$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Time.git /var/lib/mock/f45-build-26866-619/root/chroot_tmpdir/scmroot/perl-Test-Time
Cloning into '/var/lib/mock/f45-build-26866-619/root/chroot_tmpdir/scmroot/perl-Test-Time'...
$ git fetch origin 35c69379e253b3981d660966570897d87ab2de45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Time
 * [new ref]         35c69379e253b3981d660966570897d87ab2de45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35c6937 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild