$ git clone -n https://src.fedoraproject.org/rpms/php-zumba-json-serializer.git /var/lib/mock/f40-build-2023468-46906/root/chroot_tmpdir/scmroot/php-zumba-json-serializer
Cloning into '/var/lib/mock/f40-build-2023468-46906/root/chroot_tmpdir/scmroot/php-zumba-json-serializer'...
$ git fetch origin f2677171d74c05368055c8e3bc20408da95e7a4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-zumba-json-serializer
 * [new ref]         f2677171d74c05368055c8e3bc20408da95e7a4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f267717 v3.2.1