$ git clone -n https://src.fedoraproject.org/rpms/erlang-sext.git /var/lib/mock/f40-build-2645358-66553/root/chroot_tmpdir/scmroot/erlang-sext
Cloning into '/var/lib/mock/f40-build-2645358-66553/root/chroot_tmpdir/scmroot/erlang-sext'...
$ git fetch origin b3e1f6a2026a1522a24a27eb77ed5c44db4ded3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-sext
 * [new ref]         b3e1f6a2026a1522a24a27eb77ed5c44db4ded3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3e1f6a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild