$ git clone -n https://git.cclinux.org/stage/rpms/kernel-rt.git /var/lib/mock/dist-circle8_10-updates-build-118870-82684/root/chroot_tmpdir/scmroot/kernel-rt
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-118870-82684/root/chroot_tmpdir/scmroot/kernel-rt'...
$ git fetch origin e40515bffff5396c5232c7cead2d59083dc5e6e3:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/kernel-rt
 * [new ref]         e40515bffff5396c5232c7cead2d59083dc5e6e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e40515b import kernel-rt-4.18.0-553.27.1.rt7.368.el8_10