$ git clone -n https://src.fedoraproject.org/rpms/jsr-305.git /var/lib/mock/f40-build-2132999-50813/root/chroot_tmpdir/scmroot/jsr-305
Cloning into '/var/lib/mock/f40-build-2132999-50813/root/chroot_tmpdir/scmroot/jsr-305'...
$ git fetch origin 1295e62660422473d4681db3261f2ff94d04b7d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsr-305
 * [new ref]         1295e62660422473d4681db3261f2ff94d04b7d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1295e62 Update javapackages test plan to f40