Setup Neovim yamllint the same way as xmllint

Do not install globally.
Provide configuration at expected location as default / fallback.

home.nix

@@ -67,7 +67,6 @@
     pkgs.silver-searcher
     pkgs.curl
     pkgs.wget
-    pkgs.yamllint
     pkgs.kcachegrind
     pkgs.geckodriver
 
@@ -134,6 +133,7 @@
     "ctags/config.ctags".source = ./home/files/ctags;
     "litecli/config".source = ./home/files/litecli;
     "phpactor".source = ./home/files/phpactor;
+    "yamllint/config".source = ./home/files/yamllint/config;
     "tig/config".source = ./home/files/tig;
 
     "cmus/smyckblue.theme".source = ./home/files/cmus/smyckblue.theme;

home/files/yamllint/config

@@ -0,0 +1,23 @@
+extends: default
+
+rules:
+    line-length: disable
+    document-start: disable
+    braces:
+        min-spaces-inside-empty: 0
+        max-spaces-inside-empty: 0
+    brackets:
+        min-spaces-inside-empty: 0
+        max-spaces-inside-empty: 0
+    comments:
+        level: error
+        min-spaces-from-content: 1
+    comments-indentation:
+        level: error
+    empty-lines:
+        max: 1
+    empty-values:
+        forbid-in-block-mappings: true
+        forbid-in-flow-mappings: true
+    indentation:
+        spaces: 2

home/programs/neovim.nix

@@ -321,6 +321,7 @@ in {
         # Keep line break as fileContents strips last EOL
         + ''
 
+          let g:ale_yaml_yamllint_executable = '${pkgs.yamllint}/bin/yamllint'
           let g:ale_xml_xmllint_executable = '${pkgs.libxml2}/bin/xmllint'
           let g:ale_gitcommit_gitlint_executable = '${pkgs.gitlint}/bin/gitlint'
           let g:ale_nix_statix_check_executable = '${pkgs.statix}/bin/statix'