$ git clone -n https://src.fedoraproject.org/rpms/rust-send_wrapper.git /var/lib/mock/f40-build-2039438-48271/root/chroot_tmpdir/scmroot/rust-send_wrapper
Cloning into '/var/lib/mock/f40-build-2039438-48271/root/chroot_tmpdir/scmroot/rust-send_wrapper'...
$ git fetch origin 4492685ab342a8f69a10ab2a58cdc9f66eb1dbbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-send_wrapper
 * [new ref]         4492685ab342a8f69a10ab2a58cdc9f66eb1dbbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4492685 Initial import (#2241635)