$ git clone -n https://src.fedoraproject.org/rpms/golang-github-acme-lego.git /var/lib/mock/f39-build-1741531-41367/root/chroot_tmpdir/scmroot/golang-github-acme-lego
Cloning into '/var/lib/mock/f39-build-1741531-41367/root/chroot_tmpdir/scmroot/golang-github-acme-lego'...
$ git fetch origin c9d3b05a6a3bd6c55c946c9ce531ba2e8cad5b68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-acme-lego
 * [new ref]         c9d3b05a6a3bd6c55c946c9ce531ba2e8cad5b68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9d3b05 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild