Make nix integration more seamless

.gitignore

@@ -1,3 +1,4 @@
 .cache
-bazel-*
 .output-bazelrc
+bazel-*
+nix/bzl/nix-file-deps.bzl

example_project_bzl_4/WORKSPACE

@@ -20,18 +20,22 @@ http_archive(
     sha256 = "4dccbfd22c0def164c8f47458bd50e0c7148f3d92002cdb459c2a96a68498241",
 )
 
-http_archive(
-    name = "io_tweag_rules_nixpkgs",
-    sha256 = "7efb0f82cda5cdaa8e96b687734c5704b91353561d7889e5d84a13b6d30f4cb8",
-    strip_prefix = "rules_nixpkgs-05a445575de51872f528c537cc7ff3ab11114f21",
-    urls = ["https://github.com/tweag/rules_nixpkgs/archive/05a445575de51872f528c537cc7ff3ab11114f21.tar.gz"],
+local_repository(
+    name = "distruptor_nix",
+    path = "../nix",
 )
 
-load("@io_tweag_rules_nixpkgs//nixpkgs:repositories.bzl", "rules_nixpkgs_dependencies")
-rules_nixpkgs_dependencies()
+load("@distruptor_nix//bzl:deps.bzl", "distruptor_deps")
+distruptor_deps()
+
+load("@distruptor_nix//bzl:deps_init.bzl", "deps_init")
+deps_init()
+
+load("@distruptor_nix//bzl:defs.bzl", "nix_repositories_init")
+nix_repositories_init()
 
-load("//third_party/nix:defs.bzl", "NIX_REPOSITORIES", "nix_repositories")
-nix_repositories()
+load("@distruptor_nix//bzl:pkgs.bzl", "nix_packages_init")
+nix_packages_init()
 
 load("//third_party/cpp_toolchains:defs.bzl", "cpp_toolchains")
 cpp_toolchains()

example_project_bzl_4/hello_world/BUILD.bazel

@@ -8,6 +8,6 @@ cc_binary(
       "*.cpp"
     ]),
     deps = [
-      "//third_party/xz"
+      "@distruptor_nix//bzl/packages:xz"
     ]
 )

example_project_bzl_4/readline_example_c/BUILD.bazel

@@ -8,6 +8,6 @@ cc_binary(
       "*.c"
     ]),
     deps = [
-      "//third_party/readline",
+      "@distruptor_nix//bzl/packages:readline"
     ]
 )

example_project_bzl_4/server_c/BUILD.bazel

@@ -8,6 +8,6 @@ cc_binary(
       "*.c"
     ]),
     deps = [
-      "//third_party/libuv",
+      "@distruptor_nix//bzl/packages:libuv"
     ]
 )

example_project_bzl_4/shell.nix

@@ -29,6 +29,7 @@ in pkgs.stdenv.mkDerivation {
     export TERM=xterm
     # readlink as absolute path is needed
     echo "startup --output_base $(readlink -f ./bazel-output)" > "$(pwd)"/.output-bazelrc
+    echo "build --disk_cache=$(readlink -f $(pwd))/bazel-disk-cache" >> "$(pwd)"/.output-bazelrc
   '';
   TMPDIR = "/tmp";
 }

example_project_bzl_4/third_party/BUILD.bazel

@@ -1,4 +1,5 @@
 """ This packages contains thrid party dependencies. """
+load("@distruptor_nix//bzl:defs.bzl", "nix_package")
 
 exports_files([
     "dependencies.bzl"

example_project_bzl_4/third_party/cpp_toolchains/defs.bzl

@@ -1,6 +1,5 @@
+load("@distruptor_nix//bzl:defs.bzl", "NIX_REPOSITORIES")
 load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_cc_configure")
-load("//third_party/nix:defs.bzl", "NIX_REPOSITORIES")
-
 
 def cpp_toolchains():
     # Naming convention (after nixpkgs)

example_project_bzl_4/third_party/dependencies.bzl

@@ -1,15 +1,2 @@
-load("@//third_party/libuv:defs.bzl", "libuv")
-load("@//third_party/ncurses:defs.bzl", "ncurses")
-load("@//third_party/readline:defs.bzl", "readline")
-load("@//third_party/xorg.libX11:defs.bzl", "libX11")
-load("@//third_party/xorg.xorgproto:defs.bzl", "xorgproto")
-load("@//third_party/xz:defs.bzl", "xz")
-
 def third_party_deps():
     """Load 3rd party dependencies"""
-    libuv()
-    libX11()
-    ncurses()
-    readline()
-    xorgproto()
-    xz()