (!trg->data) {
- read_lock();
+ packing_data_lock(&to_pack);
trg->data = read_object_file(&trg_entry->idx.oid, &type, &sz);
- read_unlock();
+ packing_data_unlock(&to_pack);
if (!trg->data)
die(_("object %s cannot be read"),
oid_to_hex(&trg_entry->idx.oid));
*mem_usage += sz;
}
if (!src->data) {
- read_lock();
+ packing_data_lock(&to_pack);
src->data = read_object_file(&src_entry->idx.oid, &type, &sz);
- read_unlock();
+ packing_data_unlock(&to_pack);
if (!src->data) {
if (src_entry->preferred_base) {
static int warned = 0;
struct object_entry *child = DELTA_CHILD(me);
unsigned int m = n;
while (child) {
- unsigned int c = check_delta_limit(child, n + 1);
+ const unsigned int c = check_delta_limit(child, n + 1);
if (m < c)
m = c;
child = DELTA_SIBLING(child);
while (window_memory_limit &&
mem_usage > window_memory_limit &&
count > 1) {
- uint32_t tail = (idx + window - count) % window;
+ const uint32_t tail = (idx + window - count) % window;
mem_usage -= free_unpacked(array + tail);
count--;
}
static void try_to_free_from_threads(size_t size)
{
- read_lock();
+ packing_data_lock(&to_pack);
release_pack_memory(size);
- read_unlock();
+ packing_data_unlock(&to_pack);
}
static try_to_free_t old_try_to_free_routine;
*/
static void init_threaded_search(void)
{
- init_recursive_mutex(&read_mutex);
pthread_mutex_init(&cache_mutex, NULL);
pthread_mutex_init(&progress_mutex, NULL);
pthread_cond_init(&progress_cond, NULL);
{
set_try_to_free_routine(old_try_to_free_routine);
pthread_cond_destroy(&progress_cond);
- pthread_mutex_destroy(&read_mutex);
pthread_mutex_destroy(&cache_mutex);
pthread_mutex_destroy(&progress_mutex);
}
use_bitmap_index_default = git_config_bool(k, v);
return 0;
}
+ if (!strcmp(k, "pack.usesparse")) {
+ sparse = git_config_bool(k, v);
+ return 0;
+ }
if (!strcmp(k, "pack.threads")) {
delta_search_threads = git_config_int(k, v);
if (delta_search_threads < 0)
if (prepare_revision_walk(&revs))
die(_("revision walk setup failed"));
- mark_edges_uninteresting(&revs, show_edge);
+ mark_edges_uninteresting(&revs, show_edge, sparse);
if (!fn_show_object)
fn_show_object = show_object;
{ OPTION_CALLBACK, 0, "unpack-unreachable", NULL, N_("time"),
N_("unpack unreachable objects newer than <time>"),
PARSE_OPT_OPTARG, option_parse_unpack_unreachable },
+ OPT_BOOL(0, "sparse", &sparse,
+ N_("use the sparse reachability algorithm")),
OPT_BOOL(0, "thin", &thin,
N_("create thin packs")),
OPT_BOOL(0, "shallow", &shallow,
read_replace_refs = 0;
+ sparse = git_env_bool("GIT_TEST_PACK_SPARSE", 0);
reset_pack_idx_option(&pack_idx_opts);
git_config(git_pack_config, NULL);
}
}
+ trace2_region_enter("pack-objects", "enumerate-objects",
+ the_repository);
prepare_packing_data(the_repository, &to_pack);
if (progress)
if (include_tag && nr_result)
for_each_ref(add_ref_tag, NULL);
stop_progress(&progress_state);
+ trace2_region_leave("pack-objects", "enumerate-objects",
+ the_repository);
if (non_empty && !nr_result)
return 0;
- if (nr_result)
+ if (nr_result) {
+ trace2_region_enter("pack-objects", "prepare-pack",
+ the_repository);
prepare_pack(window, depth);
+ trace2_region_leave("pack-objects", "prepare-pack",
+ the_repository);
+ }
+
+ trace2_region_enter("pack-objects", "write-pack-file", the_repository);
write_pack_file();
+ trace2_region_leave("pack-objects", "write-pack-file", the_repository);
+
if (progress)
fprintf_ln(stderr,
_("Total %"PRIu32" (delta %"PRIu32"),"