nixos/outline: fix shellcheck error

        '';

        script = ''

          export SECRET_KEY="$(head -n1 ${lib.escapeShellArg cfg.secretKeyFile})"

          export UTILS_SECRET="$(head -n1 ${lib.escapeShellArg cfg.utilsSecretFile})"

          SECRET_KEY="$(head -n1 ${lib.escapeShellArg cfg.secretKeyFile})"

          export SECRET_KEY

          UTILS_SECRET="$(head -n1 ${lib.escapeShellArg cfg.utilsSecretFile})"

          export UTILS_SECRET

          ${lib.optionalString (cfg.storage.storageType == "s3") ''

            export AWS_SECRET_ACCESS_KEY="$(head -n1 ${lib.escapeShellArg cfg.storage.secretKeyFile})"

            AWS_SECRET_ACCESS_KEY="$(head -n1 ${lib.escapeShellArg cfg.storage.secretKeyFile})"

            export AWS_SECRET_ACCESS_KEY

          ''}

          ${lib.optionalString (cfg.slackAuthentication != null) ''

            export SLACK_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.slackAuthentication.secretFile})"

            SLACK_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.slackAuthentication.secretFile})"

            export SLACK_CLIENT_SECRET

          ''}

          ${lib.optionalString (cfg.googleAuthentication != null) ''

            export GOOGLE_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.googleAuthentication.clientSecretFile})"

            GOOGLE_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.googleAuthentication.clientSecretFile})"

            export GOOGLE_CLIENT_SECRET

          ''}

          ${lib.optionalString (cfg.azureAuthentication != null) ''

            export AZURE_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.azureAuthentication.clientSecretFile})"

            AZURE_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.azureAuthentication.clientSecretFile})"

            export AZURE_CLIENT_SECRET

          ''}

          ${lib.optionalString (cfg.oidcAuthentication != null) ''

            export OIDC_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.oidcAuthentication.clientSecretFile})"

            OIDC_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.oidcAuthentication.clientSecretFile})"

            export OIDC_CLIENT_SECRET

          ''}

          ${lib.optionalString (cfg.discordAuthentication != null) ''

            export DISCORD_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.discordAuthentication.clientSecretFile})"

            DISCORD_CLIENT_SECRET="$(head -n1 ${lib.escapeShellArg cfg.discordAuthentication.clientSecretFile})"

            export DISCORD_CLIENT_SECRET

          ''}

          ${lib.optionalString (cfg.sslKeyFile != null) ''

            export SSL_KEY="$(head -n1 ${lib.escapeShellArg cfg.sslKeyFile})"

            SSL_KEY="$(head -n1 ${lib.escapeShellArg cfg.sslKeyFile})"

            export SSL_KEY

          ''}

          ${lib.optionalString (cfg.sslCertFile != null) ''

            export SSL_CERT="$(head -n1 ${lib.escapeShellArg cfg.sslCertFile})"

            SSL_CERT="$(head -n1 ${lib.escapeShellArg cfg.sslCertFile})"

            export SSL_CERT

          ''}

          ${lib.optionalString (cfg.slackIntegration != null) ''

            export SLACK_VERIFICATION_TOKEN="$(head -n1 ${lib.escapeShellArg cfg.slackIntegration.verificationTokenFile})"

            SLACK_VERIFICATION_TOKEN="$(head -n1 ${lib.escapeShellArg cfg.slackIntegration.verificationTokenFile})"

            export SLACK_VERIFICATION_TOKEN

          ''}

          ${lib.optionalString (cfg.smtp != null) ''

            export SMTP_PASSWORD="$(head -n1 ${lib.escapeShellArg cfg.smtp.passwordFile})"

            SMTP_PASSWORD="$(head -n1 ${lib.escapeShellArg cfg.smtp.passwordFile})"

            export SMTP_PASSWORD

          ''}

          ${

            if (cfg.databaseUrl == "local") then

              ''

                export DATABASE_URL=${lib.escapeShellArg localPostgresqlUrl}

                DATABASE_URL=${lib.escapeShellArg localPostgresqlUrl}

                export DATABASE_URL

                export PGSSLMODE=disable

              ''

            else

              ''

                export DATABASE_URL=${lib.escapeShellArg cfg.databaseUrl}

                DATABASE_URL=${lib.escapeShellArg cfg.databaseUrl}

                export DATABASE_URL

              ''

          }