raspiblitz/home.admin/config.scripts/blitz.conf.sh

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#!/usr/bin/env bash
configFile="/mnt/hdd/raspiblitz.conf"
# command info
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] || [ "$1" = "-help" ]; then
echo "RaspiBlitz Config Edit - adds value to file & cache and creates entries if needed:"
echo "blitz.conf.sh set [key] [value] [?conffile]"
echo "blitz.conf.sh delete [key] [?conffile]"
echo
exit 1
fi
if [ "$1" = "set" ]; then
# get parameters
keystr=$2
valuestr=$3
configfileAlternative=$4
# check that key & value are given
if [ "${keystr}" == "" ] || [ "${valuestr}" == "" ]; then
echo "# blitz.conf.sh $@"
echo "# FAIL: missing parameter"
exit 1
fi
# optional another configfile
if [ "${configfileAlternative}" != "" ]; then
configFile="${configfileAlternative}"
fi
# update config value in cache
/home/admin/_cache.sh set ${keystr} "${valuestr}"
# check that config file exists
raspiblitzConfExists=$(ls ${configFile} 2>/dev/null | grep -c "${configFile}")
if [ ${raspiblitzConfExists} -eq 0 ]; then
echo "# blitz.conf.sh $@"
echo "# FAIL: missing config file: ${configFile}"
exit 3
fi
# check if key needs to be added (prepare new entry)
entryExists=$(grep -c "^${keystr}=" ${configFile})
if [ ${entryExists} -eq 0 ]; then
echo "${keystr}=" | sudo tee -a ${configFile} 1>/dev/null
fi
# add valuestr quotes if not standard values
if [ "${valuestr}" != "on" ] && [ "${valuestr}" != "off" ] && [ "${valuestr}" != "1" ] && [ "${valuestr}" != "0" ]; then
valuestr="'${valuestr}'"
fi
# set value (sed needs sudo to operate when user is not root)
sudo sed -i "s/^${keystr}=.*/${keystr}=${valuestr}/g" ${configFile}
elif [ "$1" = "delete" ]; then
# get parameters
keystr=$2
configfileAlternative=$3
# check that key & value are given
if [ "${keystr}" == "" ]; then
echo "# FAIL: missing parameter"
exit 1
fi
# optional another configfile
if [ "${configfileAlternative}" != "" ]; then
configFile="${configfileAlternative}"
fi
# delete value
sudo sed -i "/^${keystr}=/d" ${configFile} 2>/dev/null
else
echo "# FAIL: parameter not known - run with -h for help"
fi