75 lines
1.9 KiB
Nix
75 lines
1.9 KiB
Nix
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with import <stockholm/lib>;
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{ config, pkgs, ... }: {
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options.krebs.permown = mkOption {
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default = [];
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type = types.listOf (types.submodule {
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options = {
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directory-mode = mkOption {
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default = "=rwx";
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type = types.str; # TODO
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};
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file-mode = mkOption {
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default = "=rw";
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type = types.str; # TODO
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};
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group = mkOption {
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apply = x: if x == null then "" else x;
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default = null;
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type = types.nullOr types.groupname;
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};
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owner = mkOption {
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type = types.username;
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};
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path = mkOption {
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type = types.absolute-pathname;
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};
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umask = mkOption {
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default = "0027";
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type = types.file-mode;
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};
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};
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});
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};
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config.systemd.services = genAttrs' config.krebs.permown (plan: {
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name = "permown.${replaceStrings ["/"] ["_"] plan.path}";
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value = {
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environment = {
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DIR_MODE = plan.directory-mode;
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FILE_MODE = plan.file-mode;
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OWNER_GROUP = "${plan.owner}:${plan.group}";
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ROOT_PATH = plan.path;
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};
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path = [
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pkgs.coreutils
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pkgs.findutils
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pkgs.inotifyTools
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];
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serviceConfig = {
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ExecStart = pkgs.writeDash "permown" ''
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set -efu
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find "$ROOT_PATH" -exec chown "$OWNER_GROUP" {} +
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find "$ROOT_PATH" -type d -exec chmod "$DIR_MODE" {} +
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find "$ROOT_PATH" -type f -exec chmod "$FILE_MODE" {} +
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inotifywait -mrq -e CREATE --format %w%f "$ROOT_PATH" |
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while read -r path; do
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if test -d "$path"; then
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exec "$0" "$@"
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fi
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chown "$OWNER_GROUP" "$path"
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chmod "$FILE_MODE" "$path"
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done
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'';
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Restart = "always";
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RestartSec = 10;
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UMask = plan.umask;
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};
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wantedBy = [ "multi-user.target" ];
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};
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});
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}
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