document setuptools monkeypatching and DETERMINISTIC_BUILD=1

This commit is contained in:
Domen Kožar 2014-01-10 22:04:05 +01:00
parent 21ada5b105
commit c80feaf542

View file

@ -54,14 +54,17 @@ python.stdenv.mkDerivation (attrs // {
configurePhase = attrs.configurePhase or ''
runHook preConfigure
# TODO: document
# patch python interpreter to write null timestamps when compiling python files
# with following var we tell python to activate the patch so that python doesn't
# try to update them when we freeze timestamps in nix store
export DETERMINISTIC_BUILD=1
# we need to prepend following line to monkeypatch distutils commands
# prepend following line to import setuptools before distutils
# this way we make sure setuptools monkeypatches distutils commands
# this way setuptools provides extra helpers such as "python setup.py test"
sed -i '0,/import distutils/s//import setuptools;import distutils/' setup.py
sed -i '0,/from distutils/s//import setuptools;from distutils/' setup.py
runHook postConfigure
'';