$ git clone -n https://git.cclinux.org/stage/rpms/kernel-rt.git /var/lib/mock/dist-circle8_4-updates-build-40980-7813/root/chroot_tmpdir/scmroot/kernel-rt
Cloning into '/var/lib/mock/dist-circle8_4-updates-build-40980-7813/root/chroot_tmpdir/scmroot/kernel-rt'...
$ git reset --hard fb3e579730eb41665f0c1c35d4b3c08a76101ead
HEAD is now at fb3e579 import kernel-rt-4.18.0-305.19.1.rt7.91.el8_4