$ git clone -n https://src.fedoraproject.org/rpms/python-zstd.git /var/lib/mock/f40-build-783686-133089/root/chroot_tmpdir/scmroot/python-zstd
Cloning into '/var/lib/mock/f40-build-783686-133089/root/chroot_tmpdir/scmroot/python-zstd'...
$ git fetch origin 3c49b84aa9d327cbe2e58a600e6eefb3efc36a7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zstd
 * [new ref]         3c49b84aa9d327cbe2e58a600e6eefb3efc36a7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c49b84 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild