diff options
Diffstat (limited to 'builtin/gc.c')
| -rw-r--r-- | builtin/gc.c | 65 |
1 files changed, 55 insertions, 10 deletions
diff --git a/builtin/gc.c b/builtin/gc.c index 891a2c2ecb..85f5c2bc62 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 +26,11 @@ static const char * const builtin_gc_usage[] = { }; static int pack_refs = 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 +39,21 @@ 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 +67,10 @@ 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 +79,10 @@ 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 +189,7 @@ 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 +198,16 @@ 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 +215,8 @@ 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 +234,7 @@ 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) { @@ -219,6 +251,10 @@ 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; } @@ -263,7 +299,8 @@ 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 +313,19 @@ 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) + /* + * failure to daemonize is ok, we'll continue + * in foreground + */ + daemonize(); } else add_repack_all_option(); |