$ git clone -n https://src.fedoraproject.org/rpms/rust-stfu8.git /var/lib/mock/f38-build-side-43-rust-devel-1412892-31443/root/chroot_tmpdir/scmroot/rust-stfu8
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1412892-31443/root/chroot_tmpdir/scmroot/rust-stfu8'...
$ git fetch origin 2bbb4efa92a7439b0a543ff5a55563b03a99b211:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stfu8
 * [new ref]         2bbb4efa92a7439b0a543ff5a55563b03a99b211 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bbb4ef Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild