purge environment before parsing PKGBUILDs
purge environment before parsing PKGBUILDs

falconindy/pkgbuild-introspection,nandub/pkgbuild-introspection,mikkeloscar/pkgbuild-introspection,nandub/pkgbuild-introspection,falconindy/pkgbuild-introspection,mikkeloscar/pkgbuild-introspection