#pkgname=ghc

## arg 1:  the new package version
## arg 2:  the old package version
pre_upgrade() {
    cat << EOF
    ==> Unregistering cabalized packages...
EOF
    for package in $(perl -ne 'if ($_ =~ m/id: (.*)-.*/){print $1."\n";}' /usr/share/haskell/*/register.sh); do
        ghc-pkg unregister --force "$package" &>/dev/null;
    done
    cat << EOF
    ==> Done.
EOF
    
}

## arg 1:  the new package version
## arg 2:  the old package version
post_upgrade() {
    cat << EOF
    ==> All cabalized and yaourt-installed packages need to be reinstalled now.
    ==> See /usr/share/haskell/ and ghc-pkg list --user for a tentative list of affected packages.
EOF
}

# Doesn't appear to be needed: pacman changes ?
#op=$1
#shift
# vim:set ts=2 sw=2 et: