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-rw-r--r--builtin/pack-objects.c95
1 files changed, 76 insertions, 19 deletions
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 3eb86e0693..3f9f5c7760 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -20,6 +20,9 @@
#include "streaming.h"
#include "thread-utils.h"
#include "pack-bitmap.h"
+#include "reachable.h"
+#include "sha1-array.h"
+#include "argv-array.h"
static const char *pack_usage[] = {
N_("git pack-objects --stdout [options...] [< ref-list | < object-list]"),
@@ -89,8 +92,7 @@ static void index_commit_for_bitmap(struct commit *commit)
{
if (indexed_commits_nr >= indexed_commits_alloc) {
indexed_commits_alloc = (indexed_commits_alloc + 32) * 2;
- indexed_commits = xrealloc(indexed_commits,
- indexed_commits_alloc * sizeof(struct commit *));
+ REALLOC_ARRAY(indexed_commits, indexed_commits_alloc);
}
indexed_commits[indexed_commits_nr++] = commit;
@@ -1974,8 +1976,6 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size,
init_threaded_search();
- if (!delta_search_threads) /* --threads=0 means autodetect */
- delta_search_threads = online_cpus();
if (delta_search_threads <= 1) {
find_deltas(list, &list_size, window, depth, processed);
cleanup_threaded_search();
@@ -2409,6 +2409,27 @@ static int has_sha1_pack_kept_or_nonlocal(const unsigned char *sha1)
return 0;
}
+/*
+ * Store a list of sha1s that are should not be discarded
+ * because they are either written too recently, or are
+ * reachable from another object that was.
+ *
+ * This is filled by get_object_list.
+ */
+static struct sha1_array recent_objects;
+
+static int loosened_object_can_be_discarded(const unsigned char *sha1,
+ unsigned long mtime)
+{
+ if (!unpack_unreachable_expiration)
+ return 0;
+ if (mtime > unpack_unreachable_expiration)
+ return 0;
+ if (sha1_array_lookup(&recent_objects, sha1) >= 0)
+ return 0;
+ return 1;
+}
+
static void loosen_unused_packed_objects(struct rev_info *revs)
{
struct packed_git *p;
@@ -2419,17 +2440,14 @@ static void loosen_unused_packed_objects(struct rev_info *revs)
if (!p->pack_local || p->pack_keep)
continue;
- if (unpack_unreachable_expiration &&
- p->mtime < unpack_unreachable_expiration)
- continue;
-
if (open_pack_index(p))
die("cannot open pack index");
for (i = 0; i < p->num_objects; i++) {
sha1 = nth_packed_object_sha1(p, i);
if (!packlist_find(&to_pack, sha1, NULL) &&
- !has_sha1_pack_kept_or_nonlocal(sha1))
+ !has_sha1_pack_kept_or_nonlocal(sha1) &&
+ !loosened_object_can_be_discarded(sha1, p->mtime))
if (force_object_loose(sha1, p->mtime))
die("unable to force loose object");
}
@@ -2465,6 +2483,19 @@ static int get_object_list_from_bitmap(struct rev_info *revs)
return 0;
}
+static void record_recent_object(struct object *obj,
+ const struct name_path *path,
+ const char *last,
+ void *data)
+{
+ sha1_array_append(&recent_objects, obj->sha1);
+}
+
+static void record_recent_commit(struct commit *commit, void *data)
+{
+ sha1_array_append(&recent_objects, commit->object.sha1);
+}
+
static void get_object_list(int ac, const char **av)
{
struct rev_info revs;
@@ -2512,10 +2543,23 @@ static void get_object_list(int ac, const char **av)
mark_edges_uninteresting(&revs, show_edge);
traverse_commit_list(&revs, show_commit, show_object, NULL);
+ if (unpack_unreachable_expiration) {
+ revs.ignore_missing_links = 1;
+ if (add_unseen_recent_objects_to_traversal(&revs,
+ unpack_unreachable_expiration))
+ die("unable to add recent objects");
+ if (prepare_revision_walk(&revs))
+ die("revision walk setup failed");
+ traverse_commit_list(&revs, record_recent_commit,
+ record_recent_object, NULL);
+ }
+
if (keep_unreachable)
add_objects_in_unpacked_packs(&revs);
if (unpack_unreachable)
loosen_unused_packed_objects(&revs);
+
+ sha1_array_clear(&recent_objects);
}
static int option_parse_index_version(const struct option *opt,
@@ -2570,9 +2614,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
int use_internal_rev_list = 0;
int thin = 0;
int all_progress_implied = 0;
- const char *rp_av[6];
- int rp_ac = 0;
+ struct argv_array rp = ARGV_ARRAY_INIT;
int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0;
+ int rev_list_index = 0;
struct option pack_objects_options[] = {
OPT_SET_INT('q', "quiet", &progress,
N_("do not show progress meter"), 0),
@@ -2619,6 +2663,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
{ OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL,
N_("include objects referred by reflog entries"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ { OPTION_SET_INT, 0, "indexed-objects", &rev_list_index, NULL,
+ N_("include objects referred to by the index"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
OPT_BOOL(0, "stdout", &pack_to_stdout,
N_("output pack to stdout")),
OPT_BOOL(0, "include-tag", &include_tag,
@@ -2661,24 +2708,28 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (pack_to_stdout != !base_name || argc)
usage_with_options(pack_usage, pack_objects_options);
- rp_av[rp_ac++] = "pack-objects";
+ argv_array_push(&rp, "pack-objects");
if (thin) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--objects-edge";
+ argv_array_push(&rp, "--objects-edge");
} else
- rp_av[rp_ac++] = "--objects";
+ argv_array_push(&rp, "--objects");
if (rev_list_all) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--all";
+ argv_array_push(&rp, "--all");
}
if (rev_list_reflog) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--reflog";
+ argv_array_push(&rp, "--reflog");
+ }
+ if (rev_list_index) {
+ use_internal_rev_list = 1;
+ argv_array_push(&rp, "--indexed-objects");
}
if (rev_list_unpacked) {
use_internal_rev_list = 1;
- rp_av[rp_ac++] = "--unpacked";
+ argv_array_push(&rp, "--unpacked");
}
if (!reuse_object)
@@ -2687,6 +2738,10 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
pack_compression_level = Z_DEFAULT_COMPRESSION;
else if (pack_compression_level < 0 || pack_compression_level > Z_BEST_COMPRESSION)
die("bad pack compression level %d", pack_compression_level);
+
+ if (!delta_search_threads) /* --threads=0 means autodetect */
+ delta_search_threads = online_cpus();
+
#ifdef NO_PTHREADS
if (delta_search_threads != 1)
warning("no threads support, ignoring --threads");
@@ -2705,6 +2760,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (keep_unreachable && unpack_unreachable)
die("--keep-unreachable and --unpack-unreachable are incompatible.");
+ if (!rev_list_all || !rev_list_reflog || !rev_list_index)
+ unpack_unreachable_expiration = 0;
if (!use_internal_rev_list || !pack_to_stdout || is_repository_shallow())
use_bitmap_index = 0;
@@ -2722,8 +2779,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (!use_internal_rev_list)
read_object_list_from_stdin();
else {
- rp_av[rp_ac] = NULL;
- get_object_list(rp_ac, rp_av);
+ get_object_list(rp.argc, rp.argv);
+ argv_array_clear(&rp);
}
cleanup_preferred_base();
if (include_tag && nr_result)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 03:44:42 +0000