$ git clone -n https://src.fedoraproject.org/rpms/rubygem-fog-libvirt.git /var/lib/mock/f41-build-1740215-24683/root/chroot_tmpdir/scmroot/rubygem-fog-libvirt
Cloning into '/var/lib/mock/f41-build-1740215-24683/root/chroot_tmpdir/scmroot/rubygem-fog-libvirt'...
$ git fetch origin c8781a68467d308760af0b4000d8b90ee21b2a48:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-fog-libvirt
 * [new ref]         c8781a68467d308760af0b4000d8b90ee21b2a48 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8781a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild