$ git clone -n https://src.fedoraproject.org/rpms/perl-List-UtilsBy.git /var/lib/mock/f45-build-24583-604/root/chroot_tmpdir/scmroot/perl-List-UtilsBy
Cloning into '/var/lib/mock/f45-build-24583-604/root/chroot_tmpdir/scmroot/perl-List-UtilsBy'...
$ git fetch origin dcfead661f2a0bb3b3eaed4587cdf289425afaa7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-List-UtilsBy
 * [new ref]         dcfead661f2a0bb3b3eaed4587cdf289425afaa7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcfead6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild