$ git clone -n https://src.fedoraproject.org/rpms/rust-bindgen-cli.git /var/lib/mock/f40-build-780969-131388/root/chroot_tmpdir/scmroot/rust-bindgen-cli
Cloning into '/var/lib/mock/f40-build-780969-131388/root/chroot_tmpdir/scmroot/rust-bindgen-cli'...
$ git fetch origin 306de4a38a8a1824d8ae8037e69e5be3eccc15fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bindgen-cli
 * [new ref]         306de4a38a8a1824d8ae8037e69e5be3eccc15fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 306de4a Update to version 0.69.4; Fixes RHBZ#2247522