$ git clone -n https://src.fedoraproject.org/rpms/djview4.git /var/lib/mock/f41-build-3152102-40629/root/chroot_tmpdir/scmroot/djview4
Cloning into '/var/lib/mock/f41-build-3152102-40629/root/chroot_tmpdir/scmroot/djview4'...
$ git fetch origin 2c1d99189489579a2584bf34ed4e13f3d4c8552f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/djview4
 * [new ref]         2c1d99189489579a2584bf34ed4e13f3d4c8552f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c1d991 convert GPLv2+ license to SPDX