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#!/bin/dash
asroot env \
SIGNAL_DIR="${HOME}/.var/opt/signal" \
SIGNAL_DEV="$(losetup | sed 's/\s\+/ /g' | cut -d ' ' -f 1,6 | \
sed -n 's#\(/[^ ]*\) '"$(realpath -- "${HOME}/.var/opt/signal/SignalCrypt.img")"'$#\1#p' | sed 1q)" \
sh -c '
if mountpoint -q -- "${SIGNAL_DIR}/SignalCrypt.d"; then
umount -- "${SIGNAL_DIR}/SignalCrypt.d"
fi
if test -e /dev/mapper/SignalCrypt; then
cryptsetup close SignalCrypt
fi
if test -n "${SIGNAL_DEV}"; then
losetup -d -- "${SIGNAL_DEV}"
fi
'
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