mirror of
https://github.com/nix-community/home-manager
synced 2024-09-10 05:16:29 +02:00
214 lines
6.5 KiB
Nix
214 lines
6.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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inherit (pkgs.stdenv.hostPlatform) isDarwin;
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inherit (lib.generators) toPlist;
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cfg = config.launchd;
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labelPrefix = "org.nix-community.home.";
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dstDir = "${config.home.homeDirectory}/Library/LaunchAgents";
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launchdConfig = { config, name, ... }: {
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options = {
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enable = mkEnableOption name;
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config = mkOption {
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type = types.submodule (import ./launchd.nix);
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default = { };
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example = literalExpression ''
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{
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ProgramArguments = [ "/usr/bin/say" "Good afternoon" ];
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StartCalendarInterval = [
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{
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Hour = 12;
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Minute = 0;
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}
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];
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}
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'';
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description = ''
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Define a launchd job. See {manpage}`launchd.plist(5)` for details.
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'';
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};
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};
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config = { config.Label = mkDefault "${labelPrefix}${name}"; };
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};
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toAgent = config: pkgs.writeText "${config.Label}.plist" (toPlist { } config);
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agentPlists =
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mapAttrs' (n: v: nameValuePair "${v.config.Label}.plist" (toAgent v.config))
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(filterAttrs (n: v: v.enable) cfg.agents);
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agentsDrv = pkgs.runCommand "home-manager-agents" { } ''
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mkdir -p "$out"
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declare -A plists
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plists=(${
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concatStringsSep " "
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(mapAttrsToList (name: value: "['${name}']='${value}'") agentPlists)
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})
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for dest in "''${!plists[@]}"; do
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src="''${plists[$dest]}"
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ln -s "$src" "$out/$dest"
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done
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'';
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in {
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meta.maintainers = with maintainers; [ midchildan ];
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options.launchd = {
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enable = mkOption {
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type = types.bool;
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default = isDarwin;
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defaultText = literalExpression "pkgs.stdenv.hostPlatform.isDarwin";
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description = ''
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Whether to enable Home Manager to define per-user daemons by making use
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of launchd's LaunchAgents.
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'';
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};
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agents = mkOption {
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type = with types; attrsOf (submodule launchdConfig);
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default = { };
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description = "Define LaunchAgents.";
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};
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};
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config = mkMerge [
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{
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assertions = [{
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assertion = (cfg.enable && agentPlists != { }) -> isDarwin;
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message = let names = lib.concatStringsSep ", " (attrNames agentPlists);
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in "Must use Darwin for modules that require Launchd: " + names;
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}];
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}
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(mkIf isDarwin {
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home.extraBuilderCommands = ''
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ln -s "${agentsDrv}" $out/LaunchAgents
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'';
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home.activation.checkLaunchAgents =
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hm.dag.entryBefore [ "writeBoundary" ] ''
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checkLaunchAgents() {
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local oldDir newDir dstDir err
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oldDir=""
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err=0
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if [[ -n "''${oldGenPath:-}" ]]; then
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oldDir="$(readlink -m "$oldGenPath/LaunchAgents")" || err=$?
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if (( err )); then
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oldDir=""
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fi
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fi
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newDir=${escapeShellArg agentsDrv}
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dstDir=${escapeShellArg dstDir}
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local oldSrcPath newSrcPath dstPath agentFile agentName
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find -L "$newDir" -maxdepth 1 -name '*.plist' -type f -print0 \
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| while IFS= read -rd "" newSrcPath; do
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agentFile="''${newSrcPath##*/}"
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agentName="''${agentFile%.plist}"
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dstPath="$dstDir/$agentFile"
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oldSrcPath="$oldDir/$agentFile"
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if [[ ! -e "$dstPath" ]]; then
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continue
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fi
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if ! cmp --quiet "$oldSrcPath" "$dstPath"; then
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errorEcho "Existing file '$dstPath' is in the way of '$newSrcPath'"
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exit 1
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fi
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done
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}
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checkLaunchAgents
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'';
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# NOTE: Launch Agent configurations can't be symlinked from the Nix store
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# because it needs to be owned by the user running it.
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home.activation.setupLaunchAgents =
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hm.dag.entryAfter [ "writeBoundary" ] ''
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setupLaunchAgents() {
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local oldDir newDir dstDir domain err
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oldDir=""
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err=0
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if [[ -n "''${oldGenPath:-}" ]]; then
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oldDir="$(readlink -m "$oldGenPath/LaunchAgents")" || err=$?
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if (( err )); then
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oldDir=""
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fi
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fi
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newDir="$(readlink -m "$newGenPath/LaunchAgents")"
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dstDir=${escapeShellArg dstDir}
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domain="gui/$UID"
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err=0
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local srcPath dstPath agentFile agentName i bootout_retries
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bootout_retries=10
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find -L "$newDir" -maxdepth 1 -name '*.plist' -type f -print0 \
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| while IFS= read -rd "" srcPath; do
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agentFile="''${srcPath##*/}"
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agentName="''${agentFile%.plist}"
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dstPath="$dstDir/$agentFile"
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if cmp --quiet "$srcPath" "$dstPath"; then
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continue
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fi
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if [[ -f "$dstPath" ]]; then
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for (( i = 0; i < bootout_retries; i++ )); do
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run /bin/launchctl bootout "$domain/$agentName" || err=$?
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if [[ -v DRY_RUN ]]; then
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break
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fi
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if (( err != 9216 )) &&
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! /bin/launchctl print "$domain/$agentName" &> /dev/null; then
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break
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fi
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sleep 1
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done
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if (( i == bootout_retries )); then
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warnEcho "Failed to stop '$domain/$agentName'"
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return 1
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fi
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fi
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run install -Dm444 -T "$srcPath" "$dstPath"
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run /bin/launchctl bootstrap "$domain" "$dstPath"
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done
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if [[ ! -e "$oldDir" ]]; then
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return
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fi
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find -L "$oldDir" -maxdepth 1 -name '*.plist' -type f -print0 \
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| while IFS= read -rd "" srcPath; do
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agentFile="''${srcPath##*/}"
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agentName="''${agentFile%.plist}"
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dstPath="$dstDir/$agentFile"
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if [[ -e "$newDir/$agentFile" ]]; then
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continue
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fi
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run /bin/launchctl bootout "$domain/$agentName" || :
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if [[ ! -e "$dstPath" ]]; then
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continue
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fi
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if ! cmp --quiet "$srcPath" "$dstPath"; then
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warnEcho "Skipping deletion of '$dstPath', since its contents have diverged"
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continue
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fi
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run rm -f $VERBOSE_ARG "$dstPath"
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done
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}
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setupLaunchAgents
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'';
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})
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];
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}
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