create standalone script(s) and service files for hdparm

scripts/hdparm/hdparm.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env zsh
+
+# author:	Daniel Sommer <daniel.sommer@velvettear.de>
+# license:	MIT
+
+# exit on error
+set -e
+
+# check permissions
+[[ "$EUID" != 0 ]] && printf "error: permission denied!\n" >&2 && exit 1
+
+# check if script exists
+script="$(dirname $(realpath "$0"))/$(hostname).sh"
+[[ ! -x "$script" ]] && printf "error: script '"$script"' does not exist or is not executable!\n" >&2 && exit 1
+
+# execute script
+printf ">> executing script '"$script"'...\n"
+. "$script"

scripts/hdparm/j5040.sh

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+#!/usr/bin/env zsh
+
+# author:	Daniel Sommer <daniel.sommer@velvettear.de>
+# license:	MIT
+
+hdparm -S 1 -y /dev/sdc
+hdparm -S 1 -y /dev/sdd

systemd/hdparm.service

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+[Unit]
+Description=put various drives in standby mode and set their spin-down timer
+
+[Service]
+Type=oneshot
+ExecStart=/home/velvettear/.dots/scripts/hdparm/hdparm.sh
+
+[Install]
+WantedBy=multi-user.target