$ git clone -n https://src.fedoraproject.org/rpms/sdrangel.git /var/lib/mock/f39-build-1571950-37781/root/chroot_tmpdir/scmroot/sdrangel
Cloning into '/var/lib/mock/f39-build-1571950-37781/root/chroot_tmpdir/scmroot/sdrangel'...
$ git fetch origin c1ebac814abd339a2b1e7e912b1970d1f8823cd9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdrangel
 * [new ref]         c1ebac814abd339a2b1e7e912b1970d1f8823cd9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1ebac8 New version