$ git clone -n https://src.fedoraproject.org/rpms/php-swaggest-json-schema.git /var/lib/mock/f40-build-2134750-50815/root/chroot_tmpdir/scmroot/php-swaggest-json-schema
Cloning into '/var/lib/mock/f40-build-2134750-50815/root/chroot_tmpdir/scmroot/php-swaggest-json-schema'...
$ git fetch origin 2acdd04e8afa47767d86f9a05d984d50682c94cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-swaggest-json-schema
 * [new ref]         2acdd04e8afa47767d86f9a05d984d50682c94cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2acdd04 switch to phpunit9