user activation
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0d7908bd09
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1faf0d76a9
2 changed files with 132 additions and 52 deletions
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@ -493,6 +493,23 @@ in {
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for more information.
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'';
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};
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configPath = mkOption {
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type = types.path;
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internal = true;
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description = ''
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Path to the ssh configuration.
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'';
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};
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internallyManaged = mkOption {
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type = types.bool;
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default = true;
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internal = true;
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description = ''
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Whether to link .ssh/config to programs.ssh.configPath
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'';
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};
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};
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config = mkIf cfg.enable {
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@ -518,14 +535,14 @@ in {
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home.packages = optional (cfg.package != null) cfg.package;
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home.file.".ssh/config".text = let
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home.file.".ssh/config".source = mkIf cfg.internallyManaged cfg.configPath;
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programs.ssh.configPath = let
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sortedMatchBlocks = hm.dag.topoSort cfg.matchBlocks;
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sortedMatchBlocksStr = builtins.toJSON sortedMatchBlocks;
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matchBlocks = if sortedMatchBlocks ? result then
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sortedMatchBlocks.result
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else
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abort "Dependency cycle in SSH match blocks: ${sortedMatchBlocksStr}";
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in ''
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matchBlocks = sortedMatchBlocks.result or (abort
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"Dependency cycle in SSH match blocks: ${sortedMatchBlocksStr}");
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in pkgs.writeText "ssh_config" ''
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${concatStringsSep "\n"
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((mapAttrsToList (n: v: "${n} ${v}") cfg.extraOptionOverrides)
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++ (optional (cfg.includes != [ ]) ''
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@ -5,14 +5,28 @@ with lib;
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let
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cfg = config.home-manager;
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serviceEnvironment = optionalAttrs (cfg.backupFileExtension != null) {
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HOME_MANAGER_BACKUP_EXT = cfg.backupFileExtension;
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} // optionalAttrs cfg.verbose { VERBOSE = "1"; };
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baseService = username: {
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Type = "oneshot";
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RemainAfterExit = "yes";
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TimeoutStartSec = "5m";
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SyslogIdentifier = "hm-activate-${username}";
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};
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baseUnit = username: {
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description = "Home Manager environment for ${username}";
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stopIfChanged = false;
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environment = optionalAttrs (cfg.backupFileExtension != null) {
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HOME_MANAGER_BACKUP_EXT = cfg.backupFileExtension;
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} // optionalAttrs cfg.verbose { VERBOSE = "1"; };
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serviceConfig = baseService username;
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};
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# we use a service separated from nixos-activation
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# to keep the logs separate
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hmDropIn = "/share/systemd/user/home-manager.service.d";
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in {
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imports = [ ./common.nix ];
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options.home-manager.useUserService = mkEnableOption
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"activation on each user login instead of every user together on system boot";
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config = mkMerge [
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{
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home-manager = {
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@ -26,66 +40,115 @@ in {
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# fontconfig by default.
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fonts.fontconfig.enable = lib.mkDefault
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(cfg.useUserPackages && config.fonts.fontconfig.enable);
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# Inherit glibcLocales setting from NixOS.
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i18n.glibcLocales = lib.mkDefault config.i18n.glibcLocales;
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# .ssh/config needs to exists before login to let ssh login as that user
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programs.ssh.internallyManaged =
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lib.mkDefault (!cfg.useUserService);
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};
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}];
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};
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systemd.services = mapAttrs' (_:
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{ home, programs, ... }:
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let inherit (home) username homeDirectory;
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in nameValuePair "ssh_config-${utils.escapeSystemdPath username}" {
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enable = with programs.ssh; enable && !internallyManaged;
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description = "Linking ${username}' ssh config";
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wantedBy = [ "multi-user.target" ];
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before = [ "systemd-user-sessions.service" ];
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unitConfig.RequiresMountsFor = homeDirectory;
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stopIfChanged = false;
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serviceConfig = (baseService username) // {
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User = username;
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ExecStart = [
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"${pkgs.coreutils}/bin/mkdir -p ${homeDirectory}/.ssh"
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"${pkgs.coreutils}/bin/ln -s ${programs.ssh.configPath} ${homeDirectory}/.ssh/config"
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];
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};
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}) cfg.users;
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}
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(mkIf (cfg.users != { }) {
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(mkIf (cfg.users != { } && !cfg.useUserService) {
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systemd.services = mapAttrs' (_: usercfg:
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let username = usercfg.home.username;
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in nameValuePair ("home-manager-${utils.escapeSystemdPath username}") {
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description = "Home Manager environment for ${username}";
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let inherit (usercfg.home) username homeDirectory activationPackage;
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in nameValuePair "home-manager-${utils.escapeSystemdPath username}"
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(attrsets.recursiveUpdate (baseUnit username) {
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wantedBy = [ "multi-user.target" ];
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wants = [ "nix-daemon.socket" ];
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after = [ "nix-daemon.socket" ];
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before = [ "systemd-user-sessions.service" ];
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environment = serviceEnvironment;
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unitConfig.RequiresMountsFor = homeDirectory;
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unitConfig = { RequiresMountsFor = usercfg.home.homeDirectory; };
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serviceConfig.User = username;
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serviceConfig.ExecStart = let
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systemctl =
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"XDG_RUNTIME_DIR=\${XDG_RUNTIME_DIR:-/run/user/$UID} systemctl";
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stopIfChanged = false;
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sed = "${pkgs.gnused}/bin/sed";
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exportedSystemdVariables = concatStringsSep "|" [
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"DBUS_SESSION_BUS_ADDRESS"
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"DISPLAY"
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"WAYLAND_DISPLAY"
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"XAUTHORITY"
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"XDG_RUNTIME_DIR"
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];
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setupEnv = pkgs.writeScript "hm-setup-env" ''
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#! ${pkgs.runtimeShell} -el
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serviceConfig = {
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User = usercfg.home.username;
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Type = "oneshot";
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TimeoutStartSec = "5m";
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SyslogIdentifier = "hm-activate-${username}";
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# The activation script is run by a login shell to make sure
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# that the user is given a sane environment.
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# If the user is logged in, import variables from their current
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# session environment.
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eval "$(
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${systemctl} --user show-environment 2> /dev/null \
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| ${sed} -En '/^(${exportedSystemdVariables})=/s/^/export /p'
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)"
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ExecStart = let
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systemctl =
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"XDG_RUNTIME_DIR=\${XDG_RUNTIME_DIR:-/run/user/$UID} systemctl";
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exec "$1/activate"
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'';
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in "${setupEnv} ${activationPackage}";
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})) cfg.users;
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})
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(mkIf (cfg.users != { } && cfg.useUserService) {
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systemd.user.services.home-manager = (baseUnit "%u") // {
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# user units cannot depend on system units
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# TODO: Insert in the script logic for waiting on the nix socket via dbus
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# like https://github.com/mogorman/systemd-lock-handler
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# wants = [ "nix-daemon.socket" ];
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# after = [ "nix-daemon.socket" ];
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sed = "${pkgs.gnused}/bin/sed";
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unitConfig.RequiresMountsFor = "%h";
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# no ExecStart= is defined for any user that has not defined
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# config.home-manager.users.${username}
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# this will be overridden by the below drop-in
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};
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exportedSystemdVariables = concatStringsSep "|" [
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"DBUS_SESSION_BUS_ADDRESS"
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"DISPLAY"
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"WAYLAND_DISPLAY"
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"XAUTHORITY"
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"XDG_RUNTIME_DIR"
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];
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setupEnv = pkgs.writeScript "hm-setup-env" ''
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#! ${pkgs.runtimeShell} -el
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# The activation script is run by a login shell to make sure
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# that the user is given a sane environment.
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# If the user is logged in, import variables from their current
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# session environment.
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eval "$(
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${systemctl} --user show-environment 2> /dev/null \
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| ${sed} -En '/^(${exportedSystemdVariables})=/s/^/export /p'
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)"
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exec "$1/activate"
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'';
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in "${setupEnv} ${usercfg.home.activationPackage}";
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};
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users.users = mapAttrs (_:
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{ home, ... }: {
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# unit files are taken from $XDG_DATA_DIRS too
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# but are loaded after units from /etc
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# we write a drop in so that it will take precedence
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# over the above unit declaration
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packages = [
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(pkgs.writeTextDir "${hmDropIn}/10-user-activation.conf" ''
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[Service]
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ExecStart=${home.activationPackage}/activate
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'')
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];
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}) cfg.users;
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environment.pathsToLink = [ hmDropIn ];
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# Without this will not reload home conf
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# of logged user on system activation
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# it will also start the unit on startup
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system.userActivationScripts.home-manager = {
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text = "${pkgs.systemd}/bin/systemctl --user restart home-manager";
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deps = [ ];
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};
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})
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];
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}
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