$ git clone -n https://src.fedoraproject.org/rpms/jsoup.git /var/lib/mock/f39-build-1813858-41837/root/chroot_tmpdir/scmroot/jsoup
Cloning into '/var/lib/mock/f39-build-1813858-41837/root/chroot_tmpdir/scmroot/jsoup'...
$ git fetch origin 688f41b65d4b0cb9186fae9cfe630655fa57f11a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsoup
 * [new ref]         688f41b65d4b0cb9186fae9cfe630655fa57f11a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 688f41b Add javapackages test plan