$ git clone -n https://src.fedoraproject.org/rpms/selenium-manager.git /var/lib/mock/f42-build-side-1-3585422-46904/root/chroot_tmpdir/scmroot/selenium-manager
Cloning into '/var/lib/mock/f42-build-side-1-3585422-46904/root/chroot_tmpdir/scmroot/selenium-manager'...
$ git fetch origin c52d9bb81563587151d04b55626f1fc616860433:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/selenium-manager
 * [new ref]         c52d9bb81563587151d04b55626f1fc616860433 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c52d9bb Merge branch 'rawhide' into f42