$ git clone -n https://src.fedoraproject.org/rpms/tpm2-abrmd.git /var/lib/mock/f45-build-37303-712/root/chroot_tmpdir/scmroot/tpm2-abrmd
Cloning into '/var/lib/mock/f45-build-37303-712/root/chroot_tmpdir/scmroot/tpm2-abrmd'...
$ git fetch origin 66a3bff825b01444622aa35e48e02c1e70e5aef1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tpm2-abrmd
 * [new ref]         66a3bff825b01444622aa35e48e02c1e70e5aef1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66a3bff Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild