$ git clone -n https://src.fedoraproject.org/rpms/php-justinrainbow-json-schema5.git /var/lib/mock/f45-build-27912-626/root/chroot_tmpdir/scmroot/php-justinrainbow-json-schema5
Cloning into '/var/lib/mock/f45-build-27912-626/root/chroot_tmpdir/scmroot/php-justinrainbow-json-schema5'...
$ git fetch origin a1e42c739ccac401f2931840b4d982f90360828c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-justinrainbow-json-schema5
 * [new ref]         a1e42c739ccac401f2931840b4d982f90360828c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1e42c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild