$ git clone -n https://src.fedoraproject.org/rpms/rust-ironrdp-pdu.git /var/lib/mock/f42-build-3342316-44991/root/chroot_tmpdir/scmroot/rust-ironrdp-pdu
Cloning into '/var/lib/mock/f42-build-3342316-44991/root/chroot_tmpdir/scmroot/rust-ironrdp-pdu'...
$ git fetch origin c63e6e6fe9a4501e789de3bd078b5fc434105452:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ironrdp-pdu
 * [new ref]         c63e6e6fe9a4501e789de3bd078b5fc434105452 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c63e6e6 Initial packaging. Fixes: rhbz#2329150