diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/darwin/default.nix | 7 | ||||
| -rw-r--r-- | modules/darwin/herdr-caffeinate.nix | 62 |
2 files changed, 66 insertions, 3 deletions
diff --git a/modules/darwin/default.nix b/modules/darwin/default.nix index 26201a1..b4b81a8 100644 --- a/modules/darwin/default.nix +++ b/modules/darwin/default.nix @@ -4,6 +4,7 @@ imports = [ ./homebrew.nix ./macos.nix + ./herdr-caffeinate.nix ]; # Nix is managed by Determinate installer @@ -41,6 +42,7 @@ # Editors and terminal multiplexers neovim tmux + herdr # Shells and shell utilities zsh @@ -74,7 +76,6 @@ rustup # JavaScript runtimes and package managers - bun pnpm deno @@ -98,7 +99,8 @@ protoc-gen-go-grpc # Cloud and IaC tools - pulumi + # pulumi-bin over pulumi: the source-built package lags upstream by months + pulumi-bin pulumictl kubectl kubernetes-helm @@ -107,7 +109,6 @@ flyctl talosctl tektoncd-cli - runpodctl # Task runners and automation act diff --git a/modules/darwin/herdr-caffeinate.nix b/modules/darwin/herdr-caffeinate.nix new file mode 100644 index 0000000..fb23589 --- /dev/null +++ b/modules/darwin/herdr-caffeinate.nix @@ -0,0 +1,62 @@ +{ pkgs, ... }: + +# Keep the Mac awake while a herdr agent is actively working. +# A launchd user agent polls `herdr agent list` and holds a `caffeinate` +# process for as long as at least one agent reports the `working` status. +let + interval = 20; + + supervisor = pkgs.writeShellScript "herdr-caffeinate" '' + set -u + + herdr=${pkgs.herdr}/bin/herdr + jq=${pkgs.jq}/bin/jq + caffeinate=/usr/bin/caffeinate + + caff_pid="" + + stop_caffeinate() { + if [ -n "$caff_pid" ] && kill -0 "$caff_pid" 2>/dev/null; then + kill "$caff_pid" 2>/dev/null || true + fi + caff_pid="" + } + + trap 'stop_caffeinate; exit 0' TERM INT EXIT + + while true; do + working=0 + # `agent list` fails (nonzero, stderr) when no herdr server is running; + # that safely resolves to "no agents working". + if list=$("$herdr" agent list 2>/dev/null); then + count=$(printf '%s' "$list" \ + | "$jq" -r '[.result.agents[]? | select(.agent_status == "working")] | length' 2>/dev/null \ + || printf '0') + [ "''${count:-0}" -gt 0 ] && working=1 + fi + + if [ "$working" -eq 1 ]; then + if [ -z "$caff_pid" ] || ! kill -0 "$caff_pid" 2>/dev/null; then + # -s prevents system sleep (AC), -i prevents idle sleep (also on battery) + "$caffeinate" -s -i & + caff_pid=$! + fi + else + stop_caffeinate + fi + + sleep ${toString interval} + done + ''; +in +{ + launchd.user.agents.herdr-caffeinate = { + serviceConfig = { + ProgramArguments = [ "${supervisor}" ]; + RunAtLoad = true; + KeepAlive = true; + ProcessType = "Background"; + StandardErrorPath = "/tmp/herdr-caffeinate.err.log"; + }; + }; +} |