.vimrc: Add yaml round trip linter

3 files changed, 109 insertions, 2 deletions

diff --git a/.config/nixpkgs/config.nix b/.config/nixpkgs/config.nix
index 15dd1ac..8576a48 100644
--- a/.config/nixpkgs/config.nix
+++ b/.config/nixpkgs/config.nix
@@ -286,8 +286,7 @@ in
     Python = pkgs.buildEnv {
       name = "python";
       paths = [
-        (python38.withPackages
-          (ps: with ps; [ mypy bandit pylint pip2nix pyflakes ]))
+        (python38.withPackages (ps: with ps; [ mypy bandit pylint pip2nix pyflakes ]))
       ];
     };
 
@@ -369,5 +368,13 @@ in
         csslint
       ];
     };
+
+    YAML = pkgs.buildEnv {
+      name = "yaml";
+      paths = [
+        (callPackage ./packages/ruamel.yaml.cmd/default.nix {})
+        python38Packages.yamllint
+      ];
+    };
   };
 }
diff --git a/.config/nixpkgs/packages/ruamel.yaml.cmd/default.nix b/.config/nixpkgs/packages/ruamel.yaml.cmd/default.nix
new file mode 100644
index 0000000..f0ca9f6
--- /dev/null
+++ b/.config/nixpkgs/packages/ruamel.yaml.cmd/default.nix
@@ -0,0 +1,68 @@
+{ stdenv, python38 }:
+
+with python38.pkgs;
+
+let
+
+  meta = with stdenv.lib; {
+    license = licenses.mit;
+    description = "Command line utility to manipulate YAML files";
+    homepage = "https://sourceforge.net/p/ruamel-yaml-cmd/code/ci/default/tree";
+  };
+
+  ruamel.std.argparse = buildPythonPackage rec {
+    pname = "ruamel.std.argparse";
+    version = "0.8.3";
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "0srv4g6jryyaz26csx315pbmfhm4rw8jhfsl7rq7krrglgqwjryi";
+    };
+    doCheck = false;
+    inherit meta;
+  };
+
+  ruamel.std.convert = buildPythonPackage rec {
+    pname = "ruamel.yaml.convert";
+    version = "0.3.2";
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "1i6919b5f5ygj7y7c4x0wi91n8y0mw4nf9f0bcfjk29i594xjph6";
+    };
+    propagatedBuildInputs = [ python-dateutil ruamel_yaml ];
+    doCheck = false;
+    inherit meta;
+  };
+
+  ruamel.yaml.cmd = buildPythonPackage rec {
+    pname = "ruamel.yaml.cmd";
+    version = "0.5.6";
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "0zc2h6b721r8c05dm7y8zgrgbvifbgcm8jmqvns7ar4ajll3cvwv";
+    };
+    propagatedBuildInputs = [ configobj ruamel.std.argparse ruamel.std.convert ];
+    doCheck = false;
+    dontWrapPythonPrograms = true;
+    inherit meta;
+  };
+
+in buildPythonApplication rec {
+
+  pname = ruamel.yaml.cmd.pname;
+  version = ruamel.yaml.cmd.version;
+  propagatedBuildInputs = [ ruamel.yaml.cmd ];
+  pythonEnvironment = python38.withPackages (_: propagatedBuildInputs);
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp ${ruamel.yaml.cmd}/bin/yaml $out/bin
+    sed -i 's|^#!.*$|#!${pythonEnvironment}/bin/python3.8|' $out/bin/yaml
+    runHook postInstall
+  '';
+
+  dontUnpack = true;
+  dontBuild = true;
+  doCheck = false;
+  inherit meta;
+}
diff --git a/.config/yamllint/config b/.config/yamllint/config
new file mode 100644
index 0000000..2e4932f
--- /dev/null
+++ b/.config/yamllint/config
@@ -0,0 +1,32 @@
+---
+yaml-files:
+- '*.yaml'
+- '*.yml'
+- .yamllint
+
+rules:
+  braces: enable
+  brackets: enable
+  colons: enable
+  commas: enable
+  comments:
+    level: warning
+  comments-indentation:
+    level: warning
+  document-end: disable
+  document-start:
+    level: warning
+  empty-lines: enable
+  empty-values: disable
+  hyphens: enable
+  indentation: disable
+  key-duplicates: enable
+  key-ordering: disable
+  line-length: enable
+  new-line-at-end-of-file: enable
+  new-lines: enable
+  octal-values: disable
+  quoted-strings: disable
+  trailing-spaces: enable
+  truthy:
+    level: warning