$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-codec.git /var/lib/mock/f40-build-2609168-63775/root/chroot_tmpdir/scmroot/apache-commons-codec
Cloning into '/var/lib/mock/f40-build-2609168-63775/root/chroot_tmpdir/scmroot/apache-commons-codec'...
$ git fetch origin d377379d89b36cbbef34684f117bb35214d29320:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-codec
 * [new ref]         d377379d89b36cbbef34684f117bb35214d29320 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d377379 Rebuilt for java-21-openjdk as system jdk