bunkchat/install.sh

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#!/bin/sh -e
installtarget=/usr/local/bin
chatlogdir=/var/log/bunkchat
chatlog=chat.log
chattrfailed() {
set +e
rm -rf $chatlogdir
echo
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echo "ERROR: could not set append only attribute on ${chatlogdir}/${chatlog}"
echo " does your file system support 'chattr +a' ?"
exit 1
}
prep() {
mkdir -p $chatlogdir
chmod 755 $chatlogdir
touch ${chatlogdir}/${chatlog}
chmod 666 ${chatlogdir}/${chatlog}
# if chattr +a not supported on this file system, catch error and clean up
chattr +a ${chatlogdir}/${chatlog} || chattrfailed
}
install() {
cp proclaim heed scry $installtarget
chmod 755 ${installtarget}/proclaim
chmod 755 ${installtarget}/heed
chmod 755 ${installtarget}/scry
chown root:root ${installtarget}/proclaim
chown root:root ${installtarget}/heed
chown root:root ${installtarget}/scry
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echo
echo "SUCCESS! bunkchat installed!"
exit 0
}
# check for root perms
if ! [ "$(id -u)" = 0 ]; then
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echo
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echo "ERROR: please run install with root permissions"
exit 1
fi
# if chat.log exists, skip prep
if [ -f ${chatlogdir}/${chatlog} ]; then
install
else
prep
install
fi