$ git clone -n https://src.fedoraproject.org/rpms/jgoodies-forms.git /var/lib/mock/f38-build-side-42-init-devel-608852-26260/root/chroot_tmpdir/scmroot/jgoodies-forms
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-608852-26260/root/chroot_tmpdir/scmroot/jgoodies-forms'...
$ git fetch origin f70383e3e1a5342648f0b5f98f11ad8017aad5c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jgoodies-forms
 * [new ref]         f70383e3e1a5342648f0b5f98f11ad8017aad5c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f70383e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild