# Check if we are in pkg/... hierarchy
_pkgs="$BASS_ROOT"/build/pkg
_pkgs="$(realpath $_pkgs/$ARCH)"
SKELSUBNAME=$(realpath $PWD)
SKELSUBNAME="${SKELSUBNAME#*$_pkgs}"
export SKELSUBNAME
if [ "$SKELSUBNAME" = "$PWD" ] ; then
    cat >&2 <<EOF
You must run skel inside pkg/\$ARCH directory.
Look at pkg/mk-arch for example, then: redo pkg/\$ARCH/\$SKEL
EOF
    exit 1
fi
SKELSUBNAME=${SKELSUBNAME#/}
export SKELFULLNAME=$1
[ "$SKELSUBNAME" = "" ] || SKELFULLNAME="$SKELSUBNAME/$1"

cd $_pkgs
[ -s $SKELFULLNAME.do ] # assert that SKELFULLNAME exists

if [ -s prebuilt/$SKELFULLNAME ] ; then
    echo Using prebuilt/$SKELFULLNAME >&2
    cd $_pkgs/$SKELSUBNAME
    ln $_pkgs/prebuilt/$SKELFULLNAME $3
    exit 0
fi