$ git clone -n https://src.fedoraproject.org/rpms/sevmgr.git /var/lib/mock/f42-build-3458036-45512/root/chroot_tmpdir/scmroot/sevmgr
Cloning into '/var/lib/mock/f42-build-3458036-45512/root/chroot_tmpdir/scmroot/sevmgr'...
$ git fetch origin 15a72530229affeaf06d32781cab72c7c0b95687:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sevmgr
 * [new ref]         15a72530229affeaf06d32781cab72c7c0b95687 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15a7253 Upstream upgrade