$ git clone -n https://src.fedoraproject.org/rpms/phpunit8.git /var/lib/mock/f41-build-side-1-2753442-31224/root/chroot_tmpdir/scmroot/phpunit8
Cloning into '/var/lib/mock/f41-build-side-1-2753442-31224/root/chroot_tmpdir/scmroot/phpunit8'...
$ git fetch origin 2b22bd3e64bba8c9e597eb57c76eb58c7ac4c7a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phpunit8
 * [new ref]         2b22bd3e64bba8c9e597eb57c76eb58c7ac4c7a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b22bd3 v8.5.40