$ git clone -n https://src.fedoraproject.org/rpms/sdrangel.git /var/lib/mock/f39-build-2091642-50235/root/chroot_tmpdir/scmroot/sdrangel
Cloning into '/var/lib/mock/f39-build-2091642-50235/root/chroot_tmpdir/scmroot/sdrangel'...
$ git fetch origin 6c2952c028327c07160991568f64b4cb7cbe3e24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdrangel
 * [new ref]         6c2952c028327c07160991568f64b4cb7cbe3e24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c2952c New version