worktree: add 'list' command

diff --git a/builtin/gc.c b/builtin/gc.c
index 4957c3903293c2d4262f49c01188973bd3e53aa2..0ad8d30b56f89a9ea6ac3a9ee5ae4593ae9754a0 100644 (file)
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -11,6 +11,7 @@
  */
 
 #include "builtin.h"
+#include "tempfile.h"
 #include "lockfile.h"
 #include "parse-options.h"
 #include "run-command.h"
@@ -42,20 +43,7 @@ static struct argv_array prune = ARGV_ARRAY_INIT;
 static struct argv_array prune_worktrees = 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 struct tempfile pidfile;
 
 static void git_config_date_string(const char *key, const char **output)
 {
@@ -85,7 +73,7 @@ static void gc_config(void)
        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.pruneworktreesexpire", &prune_worktrees_expire);
+       git_config_date_string("gc.worktreepruneexpire", &prune_worktrees_expire);
        git_config(git_default_config, NULL);
 }
 
@@ -199,20 +187,22 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
        uintmax_t pid;
        FILE *fp;
        int fd;
+       char *pidfile_path;
 
-       if (pidfile)
+       if (is_tempfile_active(&pidfile))
                /* already locked */
                return NULL;
 
        if (gethostname(my_host, sizeof(my_host)))
                strcpy(my_host, "unknown");
 
-       fd = hold_lock_file_for_update(&lock, git_path("gc.pid"),
+       pidfile_path = git_pathdup("gc.pid");
+       fd = hold_lock_file_for_update(&lock, pidfile_path,
                                       LOCK_DIE_ON_ERROR);
        if (!force) {
                static char locking_host[128];
                int should_exit;
-               fp = fopen(git_path("gc.pid"), "r");
+               fp = fopen(pidfile_path, "r");
                memset(locking_host, 0, sizeof(locking_host));
                should_exit =
                        fp != NULL &&
@@ -236,6 +226,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
                        if (fd >= 0)
                                rollback_lock_file(&lock);
                        *ret_pid = pid;
+                       free(pidfile_path);
                        return locking_host;
                }
        }
@@ -245,11 +236,8 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
        write_in_full(fd, sb.buf, sb.len);
        strbuf_release(&sb);
        commit_lock_file(&lock);
-
-       pidfile = git_pathdup("gc.pid");
-       sigchain_push_common(remove_pidfile_on_signal);
-       atexit(remove_pidfile);
-
+       register_tempfile(&pidfile, pidfile_path);
+       free(pidfile_path);
        return NULL;
 }