$ git clone -n https://git.cclinux.org/stage/rpms/mesa.git /var/lib/mock/dist-circle8_5-updates-build-45528-10897/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-circle8_5-updates-build-45528-10897/root/chroot_tmpdir/scmroot/mesa'...
$ git reset --hard 1c1b199fcd85c6fcb06f09ed34f5e2303994d38a
HEAD is now at 1c1b199 import mesa-21.1.5-1.el8