93 lines
2.6 KiB
Bash
Executable File
93 lines
2.6 KiB
Bash
Executable File
#!/bin/bash -e
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# help print function
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function printHelp {
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echo "The script updates the user Hyperion is executed by system and service manager (after start-up).
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Without arguments it will configure Hyperion being executed under the current user.
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The script must be executed as root, i.e. sudo $0
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Options:
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-u username The user name Hyperion to executed to be with
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-h Shows this help message and exits"
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}
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function prompt () {
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while true; do
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read -p "$1 " yn
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if [[ $yn = "" ]]; then
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echo "Please answer Yes or No."
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else
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case "${yn:-Y}" in
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[Yes]* ) return 1;;
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[No]* ) return 0;;
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* ) echo "Please answer Yes or No.";;
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esac
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fi
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done
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}
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# Default username
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USERNAME=${SUDO_USER}
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while getopts u:h option
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do
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case "${option}"
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in
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u) USERNAME=${OPTARG};;
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v) _VERBOSE=1;;
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h) printHelp; exit 0;;
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esac
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done
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if [ "`id -u`" -ne 0 ]; then
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printHelp
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exit 99
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fi
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if ! id ${USERNAME} >/dev/null 2>&1; then
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echo "The given username \"${USERNAME}\" does not exist. Exiting..."
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exit 99
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fi
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echo "Configure the hyperion daemon to be executed under user: ${USERNAME}"
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if [ ${USERNAME} == "root" ]; then
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echo ''
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echo 'You asked to run Hyperion with root privileges. This poses a security risk!'
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echo 'It is recommended not to do so unless there are good reasons (e.g. WS281x usage).'
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if prompt 'Are you sure you want to run Hyperion under root? [Yes/No]'; then
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echo 'No updates will be done. Exiting...'
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exit 99
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fi
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fi
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#Disable current service
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CURRENT_SERVICE=$(systemctl --type service | { grep -o "hyperion.*@.*\.service" || true; })
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if [[ ! -z ${CURRENT_SERVICE} ]]; then
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CURRENT_SERVICE_USER=$(expr "${CURRENT_SERVICE}" : 'hyperion.*@\(.*\).service')
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if [ "${USERNAME}" == "${CURRENT_SERVICE_USER}" ]; then
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echo "Hyperion is already running under the user: ${USERNAME}. No updates required."
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exit 0;
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fi
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echo "Disable current service: ${CURRENT_SERVICE}"
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systemctl is-active --quiet ${CURRENT_SERVICE} && systemctl disable --quiet ${CURRENT_SERVICE} --now >/dev/null 2>&1
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fi
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HYPERION="hyperion"
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#Downward compatibility
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if [[ ${CURRENT_SERVICE} == hyperiond* ]]; then
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HYPERION="hyperiond"
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fi
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#Enable new service
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NEW_SERVICE="${HYPERION}@${USERNAME}.service"
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echo "Restarting Hyperion Service: ${NEW_SERVICE}"
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systemctl enable --quiet ${NEW_SERVICE} --now >/dev/null 2>&1
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# Update HyperBian splash screen
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sed -i "s/${CURRENT_SERVICE}/${NEW_SERVICE}/" /etc/update-motd.d/10-hyperbian >/dev/null 2>&1
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echo "Done."
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exit 0
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