the removed two do not have GCC-9, but the newly added mirros do.
Signed-off-by: Kefu Chai <kchai@redhat.com>
/etc/apt/sources.list.d/ubuntu-toolchain-r.list
echo "deb [lang=none] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu $DIST main" >> \
/etc/apt/sources.list.d/ubuntu-toolchain-r.list
-echo "deb [arch=amd64 lang=none] http://mirror.cs.uchicago.edu/ubuntu-toolchain-r $DIST main" >> \
+echo "deb [arch=amd64 lang=none] http://mirror.nullivex.com/ppa/ubuntu-toolchain-r-test $DIST main >> \
/etc/apt/sources.list.d/ubuntu-toolchain-r.list
-echo "deb [arch=amd64,i386 lang=none] http://mirror.yandex.ru/mirrors/launchpad/ubuntu-toolchain-r $DIST main" >> \
+echo "deb [arch=amd64 lang=none] http://deb.rug.nl/ppa/mirror/ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu $DIST main" >> \
/etc/apt/sources.list.d/ubuntu-toolchain-r.list
EOF
else