$ git clone -n https://src.fedoraproject.org/rpms/erlang-js.git /var/lib/mock/f40-build-2442992-61076/root/chroot_tmpdir/scmroot/erlang-js
Cloning into '/var/lib/mock/f40-build-2442992-61076/root/chroot_tmpdir/scmroot/erlang-js'...
$ git fetch origin 12bb43cd8a1e92125e5f6a26809c31b687c9a1dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-js
 * [new ref]         12bb43cd8a1e92125e5f6a26809c31b687c9a1dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12bb43c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild