$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcompletion.git /var/lib/mock/f40-build-787381-134746/root/chroot_tmpdir/scmroot/kf5-kcompletion
Cloning into '/var/lib/mock/f40-build-787381-134746/root/chroot_tmpdir/scmroot/kf5-kcompletion'...
$ git fetch origin cd71623ec4cc18a7640918786d5d2bf2c41b9573:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcompletion
 * [new ref]         cd71623ec4cc18a7640918786d5d2bf2c41b9573 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd71623 5.115.0