$ git clone -n https://src.fedoraproject.org/rpms/rust-drm-ffi.git /var/lib/mock/f39-build-2360291-60336/root/chroot_tmpdir/scmroot/rust-drm-ffi
Cloning into '/var/lib/mock/f39-build-2360291-60336/root/chroot_tmpdir/scmroot/rust-drm-ffi'...
$ git fetch origin 3c8597d4300479ad30fdc5fb508fb12e0c215e23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-drm-ffi
 * [new ref]         3c8597d4300479ad30fdc5fb508fb12e0c215e23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c8597d Update to 0.7.1; Fixes: RHBZ#2240195