$ git clone -n https://src.fedoraproject.org/rpms/rust-bindgen-cli.git /var/lib/mock/f40-build-739490-109006/root/chroot_tmpdir/scmroot/rust-bindgen-cli
Cloning into '/var/lib/mock/f40-build-739490-109006/root/chroot_tmpdir/scmroot/rust-bindgen-cli'...
$ git fetch origin a7e356924ce96ec941b6cebcd85c70074f53ff85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bindgen-cli
 * [new ref]         a7e356924ce96ec941b6cebcd85c70074f53ff85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7e3569 Build with support for dlopening libclang.so at runtime