$ git clone -n https://src.fedoraproject.org/rpms/rust-drm.git /var/lib/mock/f40-build-2163029-50956/root/chroot_tmpdir/scmroot/rust-drm
Cloning into '/var/lib/mock/f40-build-2163029-50956/root/chroot_tmpdir/scmroot/rust-drm'...
$ git fetch origin 57f58636e015df4b66382b86cf5afa3ab5f2a4d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-drm
 * [new ref]         57f58636e015df4b66382b86cf5afa3ab5f2a4d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57f5863 Drop outdated, examples-only rustyline dev-dependency