$ git clone -n https://src.fedoraproject.org/rpms/lw-cli.git /var/lib/mock/f41-build-854080-166804/root/chroot_tmpdir/scmroot/lw-cli
Cloning into '/var/lib/mock/f41-build-854080-166804/root/chroot_tmpdir/scmroot/lw-cli'...
$ git fetch origin bae429c3703f4ce5d613740619c39a9311672be8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lw-cli
 * [new ref]         bae429c3703f4ce5d613740619c39a9311672be8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bae429c Initial package - Closes rhbz#2300025