Switch to nested attrsets.
This commit is contained in:
Tom Alexander
parent
f667c9daa6
commit
146dc5f79a
@ -78,6 +78,11 @@
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./util/unfree_polyfill
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];
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# me.install.user.file.talexander.".local/nixcfg" = ./README.org;
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me.install.user.talexander.file.".local/nixcfg" = {
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source = ./flake.lock;
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};
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nix.settings.experimental-features = [
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"nix-command"
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"flakes"
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@ -7,10 +7,23 @@
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}:
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let
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cfg = config.me.install;
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inherit (lib)
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filter
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attrNames
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;
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install_user_file =
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target:
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let
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source = lib.strings.escapeShellArg "${target.source}";
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destination = lib.strings.escapeShellArg "${target.target}";
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mode = lib.strings.escapeShellArg "${target.mode}";
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in
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# $DRY_RUN_CMD ${pkgs.toyboy}/bin/install $VERBOSE_ARG -D -m ${mode} ${source} ${destination}
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''
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$DRY_RUN_CMD install $VERBOSE_ARG -D --compare -m ${mode} ${source} ${destination}
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'';
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in
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{
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imports = [ ];
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@ -19,138 +32,121 @@ in
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user = lib.mkOption {
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type = lib.types.attrsOf (
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lib.types.submodule (
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{ username, config, ... }:
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{ name, config, ... }:
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let
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username = name;
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in
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{
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options = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = true;
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defaultText = "me.install.file.‹username›.enable";
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example = false;
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defaultText = "enable";
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example = lib.literalExpression false;
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description = "Whether we want to install files in this user's home directory.";
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};
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target_username = lib.mkOption {
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type = lib.types.str;
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defaultText = "me.install.file.‹username›.target_username";
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example = "root";
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description = "The username for the user whose home directory will contain the file.";
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};
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};
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config = {
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target_username = lib.mkDefault username;
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file = lib.mkOption {
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type = lib.types.attrsOf (
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lib.types.submodule (
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{ name, config, ... }:
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let
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path = name;
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in
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{
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options = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = true;
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defaultText = "enable";
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example = lib.literalExpression false;
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description = "Whether we want to install this file in this user's home directory.";
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};
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username = lib.mkOption {
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type = lib.types.str;
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defaultText = "username";
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example = "root";
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description = "The username for the user whose home directory will contain the file.";
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};
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target = lib.mkOption {
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type = lib.types.str;
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defaultText = "target";
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example = ".local/share/foo/bar.txt";
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description = "The path where the file should be written.";
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};
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method = lib.mkOption {
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type = lib.types.enum [
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"symlink"
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"overwrite"
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# "bind_mount" TODO: for directories?
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];
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default = "symlink";
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defaultText = "me.install.file.‹path›.method";
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example = "overwrite";
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description = "The way in which the file should be installed.";
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};
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mode = lib.mkOption {
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type = lib.types.str;
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default = "0444";
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defaultText = "me.install.file.‹path›.mode";
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example = "0750";
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description = "The read, write, execute permission flags.";
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};
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source = lib.mkOption {
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type = lib.types.path;
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defaultText = "me.install.file.‹path›.source";
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example = ./files/foo.txt;
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description = "The source file to install into the destination.";
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};
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};
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config = {
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username = lib.mkDefault username;
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target = lib.mkDefault path;
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};
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}
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)
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);
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};
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};
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}
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)
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);
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defaultText = "me.install.user.‹username›";
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default = { };
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# TODO: example
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};
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file = lib.mkOption {
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type = lib.types.attrsOf (
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lib.types.submodule (
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{ path, config, ... }:
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{
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options = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = true;
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defaultText = "me.install.file.‹path›.enable";
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example = false;
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description = "Whether we want to install this file.";
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};
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method = lib.mkOption {
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type = lib.types.enum [
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"symlink"
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"overwrite"
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# "bind_mount" TODO: for directories?
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];
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default = "symlink";
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defaultText = "me.install.file.‹path›.method";
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example = "overwrite";
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description = "The way in which the file should be installed.";
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};
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mode = lib.mkOption {
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type = lib.types.str;
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default = "0444";
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defaultText = "me.install.file.‹path›.mode";
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example = "0750";
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description = "The read, write, execute permission flags.";
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};
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source = lib.mkOption {
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type = lib.types.path;
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defaultText = "me.install.file.‹path›.source";
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example = ./files/foo.txt;
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description = "The source file to install into the destination.";
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};
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target = lib.mkOption {
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type = lib.types.str;
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defaultText = "me.install.file.‹path›.target";
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example = ".local/share/foo/bar.txt";
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description = "The path where the file should be written.";
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};
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};
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config = {
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target = lib.mkDefault path;
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};
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}
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)
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);
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defaultText = "me.install.file.‹path›";
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default = { };
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example = lib.literalExpression ''
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{
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".config/foo/bar.txt" = {
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source = ./files/bar.txt
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};
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}
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'';
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};
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};
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config = lib.mkMerge [
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(lib.mkIf (config.me.install.file != { }) (
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let
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cfg = config.me.install.file;
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install_file_targets = filter (target: config.me.install.file."${target}".enable) (attrNames cfg);
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install_commands = builtins.map (
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target:
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let
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target_config = config.me.install.file."${target}";
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source = lib.strings.escapeShellArg "${target_config.source}";
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destination = lib.strings.escapeShellArg "${target_config.target}";
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mode = lib.strings.escapeShellArg "${target_config.mode}";
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in
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# $DRY_RUN_CMD ${pkgs.toyboy}/bin/install $VERBOSE_ARG -D -m ${mode} ${source} ${destination}
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''
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$DRY_RUN_CMD install $VERBOSE_ARG -D --compare -m ${mode} ${source} ${destination}
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''
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) install_file_targets;
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in
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{
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systemd.services.me-install-file = {
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enable = true;
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description = "me-install-file";
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wantedBy = [ "multi-user.target" ];
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wants = [ "multi-user.target" ];
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after = [ "multi-user.target" ];
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# path = with pkgs; [
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# zfs
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# ];
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unitConfig.DefaultDependencies = "no";
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = "yes";
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};
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script = (lib.strings.concatStringsSep "\n" install_commands);
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# preStop = ''
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# rm -f /home/talexander/.docker/config.json
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# '';
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config =
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let
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all_users = builtins.map (username: cfg.user."${username}") (attrNames cfg.user);
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enabled_users = filter (user: user.enable) all_users;
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all_file_targets = lib.flatten (
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builtins.map (user: (builtins.map (path: user.file."${path}") (attrNames user.file))) enabled_users
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);
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enabled_file_targets = filter (target: target.enable) all_file_targets;
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install_commands = builtins.map install_user_file enabled_file_targets;
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in
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{
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systemd.services.me-install-file = {
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enable = true;
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description = "me-install-file";
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wantedBy = [ "multi-user.target" ];
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wants = [ "multi-user.target" ];
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after = [ "multi-user.target" ];
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# path = with pkgs; [
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# zfs
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# ];
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unitConfig.DefaultDependencies = "no";
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = "yes";
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};
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}
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))
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];
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script = (lib.strings.concatStringsSep "\n" install_commands);
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# preStop = ''
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# rm -f /home/talexander/.docker/config.json
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# '';
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};
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# environment.etc."install_out".text = builtins.toJSON enabled_file_targets;
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environment.etc."install_out".text = (lib.strings.concatStringsSep "\n" install_commands);
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};
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}
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