$ git clone -n https://src.fedoraproject.org/rpms/php-swaggest-json-diff.git /var/lib/mock/f39-build-2117587-50720/root/chroot_tmpdir/scmroot/php-swaggest-json-diff
Cloning into '/var/lib/mock/f39-build-2117587-50720/root/chroot_tmpdir/scmroot/php-swaggest-json-diff'...
$ git fetch origin fbe108193989d12e44150d47d7160f62b7336ac4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-swaggest-json-diff
 * [new ref]         fbe108193989d12e44150d47d7160f62b7336ac4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbe1081 v3.10.5