$ git clone -n https://src.fedoraproject.org/rpms/libosmo-dsp.git /var/lib/mock/f41-build-side-1-2645215-27075/root/chroot_tmpdir/scmroot/libosmo-dsp
Cloning into '/var/lib/mock/f41-build-side-1-2645215-27075/root/chroot_tmpdir/scmroot/libosmo-dsp'...
$ git fetch origin 6e1c184d6e6a74f38d50455eaf65a406cf273f72:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libosmo-dsp
 * [new ref]         6e1c184d6e6a74f38d50455eaf65a406cf273f72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e1c184 convert GPLv2+ license to SPDX