$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-MockTime-HiRes.git /var/lib/mock/f45-build-26763-619/root/chroot_tmpdir/scmroot/perl-Test-MockTime-HiRes
Cloning into '/var/lib/mock/f45-build-26763-619/root/chroot_tmpdir/scmroot/perl-Test-MockTime-HiRes'...
$ git fetch origin c3808afda106a3cdb37112e741752140e2e05a4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-MockTime-HiRes
 * [new ref]         c3808afda106a3cdb37112e741752140e2e05a4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3808af Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild