*/
#include "builtin.h"
-#include "cache.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "run-command.h"
#include "sigchain.h"
};
static int pack_refs = 1;
+static int prune_reflogs = 1;
+static int aggressive_depth = 250;
static int aggressive_window = 250;
static int gc_auto_threshold = 6700;
static int gc_auto_pack_limit = 50;
+static int detach_auto = 1;
static const char *prune_expire = "2.weeks.ago";
static struct argv_array pack_refs_cmd = ARGV_ARRAY_INIT;
static struct argv_array rerere = ARGV_ARRAY_INIT;
static char *pidfile;
+static struct lock_file log_lock;
static void remove_pidfile(void)
{
raise(signo);
}
-static int gc_config(const char *var, const char *value, void *cb)
+static void process_log_file(void)
{
- if (!strcmp(var, "gc.packrefs")) {
+ struct stat st;
+ if (!fstat(log_lock.fd, &st) && st.st_size)
+ commit_lock_file(&log_lock);
+ else
+ rollback_lock_file(&log_lock);
+}
+
+static void process_log_file_at_exit(void)
+{
+ fflush(stderr);
+ process_log_file();
+}
+
+static void process_log_file_on_signal(int signo)
+{
+ process_log_file();
+ sigchain_pop(signo);
+ raise(signo);
+}
+
+static void gc_config(void)
+{
+ const char *value;
+
+ if (!git_config_get_value("gc.packrefs", &value)) {
if (value && !strcmp(value, "notbare"))
pack_refs = -1;
else
- pack_refs = git_config_bool(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.aggressivewindow")) {
- aggressive_window = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.auto")) {
- gc_auto_threshold = git_config_int(var, value);
- return 0;
+ pack_refs = git_config_bool("gc.packrefs", value);
}
- if (!strcmp(var, "gc.autopacklimit")) {
- gc_auto_pack_limit = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "gc.pruneexpire")) {
- if (value && strcmp(value, "now")) {
+
+ git_config_get_int("gc.aggressivewindow", &aggressive_window);
+ git_config_get_int("gc.aggressivedepth", &aggressive_depth);
+ 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);
+
+ if (!git_config_get_string_const("gc.pruneexpire", &prune_expire)) {
+ if (strcmp(prune_expire, "now")) {
unsigned long now = approxidate("now");
- if (approxidate(value) >= now)
- return error(_("Invalid %s: '%s'"), var, value);
+ if (approxidate(prune_expire) >= now) {
+ git_die_config("gc.pruneexpire", _("Invalid gc.pruneexpire: '%s'"),
+ prune_expire);
+ }
}
- return git_config_string(&prune_expire, var, value);
}
- return git_default_config(var, value, cb);
+ git_config(git_default_config, NULL);
}
static int too_many_loose_objects(void)
static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
{
static struct lock_file lock;
- static char locking_host[128];
char my_host[128];
struct strbuf sb = STRBUF_INIT;
struct stat st;
uintmax_t pid;
FILE *fp;
- int fd, should_exit;
+ int fd;
if (pidfile)
/* already locked */
fd = hold_lock_file_for_update(&lock, git_path("gc.pid"),
LOCK_DIE_ON_ERROR);
if (!force) {
+ static char locking_host[128];
+ int should_exit;
fp = fopen(git_path("gc.pid"), "r");
memset(locking_host, 0, sizeof(locking_host));
should_exit =
return NULL;
}
+static int report_last_gc_error(void)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ ret = strbuf_read_file(&sb, git_path("gc.log"), 0);
+ if (ret > 0)
+ return 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);
+ strbuf_release(&sb);
+ return 0;
+}
+
+static int gc_before_repack(void)
+{
+ if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD))
+ return error(FAILED_RUN, pack_refs_cmd.argv[0]);
+
+ if (prune_reflogs && run_command_v_opt(reflog.argv, RUN_GIT_CMD))
+ return error(FAILED_RUN, reflog.argv[0]);
+
+ pack_refs = 0;
+ prune_reflogs = 0;
+ return 0;
+}
+
int cmd_gc(int argc, const char **argv, const char *prefix)
{
int aggressive = 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")),
argv_array_pushl(&prune, "prune", "--expire", NULL );
argv_array_pushl(&rerere, "rerere", "gc", NULL);
- git_config(gc_config, NULL);
+ gc_config();
if (pack_refs < 0)
pack_refs = !is_bare_repository();
if (aggressive) {
argv_array_push(&repack, "-f");
- argv_array_push(&repack, "--depth=250");
+ 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 (!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"));
+ 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, (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 (daemonized) {
+ hold_lock_file_for_update(&log_lock,
+ git_path("gc.log"),
+ LOCK_DIE_ON_ERROR);
+ dup2(log_lock.fd, 2);
+ sigchain_push_common(process_log_file_on_signal);
+ atexit(process_log_file_at_exit);
+ }
- if (run_command_v_opt(reflog.argv, RUN_GIT_CMD))
- return error(FAILED_RUN, reflog.argv[0]);
+ if (gc_before_repack())
+ return -1;
if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
return error(FAILED_RUN, repack.argv[0]);