$ git clone -n https://src.fedoraproject.org/rpms/rust-fedora.git /var/lib/mock/f41-build-side-1-3124884-39482/root/chroot_tmpdir/scmroot/rust-fedora
Cloning into '/var/lib/mock/f41-build-side-1-3124884-39482/root/chroot_tmpdir/scmroot/rust-fedora'...
$ git fetch origin bfdd63646319bccf588195cb83636d678bb1316d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fedora
 * [new ref]         bfdd63646319bccf588195cb83636d678bb1316d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfdd636 irreparable due to OpenID endpoint breakage in bodhi-server 8.0.0