$ git clone -n https://src.fedoraproject.org/rpms/rust-ironrdp-error.git /var/lib/mock/f42-build-3262710-41241/root/chroot_tmpdir/scmroot/rust-ironrdp-error
Cloning into '/var/lib/mock/f42-build-3262710-41241/root/chroot_tmpdir/scmroot/rust-ironrdp-error'...
$ git fetch origin d7c3bce074b8082fdcfc1fd6e19d60c139e56823:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ironrdp-error
 * [new ref]         d7c3bce074b8082fdcfc1fd6e19d60c139e56823 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7c3bce Initial packaging rhbz#2329126