$ git clone -n https://src.fedoraproject.org/rpms/nemo.git /var/lib/mock/f39-build-1563301-37477/root/chroot_tmpdir/scmroot/nemo
Cloning into '/var/lib/mock/f39-build-1563301-37477/root/chroot_tmpdir/scmroot/nemo'...
$ git fetch origin 2b9d2e3cb9cccc921b8d69644ffdfe40f8450ba7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nemo
 * [new ref]         2b9d2e3cb9cccc921b8d69644ffdfe40f8450ba7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b9d2e3 Add recommends folder-color-switcher-nemo