mirror of
https://github.com/nix-community/home-manager.git
synced 2026-01-11 17:39:37 +08:00
restic: remove redundant platform checks
This commit is contained in:
Benedikt Rips
@@ -62,15 +62,13 @@ let
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))
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];
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inherit (pkgs.stdenv.hostPlatform) isLinux;
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# Until we have launchd support (#7924), mark the options
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# not used in the helper script as "linux exclusive"
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linuxExclusive =
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option:
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option
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// {
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readOnly = pkgs.stdenv.hostPlatform.isDarwin;
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readOnly = !pkgs.stdenv.hostPlatform.isLinux;
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description = option.description + ''
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@@ -393,219 +391,209 @@ in
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};
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};
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config = lib.mkIf cfg.enable (
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lib.mkMerge [
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{
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assertions = lib.mapAttrsToList (n: v: {
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assertion = lib.xor (v.repository == null) (v.repositoryFile == null);
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message = "services.restic.backups.${n}: exactly one of repository or repositoryFile should be set";
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}) cfg.backups;
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}
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config = lib.mkIf cfg.enable {
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assertions = lib.mapAttrsToList (n: v: {
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assertion = lib.xor (v.repository == null) (v.repositoryFile == null);
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message = "services.restic.backups.${n}: exactly one of repository or repositoryFile should be set";
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}) cfg.backups;
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(lib.mkIf isLinux {
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systemd.user.services = lib.mapAttrs' (
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name: backup:
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let
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doBackup = backup.dynamicFilesFrom != null || backup.paths != [ ];
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doPrune = backup.pruneOpts != [ ];
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doCheck = backup.runCheck;
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serviceName = "restic-backups-${name}";
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systemd.user.services = lib.mapAttrs' (
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name: backup:
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let
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doBackup = backup.dynamicFilesFrom != null || backup.paths != [ ];
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doPrune = backup.pruneOpts != [ ];
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doCheck = backup.runCheck;
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serviceName = "restic-backups-${name}";
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extraOptions = lib.concatMap (arg: [
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"-o"
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arg
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]) backup.extraOptions;
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extraOptions = lib.concatMap (arg: [
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"-o"
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arg
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]) backup.extraOptions;
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excludeFile = pkgs.writeText "exclude-patterns" (lib.concatLines backup.exclude);
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excludeFileFlag = "--exclude-file=${excludeFile}";
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excludeFile = pkgs.writeText "exclude-patterns" (lib.concatLines backup.exclude);
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excludeFileFlag = "--exclude-file=${excludeFile}";
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filesFromTmpFile = "/run/user/$UID/${serviceName}/includes";
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filesFromFlag = "--files-from=${filesFromTmpFile}";
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filesFromTmpFile = "/run/user/$UID/${serviceName}/includes";
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filesFromFlag = "--files-from=${filesFromTmpFile}";
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inhibitCmd = lib.optionals backup.inhibitsSleep [
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"${pkgs.systemd}/bin/systemd-inhibit"
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"--mode='block'"
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"--who='restic'"
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"--what='idle'"
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"--why=${lib.escapeShellArg "Scheduled backup ${name}"}"
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];
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inhibitCmd = lib.optionals backup.inhibitsSleep [
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"${pkgs.systemd}/bin/systemd-inhibit"
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"--mode='block'"
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"--who='restic'"
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"--what='idle'"
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"--why=${lib.escapeShellArg "Scheduled backup ${name}"}"
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];
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mkResticCmd' =
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pre: args:
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lib.concatStringsSep " " (
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pre ++ lib.singleton (lib.getExe backup.package) ++ extraOptions ++ lib.flatten args
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);
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mkResticCmd = mkResticCmd' [ ];
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mkResticCmd' =
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pre: args:
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lib.concatStringsSep " " (
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pre ++ lib.singleton (lib.getExe backup.package) ++ extraOptions ++ lib.flatten args
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);
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mkResticCmd = mkResticCmd' [ ];
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backupCmd =
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"${lib.getExe pkgs.bash} -c "
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+ lib.escapeShellArg (
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mkResticCmd' inhibitCmd [
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"backup"
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backup.extraBackupArgs
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excludeFileFlag
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filesFromFlag
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]
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);
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backupCmd =
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"${lib.getExe pkgs.bash} -c "
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+ lib.escapeShellArg (
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mkResticCmd' inhibitCmd [
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"backup"
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backup.extraBackupArgs
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excludeFileFlag
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filesFromFlag
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]
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);
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forgetCmd = mkResticCmd [
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"forget"
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"--prune"
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backup.pruneOpts
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];
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checkCmd = mkResticCmd [
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"check"
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backup.checkOpts
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];
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unlockCmd = mkResticCmd "unlock";
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in
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lib.nameValuePair serviceName {
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Unit = {
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Description = "Restic backup service";
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Wants = [ "network-online.target" ];
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After = [ "network-online.target" ];
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};
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forgetCmd = mkResticCmd [
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"forget"
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"--prune"
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backup.pruneOpts
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];
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checkCmd = mkResticCmd [
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"check"
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backup.checkOpts
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];
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unlockCmd = mkResticCmd "unlock";
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in
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lib.nameValuePair serviceName {
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Unit = {
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Description = "Restic backup service";
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Wants = [ "network-online.target" ];
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After = [ "network-online.target" ];
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};
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Service = {
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Type = "oneshot";
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Service = {
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Type = "oneshot";
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X-RestartIfChanged = true;
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RuntimeDirectory = serviceName;
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CacheDirectory = serviceName;
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CacheDirectoryMode = "0700";
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PrivateTmp = true;
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X-RestartIfChanged = true;
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RuntimeDirectory = serviceName;
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CacheDirectory = serviceName;
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CacheDirectoryMode = "0700";
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PrivateTmp = true;
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Environment = mkEnvironment backup ++ [ "RESTIC_CACHE_DIR=%C/${serviceName}" ];
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Environment = mkEnvironment backup ++ [ "RESTIC_CACHE_DIR=%C/${serviceName}" ];
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ExecStart =
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lib.optional doBackup backupCmd
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++ lib.optionals doPrune [
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unlockCmd
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forgetCmd
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]
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++ lib.optional doCheck checkCmd;
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ExecStart =
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lib.optional doBackup backupCmd
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++ lib.optionals doPrune [
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unlockCmd
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forgetCmd
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]
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++ lib.optional doCheck checkCmd;
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ExecStartPre = lib.getExe (
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pkgs.writeShellApplication {
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name = "${serviceName}-exec-start-pre";
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inherit runtimeInputs;
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text = ''
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set -x
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ExecStartPre = lib.getExe (
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pkgs.writeShellApplication {
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name = "${serviceName}-exec-start-pre";
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inherit runtimeInputs;
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text = ''
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set -x
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${lib.optionalString (backup.backupPrepareCommand != null) ''
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${pkgs.writeShellScript "backupPrepareCommand" backup.backupPrepareCommand}
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''}
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${lib.optionalString (backup.backupPrepareCommand != null) ''
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${pkgs.writeShellScript "backupPrepareCommand" backup.backupPrepareCommand}
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''}
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${lib.optionalString (backup.initialize) ''
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${
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mkResticCmd [
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"cat"
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"config"
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]
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} 2>/dev/null || ${mkResticCmd "init"}
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''}
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${lib.optionalString (backup.initialize) ''
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${
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mkResticCmd [
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"cat"
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"config"
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]
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} 2>/dev/null || ${mkResticCmd "init"}
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''}
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${lib.optionalString (backup.paths != null && backup.paths != [ ]) ''
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cat ${pkgs.writeText "staticPaths" (lib.concatLines backup.paths)} >> ${filesFromTmpFile}
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''}
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${lib.optionalString (backup.paths != null && backup.paths != [ ]) ''
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cat ${pkgs.writeText "staticPaths" (lib.concatLines backup.paths)} >> ${filesFromTmpFile}
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''}
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${lib.optionalString (backup.dynamicFilesFrom != null) ''
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${pkgs.writeShellScript "dynamicFilesFromScript" backup.dynamicFilesFrom} >> ${filesFromTmpFile}
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''}
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'';
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}
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);
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ExecStopPost = lib.getExe (
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pkgs.writeShellApplication {
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name = "${serviceName}-exec-stop-post";
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inherit runtimeInputs;
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text = ''
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set -x
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${lib.optionalString (backup.backupCleanupCommand != null) ''
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${pkgs.writeShellScript "backupCleanupCommand" backup.backupCleanupCommand}
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''}
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'';
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}
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);
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${lib.optionalString (backup.dynamicFilesFrom != null) ''
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${pkgs.writeShellScript "dynamicFilesFromScript" backup.dynamicFilesFrom} >> ${filesFromTmpFile}
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''}
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'';
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}
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// lib.optionalAttrs (backup.environmentFile != null) {
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EnvironmentFile = backup.environmentFile;
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};
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}
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) cfg.backups;
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})
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);
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(lib.mkIf isLinux {
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systemd.user.timers = lib.mapAttrs' (
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name: backup:
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lib.nameValuePair "restic-backups-${name}" {
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Unit.Description = "Restic backup service";
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Install.WantedBy = [ "timers.target" ];
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ExecStopPost = lib.getExe (
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pkgs.writeShellApplication {
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name = "${serviceName}-exec-stop-post";
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inherit runtimeInputs;
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text = ''
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set -x
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Timer = backup.timerConfig;
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}
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) (lib.filterAttrs (_: v: v.timerConfig != null) cfg.backups);
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})
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{
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home.packages = lib.mapAttrsToList (
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name: backup:
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let
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serviceName = "restic-backups-${name}";
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environment = mkEnvironment backup;
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notPathVar = x: !(lib.hasPrefix "PATH" x);
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extraOptions = lib.concatMap (arg: [
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"-o"
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arg
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]) backup.extraOptions;
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restic = lib.concatStringsSep " " (
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lib.flatten [
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(lib.getExe backup.package)
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extraOptions
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]
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);
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in
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pkgs.writeShellApplication {
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name = "restic-${name}";
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excludeShellChecks = [
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# https://github.com/koalaman/shellcheck/issues/1986
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"SC2034"
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# Allow sourcing environmentFile
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"SC1091"
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];
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bashOptions = [
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"errexit"
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"nounset"
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"allexport"
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];
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text = ''
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${lib.optionalString (backup.environmentFile != null) ''
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source ${backup.environmentFile}
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''}
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# Set same environment variables as the systemd service
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${lib.pipe environment [
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(lib.filter notPathVar)
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lib.concatLines
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]}
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RESTIC_CACHE_DIR=${config.xdg.cacheHome}/${serviceName}
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PATH=${
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lib.pipe environment [
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(lib.filter (lib.hasPrefix "PATH="))
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lib.head
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(lib.removePrefix "PATH=")
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]
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}:$PATH
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exec ${restic} "$@"
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'';
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}
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) (lib.filterAttrs (_: v: v.createWrapper) cfg.backups);
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${lib.optionalString (backup.backupCleanupCommand != null) ''
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${pkgs.writeShellScript "backupCleanupCommand" backup.backupCleanupCommand}
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''}
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'';
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}
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);
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}
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// lib.optionalAttrs (backup.environmentFile != null) {
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EnvironmentFile = backup.environmentFile;
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};
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}
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]
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);
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) cfg.backups;
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systemd.user.timers = lib.mapAttrs' (
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name: backup:
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lib.nameValuePair "restic-backups-${name}" {
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Unit.Description = "Restic backup service";
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Install.WantedBy = [ "timers.target" ];
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Timer = backup.timerConfig;
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}
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) (lib.filterAttrs (_: v: v.timerConfig != null) cfg.backups);
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home.packages = lib.mapAttrsToList (
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name: backup:
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let
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serviceName = "restic-backups-${name}";
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environment = mkEnvironment backup;
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notPathVar = x: !(lib.hasPrefix "PATH" x);
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extraOptions = lib.concatMap (arg: [
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"-o"
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arg
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]) backup.extraOptions;
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restic = lib.concatStringsSep " " (
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lib.flatten [
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(lib.getExe backup.package)
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extraOptions
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]
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);
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in
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pkgs.writeShellApplication {
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name = "restic-${name}";
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excludeShellChecks = [
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# https://github.com/koalaman/shellcheck/issues/1986
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"SC2034"
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# Allow sourcing environmentFile
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"SC1091"
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];
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bashOptions = [
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"errexit"
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"nounset"
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"allexport"
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];
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text = ''
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${lib.optionalString (backup.environmentFile != null) ''
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source ${backup.environmentFile}
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''}
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# Set same environment variables as the systemd service
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${lib.pipe environment [
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(lib.filter notPathVar)
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lib.concatLines
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]}
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RESTIC_CACHE_DIR=${config.xdg.cacheHome}/${serviceName}
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PATH=${
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lib.pipe environment [
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(lib.filter (lib.hasPrefix "PATH="))
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lib.head
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(lib.removePrefix "PATH=")
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]
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}:$PATH
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exec ${restic} "$@"
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'';
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}
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) (lib.filterAttrs (_: v: v.createWrapper) cfg.backups);
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};
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}
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Reference in New Issue
Block a user