$ git clone -n https://src.fedoraproject.org/rpms/sevmgr.git /var/lib/mock/f45-build-35832-699/root/chroot_tmpdir/scmroot/sevmgr
Cloning into '/var/lib/mock/f45-build-35832-699/root/chroot_tmpdir/scmroot/sevmgr'...
$ git fetch origin cca4385c6ae84396b000ecee889cd8156d7cf0c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sevmgr
 * [new ref]         cca4385c6ae84396b000ecee889cd8156d7cf0c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cca4385 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild