seems it does not mirror bionic packages for ubuntu-toolchain-r PPA repo anymore.
see http://deb.rug.nl/ppa/mirror/ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu/dists/
without this change, `sudo apt-get update` fails like:
Err:5 http://deb.rug.nl/ppa/mirror/ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu bionic Release
404 Not Found [IP: 129.125.36.99 80]
...
which fails the build which runs install-deps.sh, like:
Build step 'Execute shell' marked build as failure
Signed-off-by: Kefu Chai <kchai@redhat.com>
$SUDO tee /etc/apt/sources.list.d/ubuntu-toolchain-r.list <<EOF
deb [lang=none] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu $codename main
deb [arch=amd64 lang=none] http://mirror.nullivex.com/ppa/ubuntu-toolchain-r-test $codename main
-deb [arch=amd64 lang=none] http://deb.rug.nl/ppa/mirror/ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu $codename main
EOF
# import PPA's signing key into APT's keyring
cat << ENDOFKEY | $SUDO apt-key add -