$ git clone -n https://src.fedoraproject.org/rpms/rubygem-turbolinks-source.git /var/lib/mock/f39-build-1464150-33477/root/chroot_tmpdir/scmroot/rubygem-turbolinks-source
Cloning into '/var/lib/mock/f39-build-1464150-33477/root/chroot_tmpdir/scmroot/rubygem-turbolinks-source'...
$ git fetch origin 4d799f77cff7c61e6d44e61f11a8b2ba407484ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-turbolinks-source
 * [new ref]         4d799f77cff7c61e6d44e61f11a8b2ba407484ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d799f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild