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Diffstat (limited to 'builtin/gc.c')
-rw-r--r--builtin/gc.c89
1 files changed, 74 insertions, 15 deletions
diff --git a/builtin/gc.c b/builtin/gc.c
index 891a2c2ecb..8d219d8c42 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -14,7 +14,9 @@
#include "cache.h"
#include "parse-options.h"
#include "run-command.h"
+#include "sigchain.h"
#include "argv-array.h"
+#include "commit.h"
#define FAILED_RUN "failed to run %s"
@@ -24,9 +26,12 @@ static const char * const builtin_gc_usage[] = {
};
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;
@@ -35,6 +40,21 @@ static struct argv_array repack = ARGV_ARRAY_INIT;
static struct argv_array prune = ARGV_ARRAY_INIT;
static struct argv_array rerere = ARGV_ARRAY_INIT;
+static char *pidfile;
+
+static void remove_pidfile(void)
+{
+ if (pidfile)
+ unlink(pidfile);
+}
+
+static void remove_pidfile_on_signal(int signo)
+{
+ remove_pidfile();
+ sigchain_pop(signo);
+ raise(signo);
+}
+
static int gc_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "gc.packrefs")) {
@@ -48,6 +68,10 @@ static int gc_config(const char *var, const char *value, void *cb)
aggressive_window = git_config_int(var, value);
return 0;
}
+ if (!strcmp(var, "gc.aggressivedepth")) {
+ aggressive_depth = git_config_int(var, value);
+ return 0;
+ }
if (!strcmp(var, "gc.auto")) {
gc_auto_threshold = git_config_int(var, value);
return 0;
@@ -56,6 +80,10 @@ static int gc_config(const char *var, const char *value, void *cb)
gc_auto_pack_limit = git_config_int(var, value);
return 0;
}
+ if (!strcmp(var, "gc.autodetach")) {
+ detach_auto = git_config_bool(var, value);
+ return 0;
+ }
if (!strcmp(var, "gc.pruneexpire")) {
if (value && strcmp(value, "now")) {
unsigned long now = approxidate("now");
@@ -162,7 +190,7 @@ static int need_to_gc(void)
else if (!too_many_loose_objects())
return 0;
- if (run_hook(NULL, "pre-auto-gc", NULL))
+ if (run_hook_le(NULL, "pre-auto-gc", NULL))
return 0;
return 1;
}
@@ -171,13 +199,16 @@ static int need_to_gc(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 */
+ return NULL;
if (gethostname(my_host, sizeof(my_host)))
strcpy(my_host, "unknown");
@@ -185,6 +216,8 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
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 =
@@ -202,7 +235,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
time(NULL) - st.st_mtime <= 12 * 3600 &&
fscanf(fp, "%"PRIuMAX" %127c", &pid, locking_host) == 2 &&
/* be gentle to concurrent "gc" on remote hosts */
- (strcmp(locking_host, my_host) || !kill(pid, 0));
+ (strcmp(locking_host, my_host) || !kill(pid, 0) || errno == EPERM);
if (fp != NULL)
fclose(fp);
if (should_exit) {
@@ -219,9 +252,26 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
strbuf_release(&sb);
commit_lock_file(&lock);
+ pidfile = git_pathdup("gc.pid");
+ sigchain_push_common(remove_pidfile_on_signal);
+ atexit(remove_pidfile);
+
return NULL;
}
+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;
@@ -263,7 +313,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
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);
}
@@ -276,11 +327,22 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
*/
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 (gc_before_repack())
+ return -1;
+ /*
+ * failure to daemonize is ok, we'll continue
+ * in foreground
+ */
+ daemonize();
+ }
} else
add_repack_all_option();
@@ -292,11 +354,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
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 (gc_before_repack())
+ return -1;
if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
return error(FAILED_RUN, repack.argv[0]);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 19:27:13 +0000