$ git clone -n https://src.fedoraproject.org/forks/cstratak/rpms/pypy.git /var/lib/mock/f43-build-60991527-6587351/root/chroot_tmpdir/scmroot/pypy
Cloning into '/var/lib/mock/f43-build-60991527-6587351/root/chroot_tmpdir/scmroot/pypy'...
$ git fetch origin af68c1e7e88aa10801766b126a32b305d4c20bb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/cstratak/rpms/pypy
 * [new ref]         af68c1e7e88aa10801766b126a32b305d4c20bb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af68c1e CI: Use old virtualenv with Python 2 support