diff options
Diffstat (limited to 'third_party/nix/default.nix')
| -rw-r--r-- | third_party/nix/default.nix | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/third_party/nix/default.nix b/third_party/nix/default.nix index 15eb69d184..b48551cff0 100644 --- a/third_party/nix/default.nix +++ b/third_party/nix/default.nix @@ -12,12 +12,36 @@ let customMemoryManagement = false; }; - src = ./.; + src = let + srcDir = ./.; + # create relative paths for all the sources we are filtering + asRelative = path: + let + srcS = toString srcDir; + pathS = toString path; + in + if ! lib.hasPrefix srcS pathS then + throw "Path is outside of the working directory." + else + lib.removePrefix srcS pathS; + + in builtins.filterSource (path: type: + # Strip out .nix files that are in the root of the repository. Changing + # the expression of tvix shouldn't cause a rebuild of tvix unless really + # required. + !(dirOf (asRelative path) == "/" && lib.hasSuffix ".nix" path) && + + # remove the proto files from the repo as those are compiled separately + !(lib.hasPrefix "src/proto" (asRelative path)) && + + # ignore result symlinks + !(type == "symlink" && lib.hasPrefix "result" (baseNameOf path)) + ) srcDir; # Proto generation in CMake is theoretically possible, but that is # very theoretical - this does it in Nix instead. protoSrcs = pkgs.runCommand "nix-proto-srcs" {} '' - export PROTO_SRCS=${src + "/src/proto"} + export PROTO_SRCS=${./src/proto} mkdir -p $out/libproto ${pkgs.protobuf}/bin/protoc -I=$PROTO_SRCS \ --cpp_out=$out/libproto \ |