dotfiles/.local/bin/scripts/moul

#!/bin/sh -e
# Mount a partition by label or device identifier automatically
arg=$1
test "$arg" = "--help" && echo "$0 <device> [mountpoint] [options...]" && exit 0
if test "$arg" = "-u"
then
  mountpoint="$2"
  sudo umount --verbose "$mountpoint"
  code=$?
  sudo rm -df "$mountpoint"
  exit $code
fi

if grep -e "LABEL=$arg[^\w/]" /etc/fstab
then mount -L "$@"; exit $?
fi
if grep -e "[^\w=/]$arg[^\w/]" /etc/fstab
then mount "$@"; exit $?
fi
mountpoint="${2:-${MNT:-${XDG_RUNTIME_DIR}/mnt}/$arg}"
if grep -e "[^\w=/]$mountpoint[^\w/]" /etc/fstab
then shift; mount "$mountpoint" "$@"; code=$?; cd $mountpoint; exit $code
fi
case "$arg" in
  (sd*|loop*|nvme*|mm*|md*|dm*|vg*) partition="/dev/$arg";;
  (*) partition="-L $arg";;
esac
shift $(expr 2 \& $# \> 1 \| 1)
#uid=$(id --user),gid=$(id --group), \
mountpoint "$mountpoint" >/dev/null 2>&1 ||
	{ mp="/run/media/$USER/$arg" && test -e "$mp" && mountpoint="$mp"; } ||
	sudo mount -vo users,X-mount.mkdir,noatime $partition $mountpoint "$@"
echo "Mounted at $mountpoint"
cd $mountpoint
exec $SHELL