Fix buildifier

BUILD.bazel

@@ -14,6 +14,8 @@ exports_files(
         "BUILD.bazel",
         "WORKSPACE",
         "constants.bzl",
+        "non_module_dev_deps.bzl",
+        "non_module_dev_deps_2.bzl",
     ],
     visibility = ["//buildifier:__pkg__"],
 )

buildifier/BUILD.bazel

@@ -1,23 +1,28 @@
 load("@com_github_bazelbuild_buildtools//buildifier:def.bzl", "buildifier", "buildifier_test")
+load("@os_info//:os_info.bzl", "is_nixos")
 
 buildifier_exclude_patterns = [
     "./vendor/**",
 ]
 
+# Buildifier does not work yet with bzlmod+nixos
+# See https://github.com/bazelbuild/bazel-gazelle/issues/1469
+manual_on_nixos = ["manual"] if is_nixos else []
+
 # Run this to check for errors in BUILD files.
 buildifier(
     name = "buildifier",
     exclude_patterns = buildifier_exclude_patterns,
     mode = "check",
-    tags = ["manual"],
+    tags = manual_on_nixos,
 )
 
 # Run this to fix the errors in BUILD files.
 buildifier(
     name = "buildifier-fix",
     exclude_patterns = buildifier_exclude_patterns,
     mode = "fix",
-    tags = ["manual"],
+    tags = manual_on_nixos,
     verbose = True,
 )
 
@@ -33,7 +38,6 @@ buildifier_test(
         "//buildifier:all_files",
         "//debug/linking_utils:all_files",
         "//docs:all_files",
-        "//extensions:all_files",
         "//haskell:all_files",
         "//nixpkgs:all_files",
         "//rule_info:all_files",
@@ -44,10 +48,7 @@ buildifier_test(
         "@tutorial//:all_files",
     ],
     mode = "diff",
-    tags = [
-        "dont_test_on_windows",
-        "manual",
-    ],
+    tags = ["dont_test_on_windows"] + manual_on_nixos,
 )
 
 filegroup(

rules_haskell_tests/WORKSPACE

@@ -190,4 +190,3 @@ bind(
     name = "python_headers",
     actual = "@com_google_protobuf//util/python:python_headers",
 )
-

rules_haskell_tests/buildifier/BUILD.bazel

@@ -1,17 +1,22 @@
 load("@com_github_bazelbuild_buildtools//buildifier:def.bzl", "buildifier", "buildifier_test")
+load("@os_info//:os_info.bzl", "is_nixos")
+
+# Buildifier does not work yet with bzlmod+nixos
+# See https://github.com/bazelbuild/bazel-gazelle/issues/1469
+manual_on_nixos = ["manual"] if is_nixos else []
 
 # Run this to check for errors in BUILD files.
 buildifier(
     name = "buildifier",
     mode = "check",
-    tags = ["manual"],
+    tags = manual_on_nixos,
 )
 
 # Run this to fix the errors in BUILD files.
 buildifier(
     name = "buildifier-fix",
     mode = "fix",
-    tags = ["manual"],
+    tags = manual_on_nixos,
     verbose = True,
 )
 
@@ -27,10 +32,7 @@ buildifier_test(
         "//tests:all_files",
     ],
     mode = "diff",
-    tags = [
-        "dont_test_on_windows",
-        "manual",
-    ],
+    tags = ["dont_test_on_windows"] + manual_on_nixos,
 )
 
 filegroup(

tools/os_info.bzl

@@ -8,6 +8,7 @@ is_linux = cpu_value == "k8" or cpu_value == "aarch64"
 is_windows = cpu_value == "x64_windows"
 nix_shell = {NIX_SHELL}
 is_nix_shell = nix_shell != None
+is_nixos = {IS_NIXOS}
 """
 
 def _os_info_impl(repository_ctx):
@@ -22,9 +23,11 @@ def _os_info_impl(repository_ctx):
     if cpu not in known_cpu_values:
         fail("Unknown OS type {}, expected one of {}".format(cpu, ", ".join(known_cpu_values)))
     nix_shell = repository_ctx.os.environ.get("IN_NIX_SHELL")
+    is_nixos = repository_ctx.execute(["test", "-e", "/etc/NIXOS"]).return_code == 0
     os_info_substitutions = {
         "CPU_VALUE": cpu,
         "NIX_SHELL": repr(nix_shell),
+        "IS_NIXOS": is_nixos,
     }
     repository_ctx.file(
         "os_info.bzl",