$ git clone -n https://src.fedoraproject.org/rpms/testng.git /var/lib/mock/f40-build-2309452-57351/root/chroot_tmpdir/scmroot/testng
Cloning into '/var/lib/mock/f40-build-2309452-57351/root/chroot_tmpdir/scmroot/testng'...
$ git fetch origin 5f32db5b2e6d31ec2c4cc38fe7ae877064172a34:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/testng
 * [new ref]         5f32db5b2e6d31ec2c4cc38fe7ae877064172a34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f32db5 Update javapackages test plan to f40