*/
#include "builtin.h"
+#include "config.h"
#include "tempfile.h"
#include "lockfile.h"
#include "parse-options.h"
#include "sigchain.h"
#include "argv-array.h"
#include "commit.h"
+#include "packfile.h"
#define FAILED_RUN "failed to run %s"
static int gc_auto_threshold = 6700;
static int gc_auto_pack_limit = 50;
static int detach_auto = 1;
+static timestamp_t gc_log_expire_time;
+static const char *gc_log_expire = "1.day.ago";
static const char *prune_expire = "2.weeks.ago";
static const char *prune_worktrees_expire = "3.months.ago";
static struct argv_array prune_worktrees = ARGV_ARRAY_INIT;
static struct argv_array rerere = ARGV_ARRAY_INIT;
-static struct tempfile pidfile;
+static struct tempfile *pidfile;
static struct lock_file log_lock;
static struct string_list pack_garbage = STRING_LIST_INIT_DUP;
string_list_append(&pack_garbage, path);
}
-static void git_config_date_string(const char *key, const char **output)
-{
- if (git_config_get_string_const(key, output))
- return;
- if (strcmp(*output, "now")) {
- unsigned long now = approxidate("now");
- if (approxidate(*output) >= now)
- git_die_config(key, _("Invalid %s: '%s'"), key, *output);
- }
-}
-
static void process_log_file(void)
{
struct stat st;
- if (!fstat(get_lock_file_fd(&log_lock), &st) && st.st_size)
+ if (fstat(get_lock_file_fd(&log_lock), &st)) {
+ /*
+ * Perhaps there was an i/o error or another
+ * unlikely situation. Try to make a note of
+ * this in gc.log along with any existing
+ * messages.
+ */
+ int saved_errno = errno;
+ fprintf(stderr, _("Failed to fstat %s: %s"),
+ get_tempfile_path(log_lock.tempfile),
+ strerror(saved_errno));
+ fflush(stderr);
commit_lock_file(&log_lock);
- else
+ errno = saved_errno;
+ } else if (st.st_size) {
+ /* There was some error recorded in the lock file */
+ commit_lock_file(&log_lock);
+ } else {
+ /* No error, clean up any old gc.log */
+ unlink(git_path("gc.log"));
rollback_lock_file(&log_lock);
+ }
}
static void process_log_file_at_exit(void)
git_config_get_int("gc.auto", &gc_auto_threshold);
git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit);
git_config_get_bool("gc.autodetach", &detach_auto);
- git_config_date_string("gc.pruneexpire", &prune_expire);
- git_config_date_string("gc.worktreepruneexpire", &prune_worktrees_expire);
+ git_config_get_expiry("gc.pruneexpire", &prune_expire);
+ git_config_get_expiry("gc.worktreepruneexpire", &prune_worktrees_expire);
+ git_config_get_expiry("gc.logexpiry", &gc_log_expire);
+
git_config(git_default_config, NULL);
}
* distributed, we can check only one and get a reasonable
* estimate.
*/
- char path[PATH_MAX];
- const char *objdir = get_object_directory();
DIR *dir;
struct dirent *ent;
int auto_threshold;
if (gc_auto_threshold <= 0)
return 0;
- if (sizeof(path) <= snprintf(path, sizeof(path), "%s/17", objdir)) {
- warning(_("insanely long object directory %.*s"), 50, objdir);
- return 0;
- }
- dir = opendir(path);
+ dir = opendir(git_path("objects/17"));
if (!dir)
return 0;
- auto_threshold = (gc_auto_threshold + 255) / 256;
+ auto_threshold = DIV_ROUND_UP(gc_auto_threshold, 256);
while ((ent = readdir(dir)) != NULL) {
if (strspn(ent->d_name, "0123456789abcdef") != 38 ||
ent->d_name[38] != '\0')
}
}
+static void add_repack_incremental_option(void)
+{
+ argv_array_push(&repack, "--no-write-bitmap-index");
+}
+
static int need_to_gc(void)
{
/*
*/
if (too_many_packs())
add_repack_all_option();
- else if (!too_many_loose_objects())
+ else if (too_many_loose_objects())
+ add_repack_incremental_option();
+ else
return 0;
if (run_hook_le(NULL, "pre-auto-gc", NULL))
int fd;
char *pidfile_path;
- if (is_tempfile_active(&pidfile))
+ if (is_tempfile_active(pidfile))
/* already locked */
return NULL;
- if (gethostname(my_host, sizeof(my_host)))
+ if (xgethostname(my_host, sizeof(my_host)))
xsnprintf(my_host, sizeof(my_host), "unknown");
pidfile_path = git_pathdup("gc.pid");
int should_exit;
if (!scan_fmt)
- scan_fmt = xstrfmt("%s %%%dc", "%"SCNuMAX, HOST_NAME_MAX);
+ scan_fmt = xstrfmt("%s %%%ds", "%"SCNuMAX, HOST_NAME_MAX);
fp = fopen(pidfile_path, "r");
memset(locking_host, 0, sizeof(locking_host));
should_exit =
write_in_full(fd, sb.buf, sb.len);
strbuf_release(&sb);
commit_lock_file(&lock);
- register_tempfile(&pidfile, pidfile_path);
+ pidfile = register_tempfile(pidfile_path);
free(pidfile_path);
return NULL;
}
static int report_last_gc_error(void)
{
struct strbuf sb = STRBUF_INIT;
- int ret;
+ int ret = 0;
+ struct stat st;
+ char *gc_log_path = git_pathdup("gc.log");
+
+ if (stat(gc_log_path, &st)) {
+ if (errno == ENOENT)
+ goto done;
- ret = strbuf_read_file(&sb, git_path("gc.log"), 0);
+ ret = error_errno(_("Can't stat %s"), gc_log_path);
+ goto done;
+ }
+
+ if (st.st_mtime < gc_log_expire_time)
+ goto done;
+
+ ret = strbuf_read_file(&sb, gc_log_path, 0);
if (ret > 0)
- return error(_("The last gc run reported the following. "
+ ret = error(_("The last gc run reported the following. "
"Please correct the root cause\n"
"and remove %s.\n"
"Automatic cleanup will not be performed "
"until the file is removed.\n\n"
"%s"),
- git_path("gc.log"), sb.buf);
+ gc_log_path, sb.buf);
strbuf_release(&sb);
- return 0;
+done:
+ free(gc_log_path);
+ return ret;
}
static int gc_before_repack(void)
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();
if (report_last_gc_error())
return -1;
+ if (lock_repo_for_gc(force, &pid))
+ return 0;
if (gc_before_repack())
return -1;
+ delete_tempfile(&pidfile);
+
/*
* failure to daemonize is ok, we'll continue
* in foreground
warning(_("There are too many unreachable loose objects; "
"run 'git prune' to remove them."));
+ if (!daemonized)
+ unlink(git_path("gc.log"));
+
return 0;
}