$ git clone -n https://src.fedoraproject.org/rpms/rust-pty-process.git /var/lib/mock/f42-build-3264079-41244/root/chroot_tmpdir/scmroot/rust-pty-process
Cloning into '/var/lib/mock/f42-build-3264079-41244/root/chroot_tmpdir/scmroot/rust-pty-process'...
$ git fetch origin 94c57b5d85d3c109702ab09de8c41547755de44d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pty-process
 * [new ref]         94c57b5d85d3c109702ab09de8c41547755de44d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94c57b5 Initial import (#2342331)