$ git clone -n https://src.fedoraproject.org/rpms/rust-drm-ffi.git /var/lib/mock/f38-build-side-42-init-devel-1229089-30640/root/chroot_tmpdir/scmroot/rust-drm-ffi
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1229089-30640/root/chroot_tmpdir/scmroot/rust-drm-ffi'...
$ git fetch origin 4628cab083f98c9adffdb0bacb1a427c2a69d463:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-drm-ffi
 * [new ref]         4628cab083f98c9adffdb0bacb1a427c2a69d463 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4628cab Initial import; Fixes: RHBZ#2224815