$ git clone -n https://src.fedoraproject.org/rpms/php-mock-integration2.git /var/lib/mock/f42-build-side-1-3499822-45966/root/chroot_tmpdir/scmroot/php-mock-integration2
Cloning into '/var/lib/mock/f42-build-side-1-3499822-45966/root/chroot_tmpdir/scmroot/php-mock-integration2'...
$ git fetch origin 991ba681a3142010b48e9b3b45504f44d452839b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-mock-integration2
 * [new ref]         991ba681a3142010b48e9b3b45504f44d452839b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 991ba68 v3.0.0