From f91748ba737c9d99b407572756cc003e4d956b8e Mon Sep 17 00:00:00 2001 From: Dmitry Kalinkin Date: Mon, 25 Jul 2016 18:00:08 -0400 Subject: [PATCH] override rx directory permissions in deletePath() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This fixes instantiation of pythonPackages.pytest that produces a directory with less permissions during one of it's tests that leads to a nix error like: error: opening directory ‘/tmp/nix-build-python2.7-pytest-2.9.2.drv-0/pytest-of-user/pytest-0/testdir/test_cache_failure_warns0/.cache’: Permission denied --- src/libutil/util.cc | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/libutil/util.cc b/src/libutil/util.cc index f1e714a66..95103c4e5 100644 --- a/src/libutil/util.cc +++ b/src/libutil/util.cc @@ -330,10 +330,11 @@ static void _deletePath(const Path & path, unsigned long long & bytesFreed) bytesFreed += st.st_blocks * 512; if (S_ISDIR(st.st_mode)) { - /* Make the directory writable. */ - if (!(st.st_mode & S_IWUSR)) { - if (chmod(path.c_str(), st.st_mode | S_IWUSR) == -1) - throw SysError(format("making ‘%1%’ writable") % path); + /* Make the directory accessible. */ + const auto PERM_MASK = S_IRUSR | S_IWUSR | S_IXUSR; + if ((st.st_mode & PERM_MASK) != PERM_MASK) { + if (chmod(path.c_str(), st.st_mode | PERM_MASK) == -1) + throw SysError(format("chmod ‘%1%’") % path); } for (auto & i : readDirectory(path))