$ git clone -n https://src.fedoraproject.org/rpms/rust-bindgen.git /var/lib/mock/f39-build-1730235-41247/root/chroot_tmpdir/scmroot/rust-bindgen
Cloning into '/var/lib/mock/f39-build-1730235-41247/root/chroot_tmpdir/scmroot/rust-bindgen'...
$ git fetch origin d054899a7320b9454bc6492bfc8e72a37b35ad16:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bindgen
 * [new ref]         d054899a7320b9454bc6492bfc8e72a37b35ad16 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d054899 Update to version 0.68.1; Fixes RHBZ#2167834