$ git clone -n https://src.fedoraproject.org/rpms/perl-Set-IntSpan.git /var/lib/mock/f45-build-26227-616/root/chroot_tmpdir/scmroot/perl-Set-IntSpan
Cloning into '/var/lib/mock/f45-build-26227-616/root/chroot_tmpdir/scmroot/perl-Set-IntSpan'...
$ git fetch origin a99ef2627774fcbce806b30f70ea3e9fbf8c5dfd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Set-IntSpan
 * [new ref]         a99ef2627774fcbce806b30f70ea3e9fbf8c5dfd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a99ef26 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild