$ git clone -n https://src.fedoraproject.org/rpms/perl-No-Worries.git /var/lib/mock/f45-build-25495-611/root/chroot_tmpdir/scmroot/perl-No-Worries
Cloning into '/var/lib/mock/f45-build-25495-611/root/chroot_tmpdir/scmroot/perl-No-Worries'...
$ git fetch origin 464cdde34f95a933bf5d6dea8059c38538e4e4a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-No-Worries
 * [new ref]         464cdde34f95a933bf5d6dea8059c38538e4e4a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 464cdde Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild