6, "wing" => "Deploy", "title" => "A push is a deploy", "promise" => "Pushing to main puts the code live within a minute.", "block" => "git push is the deploy. What is running, and since when, is in RC_FACTS/deploy.json, written by root, readable by the app.", "show" => function (?array $me): string { $d = fact("deploy.json") ?? []; $out = '

'; foreach (["live", "staging"] as $env) { $x = $d[$env] ?? null; $out .= '
• ' . $env . "" . ($x ? "" . h(substr($x["commit"], 0, 10)) . " by " . h($x["by"]) . ", " . ago(strtotime($x["at"])) : "nothing yet") . "
"; } return $out . "

"; }, // The commit running here must be the newest one pushed to this environment's branch. "check" => function (): array { $env = env("RC_ENV"); $running = fact("deploy.json")[$env] ?? null; $pushes = fact("pushes.json"); if (!$running || $pushes === null) return [false, "RC_FACTS has no deploy.json or pushes.json"]; $last = array_values(array_filter($pushes, fn($p) => $p["env"] === $env && str_starts_with($p["result"], "deployed")))[0] ?? null; if (!$last) return [false, "no successful push to $env is recorded"]; if ($last["commit"] !== $running["commit"]) return [false, "running " . substr($running["commit"], 0, 10) . " but the last push to $env was " . substr($last["commit"], 0, 10)]; $lag = strtotime($running["at"]) - strtotime($last["at"]); if ($lag > 60) return [false, "the last push took {$lag}s to go live"]; return [true, "running " . substr($running["commit"], 0, 10) . ", the last push to $env, live {$lag}s after the push"]; }, ];