Provide /var/run/nscd/socket in the sandbox

Otherwise sandbox builds can fail, e.g. $ NIX_REMOTE=local?root=/tmp/nix nix-build '<nixpkgs>' -A hello --option build-use-substitutes false ... downloading ‘http://ftpmirror.gnu.org/bash/bash-4.3-patches/bash43-047’... error: unable to download ‘http://ftpmirror.gnu.org/bash/bash-4.3-patches/bash43-047’: Couldn't resolve host name (6)
NixOS · Jan 2, 2017 · b6b142b · b6b142b
1 parent c4f4eef
commit b6b142b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
@@ -2340,6 +2340,7 @@ void DerivationGoal::runChild()
                 ss.push_back("/etc/nsswitch.conf");
                 ss.push_back("/etc/services");
                 ss.push_back("/etc/hosts");
+                ss.push_back("/var/run/nscd/socket");
             }
 
             for (auto & i : ss) dirsInChroot[i] = i;