$ git clone -n https://src.fedoraproject.org/rpms/rust-html5ever.git /var/lib/mock/f40-build-2325378-58807/root/chroot_tmpdir/scmroot/rust-html5ever
Cloning into '/var/lib/mock/f40-build-2325378-58807/root/chroot_tmpdir/scmroot/rust-html5ever'...
$ git fetch origin bf88eb34723a8f2b46e11d948e9a4ba8136db052:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-html5ever
 * [new ref]         bf88eb34723a8f2b46e11d948e9a4ba8136db052 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf88eb3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild