$ git clone -n https://git.cclinux.org/stage/rpms/gstreamer1-plugins-base.git /var/lib/mock/dist-circle8_10-updates-build-125934-89499/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-125934-89499/root/chroot_tmpdir/scmroot/gstreamer1-plugins-base'...
$ git fetch origin 397d827853ca6f1bce1adf576ce6e8caa28eda0e:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/gstreamer1-plugins-base
 * [new ref]         397d827853ca6f1bce1adf576ce6e8caa28eda0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 397d827 import gstreamer1-plugins-base-1.16.1-5.el8_10