$ git clone -n https://src.fedoraproject.org/rpms/sdrangel.git /var/lib/mock/f39-build-2312847-57624/root/chroot_tmpdir/scmroot/sdrangel
Cloning into '/var/lib/mock/f39-build-2312847-57624/root/chroot_tmpdir/scmroot/sdrangel'...
$ git fetch origin 839c17c468899d0c43493c0d277de1b527cb9513:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdrangel
 * [new ref]         839c17c468899d0c43493c0d277de1b527cb9513 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 839c17c New version