POSTUN

/bin/sh

if [ "$1" -eq 0 ]; then
  update-alternatives --remove guile /usr/bin/guile-2.0
fi

POSTTRANS

/bin/sh

if [ "$1" -eq 1 ]; then
  update-alternatives \
    --install /usr/bin/guile guile /usr/bin/guile-2.0 20 \
    --slave /usr/bin/guile-tools guile-tools /usr/bin/guile-tools-2.0 \
    --slave /usr/bin/guild guild /usr/bin/guild-2.0
fi

Triggers

guile < 2.0.14-8

/bin/sh

ln -sfT ../../slib /usr/share/guile/2.0/slib

rm -f /usr/share/guile/%{mver}/slibcat
export SCHEME_LIBRARY_PATH=/usr/share/slib/

# Build SLIB catalog
for pre in \
    "(use-modules (ice-9 slib))" \
    "(load \"/usr/share/slib/guile.init\")"
do
    /usr/bin/guile2.0 -c "$pre
        (set! implementation-vicinity (lambda () \"/usr/share/guile/2.0/\"))
        (require 'new-catalog)" &> /dev/null && break
    rm -f /usr/share/guile/2.0/slibcat
done
:

slib

/bin/sh

if [ "$1" = 0 -o "$2" = 0 ]; then
    rm -f /usr/share/guile/2.0/slib{,cat}
fi

slib

/bin/sh

if [ -e /usr/bin/guile -a ! -L /usr/bin/guile ]; then
  rm -rf /usr/bin/{guile,guile-tools,guild}
fi