$ git clone -n https://src.fedoraproject.org/rpms/rubygem-cucumber-core.git /var/lib/mock/f39-build-1677743-40960/root/chroot_tmpdir/scmroot/rubygem-cucumber-core
Cloning into '/var/lib/mock/f39-build-1677743-40960/root/chroot_tmpdir/scmroot/rubygem-cucumber-core'...
$ git fetch origin 093d80b1a5a4abdf04173e970a63967d27abd4c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-cucumber-core
 * [new ref]         093d80b1a5a4abdf04173e970a63967d27abd4c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 093d80b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild