$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ruby_engine.git /var/lib/mock/f41-build-side-1-2663967-28919/root/chroot_tmpdir/scmroot/rubygem-ruby_engine
Cloning into '/var/lib/mock/f41-build-side-1-2663967-28919/root/chroot_tmpdir/scmroot/rubygem-ruby_engine'...
$ git fetch origin 1bb92a02d50cf2a7703256c72979d2f5935c10bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-ruby_engine
 * [new ref]         1bb92a02d50cf2a7703256c72979d2f5935c10bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bb92a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild