$ git clone -n https://src.fedoraproject.org/rpms/rust-stfu8.git /var/lib/mock/f40-build-2653906-66904/root/chroot_tmpdir/scmroot/rust-stfu8
Cloning into '/var/lib/mock/f40-build-2653906-66904/root/chroot_tmpdir/scmroot/rust-stfu8'...
$ git fetch origin 4b6ac08b49e82ee99a5e4306d1f129be3a3653d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stfu8
 * [new ref]         4b6ac08b49e82ee99a5e4306d1f129be3a3653d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b6ac08 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild