$ git clone -n https://src.fedoraproject.org/rpms/erlang-pkix.git /var/lib/mock/f39-build-2415227-60568/root/chroot_tmpdir/scmroot/erlang-pkix
Cloning into '/var/lib/mock/f39-build-2415227-60568/root/chroot_tmpdir/scmroot/erlang-pkix'...
$ git fetch origin c4828cc6ac6cb07a654cf1ef7bbad0f541cba98a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-pkix
 * [new ref]         c4828cc6ac6cb07a654cf1ef7bbad0f541cba98a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4828cc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild