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nix-darwin/modules/system/launchd.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.system;
home = builtins.getEnv "HOME";
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text = import ../lib/write-text.nix {
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inherit lib;
mkTextDerivation = pkgs.writeText;
};
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launchdActivation = basedir: target: ''
if ! diff '/run/current-system/Library/${basedir}/${target}' '/Library/${basedir}/${target}'; then
if test -f '/Library/${basedir}/${target}'; then
launchctl unload -w '/Library/${basedir}/${target}' || true
fi
cp -f '${cfg.build.launchd}/Library/${basedir}/${target}' '/Library/${basedir}/${target}'
launchctl load '/Library/${basedir}/${target}'
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fi
'';
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userLaunchdActivation = target: ''
if ! diff '/run/current-system/${home}/Library/LaunchAgents/${target}' '${home}/Library/LaunchAgents/${target}'; then
if test -f '${home}/Library/LaunchAgents/${target}'; then
launchctl unload -w '${home}/Library/LaunchAgents/${target}' || true
fi
cp -f '${cfg.build.launchd}/${home}/Library/LaunchAgents/${target}' '${home}/Library/LaunchAgents/${target}'
launchctl load '${home}/Library/LaunchAgents/${target}'
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fi
'';
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launchAgents = filter (f: f.enable) (attrValues config.environment.launchAgents);
launchDaemons = filter (f: f.enable) (attrValues config.environment.launchDaemons);
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userLaunchAgents = filter (f: f.enable) (attrValues config.environment.userLaunchAgents);
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in
{
options = {
environment.launchAgents = mkOption {
type = types.loaOf (types.submodule text);
default = {};
description = ''
Set of files that have to be linked in <filename>/Library/LaunchAgents</filename>.
'';
};
environment.launchDaemons = mkOption {
type = types.loaOf (types.submodule text);
default = {};
description = ''
Set of files that have to be linked in <filename>/Library/LaunchDaemons</filename>.
'';
};
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environment.userLaunchAgents = mkOption {
type = types.loaOf (types.submodule text);
default = {};
description = ''
Set of files that have to be linked in <filename>~/Library/LaunchAgents</filename>.
'';
};
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};
config = {
system.build.launchd = pkgs.runCommand "launchd" {} ''
mkdir -p $out/Library/LaunchAgents $out/Library/LaunchDaemons $out/${home}/Library/LaunchAgents
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cd $out/Library/LaunchAgents
${concatMapStringsSep "\n" (attr: "ln -s '${attr.source}' '${attr.target}'") launchAgents}
cd $out/Library/LaunchDaemons
${concatMapStringsSep "\n" (attr: "ln -s '${attr.source}' '${attr.target}'") launchDaemons}
cd $out/${home}/Library/LaunchAgents
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${concatMapStringsSep "\n" (attr: "ln -s '${attr.source}' '${attr.target}'") userLaunchAgents}
'';
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system.activationScripts.launchd.text = ''
# Set up launchd services in /Library/LaunchAgents and /Library/LaunchDaemons
echo "setting up launchd services..."
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${concatMapStringsSep "\n" (attr: launchdActivation "LaunchAgents" attr.target) launchAgents}
${concatMapStringsSep "\n" (attr: launchdActivation "LaunchDaemons" attr.target) launchDaemons}
for f in $(ls /run/current-system/Library/LaunchAgents); do
if test ! -e "${cfg.build.launchd}/Library/LaunchAgents/$f"; then
launchctl unload -w "/Library/LaunchAgents/$f" || true
if test -e "/Library/LaunchAgents/$f"; then rm -f "/Library/LaunchAgents/$f"; fi
fi
done
for f in $(ls /run/current-system/Library/LaunchDaemons); do
if test ! -e "${cfg.build.launchd}/Library/LaunchDaemons/$f"; then
launchctl unload -w "/Library/LaunchDaemons/$f" || true
if test -e "/Library/LaunchDaemons/$f"; then rm -f "/Library/LaunchDaemons/$f"; fi
fi
done
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'';
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system.activationScripts.userLaunchd.text = ''
# Set up launchd services in ~/Library/LaunchAgents
echo "setting up user launchd services..."
${concatMapStringsSep "\n" (attr: userLaunchdActivation attr.target) userLaunchAgents}
for f in $(ls /run/current-system/${home}/Library/LaunchAgents); do
if test ! -e "${cfg.build.launchd}/${home}/Library/LaunchAgents/$f"; then
launchctl unload -w "${home}/Library/LaunchAgents/$f" || true
if test -e "${home}/Library/LaunchAgents/$f"; then rm -f "${home}/Library/LaunchAgents/$f"; fi
fi
done
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'';
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};
}