PREIN

/bin/sh

# Add the "zeroinst" user.
# This is not used by default, but is required if you want to
# set up sharing of downloads later.
getent group  zeroinst >/dev/null || groupadd -r zeroinst
getent passwd zeroinst >/dev/null || \
useradd -r -g zeroinst -d /var/cache/0install.net -s /sbin/nologin \
    -c "Zero Install shared cache" zeroinst
exit 0

POSTIN

/bin/sh

touch --no-create /usr/share/icons/hicolor &>/dev/null || :

POSTUN

/bin/sh

if [ $1 -eq 0 ] ; then
    touch --no-create /usr/share/icons/hicolor &>/dev/null
    gtk-update-icon-cache /usr/share/icons/hicolor &>/dev/null || :
fi

POSTTRANS

/bin/sh

gtk-update-icon-cache /usr/share/icons/hicolor &>/dev/null || :