Add yq support

ale_linters/yaml/yq.vim

@@ -0,0 +1,22 @@
+" Author: axhav <william@axhav.se>
+call ale#Set('yaml_yq_executable', 'yq')
+call ale#Set('yaml_yq_options', '')
+call ale#Set('yaml_yq_filters', '.')
+
+" Matches patterns like the following:
+let s:pattern = '^Error\:.* line \(\d\+\)\: \(.\+\)$'
+
+function! ale_linters#yaml#yq#Handle(buffer, lines) abort
+    return ale#util#MapMatches(a:lines, s:pattern, {match -> {
+    \   'lnum': match[1] + 0,
+    \   'text': match[2],
+    \}})
+endfunction
+
+call ale#linter#Define('yaml', {
+\   'name': 'yq',
+\   'executable': {b -> ale#Var(b, 'yaml_yq_executable')},
+\   'output_stream': 'stderr',
+\   'command': '%e',
+\   'callback': 'ale_linters#yaml#yq#Handle',
+\})

autoload/ale/fix/registry.vim

@@ -207,6 +207,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['python'],
 \       'description': 'Fix Python files with yapf.',
 \   },
+\   'yq': {
+\       'function': 'ale#fixers#yq#Fix',
+\       'suggested_filetypes': ['yaml'],
+\       'description': 'Fix YAML files with yq.',
+\   },
 \   'rubocop': {
 \       'function': 'ale#fixers#rubocop#Fix',
 \       'suggested_filetypes': ['ruby'],

autoload/ale/fixers/yq.vim

@@ -0,0 +1,22 @@
+call ale#Set('yaml_yq_executable', 'yq')
+call ale#Set('yaml_yq_options', '')
+call ale#Set('yaml_yq_filters', '.')
+
+function! ale#fixers#yq#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'yaml_yq_executable')
+endfunction
+
+function! ale#fixers#yq#Fix(buffer) abort
+    let l:options = ale#Var(a:buffer, 'yaml_yq_options')
+    let l:filters = ale#Var(a:buffer, 'yaml_yq_filters')
+
+    if empty(l:filters)
+        return 0
+    endif
+
+    return {
+    \  'command': ale#Escape(ale#fixers#yq#GetExecutable(a:buffer))
+    \      . ' ' . l:filters . ' '
+    \      . l:options,
+    \}
+endfunction

doc/ale-supported-languages-and-tools.txt

@@ -728,6 +728,7 @@ Notes:
   * `yamlfix`
   * `yamlfmt`
   * `yamllint`
+  * `yq`
 * YANG
   * `yang-lsp`
 * Zeek

doc/ale-yaml.txt

@@ -366,5 +366,37 @@ g:ale_yaml_gitlablint_options                     *g:ale_yaml_gitlablint_options
   This variable can be set to pass additional options to gll.
 
 
+===============================================================================
+yq                                                                  *ale-yaml-yq*
+
+Website: https://github.com/mikefarah/yq
+
+
+Installation
+-------------------------------------------------------------------------------
+
+Install yq: >
+
+  wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY}.tar.gz -O - | tar xz && mv ${BINARY} /usr/bin/yq
+
+Options
+-------------------------------------------------------------------------------
+
+g:ale_yaml_yq_executable                               *g:ale_yaml_yq_executable*
+                                                       *b:ale_yaml_yq_executable*
+  Type: |String|
+  Default: `'gll'`
+
+  This variable can be set to change the path to gll.
+
+
+g:ale_yaml_yq_options                                     *g:ale_yaml_yq_options*
+                                                          *b:ale_yaml_yq_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to gll.
+
+
 ===============================================================================
   vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:

doc/ale.txt

@@ -3516,6 +3516,7 @@ documented in additional help files.
     yamlfmt...............................|ale-yaml-yamlfmt|
     yamllint..............................|ale-yaml-yamllint|
     gitlablint............................|ale-yaml-gitlablint|
+    yq....................................|ale-yaml-yq|
   yang....................................|ale-yang-options|
     yang-lsp..............................|ale-yang-lsp|
   zeek....................................|ale-zeek-options|

supported-tools.md

@@ -737,6 +737,7 @@ formatting.
   * [yamlfix](https://lyz-code.github.io/yamlfix)
   * [yamlfmt](https://github.com/google/yamlfmt)
   * [yamllint](https://yamllint.readthedocs.io/)
+  * [yq](https://github.com/mikefarah/yq)
 * YANG
   * [yang-lsp](https://github.com/theia-ide/yang-lsp)
 * Zeek

test/linter/test_yq.vader

@@ -0,0 +1,8 @@
+Before:
+  call ale#assert#SetUpLinterTest('yaml', 'yq')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'yq', ale#Escape('yq')