diff options
| -rw-r--r-- | builtin/gc.c | 54 | ||||
| -rwxr-xr-x | t/t7900-maintenance.sh | 17 |
2 files changed, 62 insertions, 9 deletions
diff --git a/builtin/gc.c b/builtin/gc.c index 06f18a347d..22e670b508 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -1600,6 +1600,29 @@ static int launchctl_remove_plists(const char *cmd) launchctl_remove_plist(SCHEDULE_WEEKLY, cmd); } +static int launchctl_list_contains_plist(const char *name, const char *cmd) +{ + int result; + struct child_process child = CHILD_PROCESS_INIT; + char *uid = launchctl_get_uid(); + + strvec_split(&child.args, cmd); + strvec_pushl(&child.args, "list", name, NULL); + + child.no_stderr = 1; + child.no_stdout = 1; + + if (start_command(&child)) + die(_("failed to start launchctl")); + + result = finish_command(&child); + + free(uid); + + /* Returns failure if 'name' doesn't exist. */ + return !result; +} + static int launchctl_schedule_plist(const char *exec_path, enum schedule_priority schedule, const char *cmd) { int i, fd; @@ -1609,7 +1632,8 @@ static int launchctl_schedule_plist(const char *exec_path, enum schedule_priorit char *filename = launchctl_service_filename(name); struct lock_file lk = LOCK_INIT; static unsigned long lock_file_timeout_ms = ULONG_MAX; - struct strbuf plist = STRBUF_INIT; + struct strbuf plist = STRBUF_INIT, plist2 = STRBUF_INIT; + struct stat st; preamble = "<?xml version=\"1.0\"?>\n" "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" @@ -1676,18 +1700,30 @@ static int launchctl_schedule_plist(const char *exec_path, enum schedule_priorit fd = hold_lock_file_for_update_timeout(&lk, filename, LOCK_DIE_ON_ERROR, lock_file_timeout_ms); - if (write_in_full(fd, plist.buf, plist.len) < 0 || - commit_lock_file(&lk)) - die_errno(_("could not write '%s'"), filename); - - /* bootout might fail if not already running, so ignore */ - launchctl_boot_plist(0, filename, cmd); - if (launchctl_boot_plist(1, filename, cmd)) - die(_("failed to bootstrap service %s"), filename); + /* + * Does this file already exist? With the intended contents? Is it + * registered already? Then it does not need to be re-registered. + */ + if (!stat(filename, &st) && st.st_size == plist.len && + strbuf_read_file(&plist2, filename, plist.len) == plist.len && + !strbuf_cmp(&plist, &plist2) && + launchctl_list_contains_plist(name, cmd)) + rollback_lock_file(&lk); + else { + if (write_in_full(fd, plist.buf, plist.len) < 0 || + commit_lock_file(&lk)) + die_errno(_("could not write '%s'"), filename); + + /* bootout might fail if not already running, so ignore */ + launchctl_boot_plist(0, filename, cmd); + if (launchctl_boot_plist(1, filename, cmd)) + die(_("failed to bootstrap service %s"), filename); + } free(filename); free(name); strbuf_release(&plist); + strbuf_release(&plist2); return 0; } diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh index 58f46c77e6..fc16ac2258 100755 --- a/t/t7900-maintenance.sh +++ b/t/t7900-maintenance.sh @@ -582,6 +582,23 @@ test_expect_success 'start and stop macOS maintenance' ' test_line_count = 0 actual ' +test_expect_success 'use launchctl list to prevent extra work' ' + # ensure we are registered + GIT_TEST_MAINT_SCHEDULER=launchctl:./print-args git maintenance start && + + # do it again on a fresh args file + rm -f args && + GIT_TEST_MAINT_SCHEDULER=launchctl:./print-args git maintenance start && + + ls "$HOME/Library/LaunchAgents" >actual && + cat >expect <<-\EOF && + list org.git-scm.git.hourly + list org.git-scm.git.daily + list org.git-scm.git.weekly + EOF + test_cmp expect args +' + test_expect_success 'start and stop Windows maintenance' ' write_script print-args <<-\EOF && echo $* >>args |