static int need_to_gc(void)
{
/*
* Setting gc.auto to 0 or negative can disable the
* automatic gc.
*/
if (gc_auto_threshold <= 0)
return 0;
/*
* If there are too many loose objects, but not too many
* packs, we run "repack -d -l". If there are too many packs,
* we run "repack -A -d -l". Otherwise we tell the caller
* there is no need.
*/
if (too_many_packs())
add_repack_all_option();
else if (too_many_loose_objects())
add_repack_incremental_option();
else
return 0;
if (run_hook_le(NULL, "pre-auto-gc", NULL))
return 0;
return 1;
}
static int need_to_gc(void)
{
/*
* Setting gc.auto to 0 or negative can disable the
* automatic gc.
*/
if (gc_auto_threshold <= 0)
return 0;
/*
* If there are too many loose objects, but not too many
* packs, we run "repack -d -l". If there are too many packs,
* we run "repack -A -d -l". Otherwise we tell the caller
* there is no need.
*/
if (too_many_packs()) {
struct string_list keep_pack = STRING_LIST_INIT_NODUP;
if (big_pack_threshold) {
find_base_packs(&keep_pack, big_pack_threshold);
if (keep_pack.nr >= gc_auto_pack_limit) {
big_pack_threshold = 0;
string_list_clear(&keep_pack, 0);
find_base_packs(&keep_pack, 0);
}
} else {
struct packed_git *p = find_base_packs(&keep_pack, 0);
uint64_t mem_have, mem_want;
mem_have = total_ram();
mem_want = estimate_repack_memory(p);
/*
* Only allow 1/2 of memory for pack-objects, leave
* the rest for the OS and other processes in the
* system.
*/
if (!mem_have || mem_want < mem_have / 2)
string_list_clear(&keep_pack, 0);
}
add_repack_all_option(&keep_pack);
string_list_clear(&keep_pack, 0);
} else if (too_many_loose_objects())
add_repack_incremental_option();
else
return 0;
if (run_hook_le(NULL, "pre-auto-gc", NULL))
return 0;
return 1;
}
int cmd_gc(int argc, const char **argv, const char *prefix)
{
int aggressive = 0;
int auto_gc = 0;
int quiet = 0;
int force = 0;
const char *name;
pid_t pid;
struct option builtin_gc_options[] = {
OPT__QUIET(&quiet, N_("suppress progress reporting")),
{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
N_("prune unreferenced objects"),
PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
OPT_BOOL(0, "auto", &auto_gc, N_("enable auto-gc mode")),
OPT_BOOL(0, "force", &force, N_("force running gc even if there may be another gc running")),
OPT_END()
};
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_gc_usage, builtin_gc_options);
argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
argv_array_pushl(&prune, "prune", "--expire", NULL );
argv_array_pushl(&rerere, "rerere", "gc", NULL);
git_config(gc_config, NULL);
if (pack_refs < 0)
pack_refs = !is_bare_repository();
argc = parse_options(argc, argv, prefix, builtin_gc_options,
builtin_gc_usage, 0);
if (argc > 0)
usage_with_options(builtin_gc_usage, builtin_gc_options);
if (aggressive) {
argv_array_push(&repack, "-f");
argv_array_push(&repack, "--depth=250");
if (aggressive_window > 0)
argv_array_pushf(&repack, "--window=%d", aggressive_window);
}
if (quiet)
argv_array_push(&repack, "-q");
if (auto_gc) {
/*
* Auto-gc should be least intrusive as possible.
*/
if (!need_to_gc())
return 0;
if (!quiet)
fprintf(stderr,
_("Auto packing the repository for optimum performance. You may also\n"
"run \"git gc\" manually. See "
"\"git help gc\" for more information.\n"));
} else
add_repack_all_option();
name = lock_repo_for_gc(force, &pid);
if (name) {
if (auto_gc)
return 0; /* be quiet on --auto */
die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"),
name, (uintmax_t)pid);
}
if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD))
return error(FAILED_RUN, pack_refs_cmd.argv[0]);
if (run_command_v_opt(reflog.argv, RUN_GIT_CMD))
return error(FAILED_RUN, reflog.argv[0]);
if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
return error(FAILED_RUN, repack.argv[0]);
if (prune_expire) {
argv_array_push(&prune, prune_expire);
if (quiet)
argv_array_push(&prune, "--no-progress");
if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
return error(FAILED_RUN, prune.argv[0]);
}
if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
return error(FAILED_RUN, rerere.argv[0]);
if (auto_gc && too_many_loose_objects())
warning(_("There are too many unreachable loose objects; "
"run 'git prune' to remove them."));
return 0;
}
int cmd_gc(int argc, const char **argv, const char *prefix)
{
int aggressive = 0;
int auto_gc = 0;
int quiet = 0;
int force = 0;
const char *name;
pid_t pid;
int daemonized = 0;
int keep_base_pack = -1;
timestamp_t dummy;
struct option builtin_gc_options[] = {
OPT__QUIET(&quiet, N_("suppress progress reporting")),
{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
N_("prune unreferenced objects"),
PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
OPT_BOOL_F(0, "auto", &auto_gc, N_("enable auto-gc mode"),
PARSE_OPT_NOCOMPLETE),
OPT_BOOL_F(0, "force", &force,
N_("force running gc even if there may be another gc running"),
PARSE_OPT_NOCOMPLETE),
OPT_BOOL(0, "keep-largest-pack", &keep_base_pack,
N_("repack all other packs except the largest pack")),
OPT_END()
};
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_gc_usage, builtin_gc_options);
argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
argv_array_pushl(&prune, "prune", "--expire", NULL);
argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
argv_array_pushl(&rerere, "rerere", "gc", NULL);
/* default expiry time, overwritten in gc_config */
gc_config();
if (parse_expiry_date(gc_log_expire, &gc_log_expire_time))
die(_("failed to parse gc.logexpiry value %s"), gc_log_expire);
if (pack_refs < 0)
pack_refs = !is_bare_repository();
argc = parse_options(argc, argv, prefix, builtin_gc_options,
builtin_gc_usage, 0);
if (argc > 0)
usage_with_options(builtin_gc_usage, builtin_gc_options);
if (prune_expire && parse_expiry_date(prune_expire, &dummy))
die(_("failed to parse prune expiry value %s"), prune_expire);
if (aggressive) {
argv_array_push(&repack, "-f");
if (aggressive_depth > 0)
argv_array_pushf(&repack, "--depth=%d", aggressive_depth);
if (aggressive_window > 0)
argv_array_pushf(&repack, "--window=%d", aggressive_window);
}
if (quiet)
argv_array_push(&repack, "-q");
if (auto_gc) {
/*
* Auto-gc should be least intrusive as possible.
*/
if (!need_to_gc())
return 0;
if (!quiet) {
if (detach_auto)
fprintf(stderr, _("Auto packing the repository in background for optimum performance.\n"));
else
fprintf(stderr, _("Auto packing the repository for optimum performance.\n"));
fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n"));
}
if (detach_auto) {
int ret = report_last_gc_error();
if (ret < 0)
/* an I/O error occured, already reported */
exit(128);
if (ret == 1)
/* Last gc --auto failed. Skip this one. */
return 0;
if (lock_repo_for_gc(force, &pid))
return 0;
gc_before_repack(); /* dies on failure */
delete_tempfile(&pidfile);
/*
* failure to daemonize is ok, we'll continue
* in foreground
*/
daemonized = !daemonize();
}
} else {
struct string_list keep_pack = STRING_LIST_INIT_NODUP;
if (keep_base_pack != -1) {
if (keep_base_pack)
find_base_packs(&keep_pack, 0);
} else if (big_pack_threshold) {
find_base_packs(&keep_pack, big_pack_threshold);
}
add_repack_all_option(&keep_pack);
string_list_clear(&keep_pack, 0);
}
name = lock_repo_for_gc(force, &pid);
if (name) {
if (auto_gc)
return 0; /* be quiet on --auto */
die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"),
name, (uintmax_t)pid);
}
if (daemonized) {
hold_lock_file_for_update(&log_lock,
git_path("gc.log"),
LOCK_DIE_ON_ERROR);
dup2(get_lock_file_fd(&log_lock), 2);
sigchain_push_common(process_log_file_on_signal);
atexit(process_log_file_at_exit);
}
gc_before_repack();
if (!repository_format_precious_objects) {
close_all_packs(the_repository->objects);
if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
die(FAILED_RUN, repack.argv[0]);
if (prune_expire) {
argv_array_push(&prune, prune_expire);
if (quiet)
argv_array_push(&prune, "--no-progress");
if (repository_format_partial_clone)
argv_array_push(&prune,
"--exclude-promisor-objects");
if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
die(FAILED_RUN, prune.argv[0]);
}
}
if (prune_worktrees_expire) {
argv_array_push(&prune_worktrees, prune_worktrees_expire);
if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD))
die(FAILED_RUN, prune_worktrees.argv[0]);
}
if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
die(FAILED_RUN, rerere.argv[0]);
report_garbage = report_pack_garbage;
reprepare_packed_git(the_repository);
if (pack_garbage.nr > 0)
clean_pack_garbage();
if (gc_write_commit_graph)
write_commit_graph_reachable(get_object_directory(), 0,
!quiet && !daemonized);
if (auto_gc && too_many_loose_objects())
warning(_("There are too many unreachable loose objects; "
"run 'git prune' to remove them."));
if (!daemonized)
unlink(git_path("gc.log"));
return 0;
}
int cmd_gc(int argc, const char **argv, const char *prefix)
{
int aggressive = 0;
int auto_gc = 0;
int quiet = 0;
int force = 0;
const char *name;
pid_t pid;
int daemonized = 0;
struct option builtin_gc_options[] = {
OPT__QUIET(&quiet, N_("suppress progress reporting")),
{ OPTION_STRING, 0, "prune", &prune_expire, N_("date"),
N_("prune unreferenced objects"),
PARSE_OPT_OPTARG, NULL, (intptr_t)prune_expire },
OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")),
OPT_BOOL(0, "auto", &auto_gc, N_("enable auto-gc mode")),
OPT_BOOL(0, "force", &force, N_("force running gc even if there may be another gc running")),
OPT_END()
};
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_gc_usage, builtin_gc_options);
argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
argv_array_pushl(&prune, "prune", "--expire", NULL);
argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
argv_array_pushl(&rerere, "rerere", "gc", NULL);
gc_config();
if (pack_refs < 0)
pack_refs = !is_bare_repository();
argc = parse_options(argc, argv, prefix, builtin_gc_options,
builtin_gc_usage, 0);
if (argc > 0)
usage_with_options(builtin_gc_usage, builtin_gc_options);
if (aggressive) {
argv_array_push(&repack, "-f");
if (aggressive_depth > 0)
argv_array_pushf(&repack, "--depth=%d", aggressive_depth);
if (aggressive_window > 0)
argv_array_pushf(&repack, "--window=%d", aggressive_window);
}
if (quiet)
argv_array_push(&repack, "-q");
if (auto_gc) {
/*
* Auto-gc should be least intrusive as possible.
*/
if (!need_to_gc())
return 0;
if (!quiet) {
if (detach_auto)
fprintf(stderr, _("Auto packing the repository in background for optimum performance.\n"));
else
fprintf(stderr, _("Auto packing the repository for optimum performance.\n"));
fprintf(stderr, _("See \"git help gc\" for manual housekeeping.\n"));
}
if (detach_auto) {
if (report_last_gc_error())
return -1;
if (gc_before_repack())
return -1;
/*
* failure to daemonize is ok, we'll continue
* in foreground
*/
daemonized = !daemonize();
}
} else
add_repack_all_option();
name = lock_repo_for_gc(force, &pid);
if (name) {
if (auto_gc)
return 0; /* be quiet on --auto */
die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"),
name, (uintmax_t)pid);
}
if (daemonized) {
hold_lock_file_for_update(&log_lock,
git_path("gc.log"),
LOCK_DIE_ON_ERROR);
dup2(get_lock_file_fd(&log_lock), 2);
sigchain_push_common(process_log_file_on_signal);
atexit(process_log_file_at_exit);
}
if (gc_before_repack())
return -1;
if (!repository_format_precious_objects) {
if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
return error(FAILED_RUN, repack.argv[0]);
if (prune_expire) {
argv_array_push(&prune, prune_expire);
if (quiet)
argv_array_push(&prune, "--no-progress");
if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
return error(FAILED_RUN, prune.argv[0]);
}
}
if (prune_worktrees_expire) {
argv_array_push(&prune_worktrees, prune_worktrees_expire);
if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD))
return error(FAILED_RUN, prune_worktrees.argv[0]);
}
if (run_command_v_opt(rerere.argv, RUN_GIT_CMD))
return error(FAILED_RUN, rerere.argv[0]);
report_garbage = report_pack_garbage;
reprepare_packed_git();
if (pack_garbage.nr > 0)
clean_pack_garbage();
if (auto_gc && too_many_loose_objects())
warning(_("There are too many unreachable loose objects; "
"run 'git prune' to remove them."));
return 0;
}
