mesa-amdgpu-va-drivers.install

# 903d1cf9f8a969554e901f2bfd91cab7  mesa-amdgpu-va-drivers_18.3.0-812932_amd64.deb/postinst
# Converted for arch linux:
post_install() {
    for f in /opt/amdgpu/lib/x86_64-linux-gnu/dri/*_drv_video.so; do
        ln -sb $f /usr/lib/dri
    done
}

# f1b401b23a832bdf38fd7c08ac19c8b7  mesa-amdgpu-va-drivers_18.3.0-812932_amd64.deb/prerm
# Converted for arch linux:
pre_remove() {
    for f in /opt/amdgpu/lib/x86_64-linux-gnu/dri/*_drv_video.so; do
        f=${f##*/}
        if [ -f /usr/lib/dri/$f~ ]; then
            mv -f /usr/lib/dri/$f~ /usr/lib/dri/$f
        else
            rm -f /usr/lib/dri/$f
        fi
    done
}