$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Future-IO-Impl.git /var/lib/mock/f45-build-26677-618/root/chroot_tmpdir/scmroot/perl-Test-Future-IO-Impl
Cloning into '/var/lib/mock/f45-build-26677-618/root/chroot_tmpdir/scmroot/perl-Test-Future-IO-Impl'...
$ git fetch origin 7611cbd6fc40589aea4e365a591aee5ef6ff32bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Future-IO-Impl
 * [new ref]         7611cbd6fc40589aea4e365a591aee5ef6ff32bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7611cbd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild