feat: add Standard Ruby linter support

README.md

@@ -48,7 +48,7 @@ Linters which are not language-specific:
 | Markdown               | [Prettier]                | [Vale]                           |
 | Protocol Buffer        | [buf]                     | [buf lint]                       |
 | Python                 | [ruff]                    | [flake8], [pylint], [ruff]       |
-| Ruby                   |                           | [RuboCop]                        |
+| Ruby                   |                           | [RuboCop], [Standard]            |
 | Rust                   | [rustfmt]                 |                                  |
 | SQL                    | [prettier-plugin-sql]     |                                  |
 | Scala                  | [scalafmt]                |                                  |
@@ -85,6 +85,7 @@ Linters which are not language-specific:
 [jsonnetfmt]: https://github.com/google/go-jsonnet
 [scalafmt]: https://scalameta.org/scalafmt
 [rubocop]: https://docs.rubocop.org/
+[standard]: https://github.com/standardrb/standard
 [ruff]: https://docs.astral.sh/ruff/
 [pylint]: https://pylint.readthedocs.io/en/stable/
 [shellcheck]: https://www.shellcheck.net/

example/.standard.yml

@@ -0,0 +1,18 @@
+# Standard Ruby configuration for rules_lint example
+#
+# Standard Ruby is a zero-configuration Ruby style guide, linter, and formatter
+# based on RuboCop. See https://github.com/standardrb/standard
+#
+# This file allows minimal customization of Standard Ruby's opinionated defaults.
+
+# Configure target Ruby version
+ruby_version: 3.0
+
+# Ignore certain paths (glob patterns)
+ignore:
+  - 'vendor/**/*'
+  - 'tmp/**/*'
+
+# You can configure specific cops if needed, though Standard discourages this
+# fix: false  # Uncomment to prevent auto-fixing
+# parallel: true  # Uncomment to enable parallel processing

example/BUILD.bazel

@@ -21,6 +21,7 @@ exports_files(
         "checkstyle-suppressions.xml",
         ".ruff.toml",
         ".rubocop.yml",
+        ".standard.yml",
         ".shellcheckrc",
         ".scalafmt.conf",
         ".swcrc",

example/Gemfile

@@ -3,3 +3,4 @@
 source 'https://rubygems.org'
 
 gem 'rubocop', '~> 1.50'
+gem 'standard', '~> 1.35'

example/Gemfile.lock

@@ -15,21 +15,37 @@ GEM
     racc (1.8.1-java)
     rainbow (3.1.1)
     regexp_parser (2.11.3)
-    rubocop (1.81.1)
+    rubocop (1.80.2)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.47.1, < 2.0)
+      rubocop-ast (>= 1.46.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
     rubocop-ast (1.47.1)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
+    rubocop-performance (1.25.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
     ruby-progressbar (1.13.0)
+    standard (1.51.1)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.80.2)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.8)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.8.0)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.25.0)
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.1.0)
@@ -42,6 +58,7 @@ PLATFORMS
 
 DEPENDENCIES
   rubocop (~> 1.50)
+  standard (~> 1.35)
 
 BUNDLED WITH
    2.6.9

example/MODULE.bazel

@@ -150,9 +150,13 @@ ruby.bundle_fetch(
         "racc-1.8.1-java": "54f2e6d1e1b91c154013277d986f52a90e5ececbe91465d29172e49342732b98",
         "rainbow-3.1.1": "039491aa3a89f42efa1d6dec2fc4e62ede96eb6acd95e52f1ad581182b79bc6a",
         "regexp_parser-2.11.3": "ca13f381a173b7a93450e53459075c9b76a10433caadcb2f1180f2c741fc55a4",
-        "rubocop-1.81.1": "352a9a6f314a4312f6c305f1f72bc466254d221c95445cd49e1b65d1f9411635",
+        "rubocop-1.80.2": "6485f30fefcf5c199db3b91e5e253b1ef43f7e564784e2315255809a3dd9abf4",
         "rubocop-ast-1.47.1": "592682017855408b046a8190689490763aecea175238232b1b526826349d01ae",
+        "rubocop-performance-1.25.0": "6f7d03568a770054117a78d0a8e191cefeffb703b382871ca7743831b1a52ec1",
         "ruby-progressbar-1.13.0": "80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33",
+        "standard-1.51.1": "6d0d98a1fac26d660393f37b3d9c864632bb934b17abfa23811996b20f87faf2",
+        "standard-custom-1.0.2": "424adc84179a074f1a2a309bb9cf7cd6bfdb2b6541f20c6bf9436c0ba22a652b",
+        "standard-performance-1.8.0": "ed17b7d0e061b2a19a91dd434bef629439e2f32310f22f26acb451addc92b788",
         "unicode-display_width-3.2.0": "0cdd96b5681a5949cdbc2c55e7b420facae74c4aaf9a9815eee1087cb1853c42",
         "unicode-emoji-4.1.0": "4997d2d5df1ed4252f4830a9b6e86f932e2013fbff2182a9ce9ccabda4f325a5",
     },

example/WORKSPACE.bazel

@@ -362,9 +362,13 @@ rb_bundle_fetch(
         "racc-1.8.1-java": "54f2e6d1e1b91c154013277d986f52a90e5ececbe91465d29172e49342732b98",
         "rainbow-3.1.1": "039491aa3a89f42efa1d6dec2fc4e62ede96eb6acd95e52f1ad581182b79bc6a",
         "regexp_parser-2.11.3": "ca13f381a173b7a93450e53459075c9b76a10433caadcb2f1180f2c741fc55a4",
-        "rubocop-1.81.1": "352a9a6f314a4312f6c305f1f72bc466254d221c95445cd49e1b65d1f9411635",
+        "rubocop-1.80.2": "6485f30fefcf5c199db3b91e5e253b1ef43f7e564784e2315255809a3dd9abf4",
         "rubocop-ast-1.47.1": "592682017855408b046a8190689490763aecea175238232b1b526826349d01ae",
+        "rubocop-performance-1.25.0": "6f7d03568a770054117a78d0a8e191cefeffb703b382871ca7743831b1a52ec1",
         "ruby-progressbar-1.13.0": "80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33",
+        "standard-1.51.1": "6d0d98a1fac26d660393f37b3d9c864632bb934b17abfa23811996b20f87faf2",
+        "standard-custom-1.0.2": "424adc84179a074f1a2a309bb9cf7cd6bfdb2b6541f20c6bf9436c0ba22a652b",
+        "standard-performance-1.8.0": "ed17b7d0e061b2a19a91dd434bef629439e2f32310f22f26acb451addc92b788",
         "unicode-display_width-3.2.0": "0cdd96b5681a5949cdbc2c55e7b420facae74c4aaf9a9815eee1087cb1853c42",
         "unicode-emoji-4.1.0": "4997d2d5df1ed4252f4830a9b6e86f932e2013fbff2182a9ce9ccabda4f325a5",
     },

example/test/BUILD.bazel

@@ -15,6 +15,7 @@ load(
     "rubocop_test",
     "ruff_test",
     "shellcheck_test",
+    "standardrb_test",
 )
 
 write_file(
@@ -194,3 +195,11 @@ rubocop_test(
     # Normally you'd fix the file instead of tagging this test.
     tags = ["manual"],
 )
+
+standardrb_test(
+    name = "standardrb",
+    srcs = ["//src:hello_ruby"],
+    # Expected to fail based on current content of the file.
+    # Normally you'd fix the file instead of tagging this test.
+    tags = ["manual"],
+)

example/test/lint_test.bats

@@ -67,6 +67,15 @@ EOF
 C:  1:  1: [Correctable] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
 W:  4:  1: [Correctable] Lint/UselessAssignment: Useless assignment to variable - unused_variable.
 C:  6:101: Layout/LineLength: Line is too long. [115/100]
+EOF
+
+	# Standard Ruby
+	echo <<"EOF" | assert_output --partial
+== src/hello.rb ==
+W:  4:  1: [Correctable] Lint/UselessAssignment: Useless assignment to variable - unused_variable.
+C: 19:  3: [Correctable] Layout/IndentationWidth: Use 2 (not 4) spaces for indentation.
+W: 29:  1: [Correctable] Lint/UselessAssignment: Useless assignment to variable - message.
+W: 32:  1: [Correctable] Lint/UselessAssignment: Useless assignment to variable - numbers.
 EOF
 
 	# stylelint

example/tools/lint/BUILD.bazel

@@ -119,3 +119,8 @@ alias(
     name = "rubocop",
     actual = "@bundle//bin:rubocop",
 )
+
+alias(
+    name = "standardrb",
+    actual = "@bundle//bin:standardrb",
+)

example/tools/lint/linters.bzl

@@ -9,11 +9,12 @@ load("@aspect_rules_lint//lint:keep_sorted.bzl", "lint_keep_sorted_aspect")
 load("@aspect_rules_lint//lint:ktlint.bzl", "lint_ktlint_aspect")
 load("@aspect_rules_lint//lint:lint_test.bzl", "lint_test")
 load("@aspect_rules_lint//lint:pmd.bzl", "lint_pmd_aspect")
+load("@aspect_rules_lint//lint:pylint.bzl", "lint_pylint_aspect")
 load("@aspect_rules_lint//lint:rubocop.bzl", "lint_rubocop_aspect")
 load("@aspect_rules_lint//lint:ruff.bzl", "lint_ruff_aspect")
-load("@aspect_rules_lint//lint:pylint.bzl", "lint_pylint_aspect")
 load("@aspect_rules_lint//lint:shellcheck.bzl", "lint_shellcheck_aspect")
 load("@aspect_rules_lint//lint:spotbugs.bzl", "lint_spotbugs_aspect")
+load("@aspect_rules_lint//lint:standardrb.bzl", "lint_standardrb_aspect")
 load("@aspect_rules_lint//lint:stylelint.bzl", "lint_stylelint_aspect")
 load("@aspect_rules_lint//lint:vale.bzl", "lint_vale_aspect")
 load("@aspect_rules_lint//lint:yamllint.bzl", "lint_yamllint_aspect")
@@ -150,3 +151,10 @@ rubocop = lint_rubocop_aspect(
 )
 
 rubocop_test = lint_test(aspect = rubocop)
+
+standardrb = lint_standardrb_aspect(
+    binary = Label("//tools/lint:standardrb"),
+    configs = [Label("//:.standard.yml")],
+)
+
+standardrb_test = lint_test(aspect = standardrb)

lint/BUILD.bazel

@@ -205,6 +205,12 @@ bzl_library(
     deps = ["//lint/private:lint_aspect"],
 )
 
+bzl_library(
+    name = "standardrb",
+    srcs = ["standardrb.bzl"],
+    deps = ["//lint/private:lint_aspect"],
+)
+
 bzl_library(
     name = "ruff",
     srcs = ["ruff.bzl"],