policy: add cffi policy for PyPy
This adds cffi policy in the case where we don't want to use C modules,
but instead we're happy to rely on cffi (bundled with pypy)
#require test-repo slow debhelper
$ . "$TESTDIR/helpers-testrepo.sh"
Ensure debuild doesn't run the testsuite, as that could get silly.
$ DEB_BUILD_OPTIONS=nocheck
$ export DEB_BUILD_OPTIONS
$ OUTPUTDIR=`pwd`
$ export OUTPUTDIR
$ cd "$TESTDIR"/..
$ make deb > $OUTPUTDIR/build.log 2>&1
$ cd $OUTPUTDIR
$ ls *.deb
mercurial-common_*.deb (glob)
mercurial_*.deb (glob)
main deb should have .so but no .py
$ dpkg --contents mercurial_*.deb | egrep '(localrepo|parsers)'
* ./usr/lib/python2.7/dist-packages/mercurial/parsers*.so (glob)
mercurial-common should have py but no .so or pyc
$ dpkg --contents mercurial-common_*.deb | egrep '(localrepo|parsers)'
* ./usr/lib/python2.7/dist-packages/mercurial/localrepo.py (glob)