$ git clone -n https://src.fedoraproject.org/rpms/rust-cpio.git /var/lib/mock/f40-build-2035561-47975/root/chroot_tmpdir/scmroot/rust-cpio
Cloning into '/var/lib/mock/f40-build-2035561-47975/root/chroot_tmpdir/scmroot/rust-cpio'...
$ git fetch origin bc77aa74835c71daf42424f705a080932f154e9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cpio
 * [new ref]         bc77aa74835c71daf42424f705a080932f154e9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc77aa7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild