$ git clone -n https://git.cclinux.org/stage/rpms/mesa /var/lib/mock/dist-circle8-build-13976-2939/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-circle8-build-13976-2939/root/chroot_tmpdir/scmroot/mesa'...
warning: redirecting to https://git.cclinux.org/stage/rpms/mesa.git/
$ git reset --hard e31c3e09afb83ec01bf3852e642afd9b328f50ef
HEAD is now at e31c3e0 import mesa-20.1.4-1.el8