$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_env.git /var/lib/mock/f40-build-781156-131432/root/chroot_tmpdir/scmroot/rust-uu_env
Cloning into '/var/lib/mock/f40-build-781156-131432/root/chroot_tmpdir/scmroot/rust-uu_env'...
$ git fetch origin 13afd78bf03a35737d6b3768150f56b17b0a9f55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_env
 * [new ref]         13afd78bf03a35737d6b3768150f56b17b0a9f55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13afd78 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild