Run actionlint by default on GitHub files

Detect paths containing .github as a directory for running actionlint
by default on YAML filetypes.

7 files changed, 61 insertions, 47 deletions

diff --git a/ale_linters/yaml/actionlint.vim b/ale_linters/yaml/actionlint.vim
index 20455765..5afe6d48 100644
--- a/ale_linters/yaml/actionlint.vim
+++ b/ale_linters/yaml/actionlint.vim
@@ -5,6 +5,11 @@ call ale#Set('yaml_actionlint_executable', 'actionlint')
 call ale#Set('yaml_actionlint_options', '')
 
 function! ale_linters#yaml#actionlint#GetCommand(buffer) abort
+    " Only execute actionlint on YAML files in /.github/ paths.
+    if expand('#' . a:buffer . ':p') !~# '\v[/\\]\.github[/\\]'
+        return ''
+    endif
+
     let l:options = ale#Var(a:buffer, 'yaml_actionlint_options')
 
     if l:options !~# '-no-color'
diff --git a/autoload/ale/linter.vim b/autoload/ale/linter.vim
index 20104fbc..3cfd8ead 100644
--- a/autoload/ale/linter.vim
+++ b/autoload/ale/linter.vim
@@ -60,7 +60,7 @@ let s:default_ale_linters = {
 \   'vue': ['eslint', 'vls'],
 \   'zsh': ['shell'],
 \   'v': ['v'],
-\   'yaml': ['spectral', 'yaml-language-server', 'yamllint'],
+\   'yaml': ['actionlint', 'spectral', 'yaml-language-server', 'yamllint'],
 \}
 
 " Testing/debugging helper to unload all linters.
diff --git a/doc/ale.txt b/doc/ale.txt
index 9f5d4f86..c7ed1a44 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -1670,7 +1670,7 @@ g:ale_linters                                                   *g:ale_linters*
   \   'vue': ['eslint', 'vls'],
   \   'zsh': ['shell'],
   \   'v': ['v'],
-  \   'yaml': ['spectral', 'yaml-language-server', 'yamllint'],
+  \   'yaml': ['actionlint', 'spectral', 'yaml-language-server', 'yamllint'],
   \}
 <
   This option can be used to enable only a particular set of linters for a
diff --git a/supported-tools.md b/supported-tools.md
index 0b6383f5..56a5a6c9 100644
--- a/supported-tools.md
+++ b/supported-tools.md
@@ -720,7 +720,7 @@ formatting.
 * XML
   * [xmllint](http://xmlsoft.org/xmllint.html)
 * YAML
-  * [actionlint](https://github.com/rhysd/actionlint) :warning:
+  * [actionlint](https://github.com/rhysd/actionlint)
   * [circleci](https://circleci.com/docs/2.0/local-cli) :floppy_disk: :warning:
   * [gitlablint](https://github.com/elijah-roberts/gitlab-lint)
   * [prettier](https://github.com/prettier/prettier)
diff --git a/test/handler/test_actionlint_handler.vader b/test/handler/test_actionlint_handler.vader
new file mode 100644
index 00000000..abf01b31
--- /dev/null
+++ b/test/handler/test_actionlint_handler.vader
@@ -0,0 +1,43 @@
+Before:
+  runtime ale_linters/yaml/actionlint.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(Problems should be parsed correctly for actionlint):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 2,
+  \     'col': 1,
+  \     'type': 'E',
+  \     'text': '"jobs" section is missing in workflow',
+  \     'code': 'syntax-check',
+  \   },
+  \   {
+  \     'lnum': 56,
+  \     'col': 23,
+  \     'type': 'E',
+  \     'text': 'property "unknown_input" is not defined in object type {input7: bool; input0: any; input1: any; input2: string; input3: any; input4: any; input5: number; input6: number}',
+  \     'code': 'expression',
+  \   },
+  \ ],
+  \ ale_linters#yaml#actionlint#Handle(bufnr(''), [
+  \   '.codecov.yaml:2:1: "jobs" section is missing in workflow [syntax-check]',
+  \   'workflow_call_event.yaml:56:23: property "unknown_input" is not defined in object type {input7: bool; input0: any; input1: any; input2: string; input3: any; input4: any; input5: number; input6: number} [expression]',
+  \ ])
+
+Execute(Shellcheck issues should be reported at the line they appear):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 19,
+  \     'col': 9,
+  \     'type': 'E',
+  \     'text': 'Double quote to prevent globbing and word splitting',
+  \     'code': 'shellcheck SC2086',
+  \   },
+  \ ],
+  \ ale_linters#yaml#actionlint#Handle(bufnr(''), [
+  \   'validate.yml:19:9: shellcheck reported issue in this script: SC2086:info:1:15: Double quote to prevent globbing and word splitting [shellcheck]'
+  \ ])
diff --git a/test/linter/test_yaml_actionlint.vader b/test/linter/test_yaml_actionlint.vader
index d9970cf5..db34007f 100644
--- a/test/linter/test_yaml_actionlint.vader
+++ b/test/linter/test_yaml_actionlint.vader
@@ -1,57 +1,20 @@
 Before:
   call ale#assert#SetUpLinterTest('yaml', 'actionlint')
+  call ale#test#SetFilename('/.github/file.yml')
 
 After:
   call ale#assert#TearDownLinterTest()
 
-Execute(Problems should be parsed correctly for actionlint):
-  AssertEqual
-  \ [
-  \   {
-  \     'lnum': 2,
-  \     'col': 1,
-  \     'type': 'E',
-  \     'text': '"jobs" section is missing in workflow',
-  \     'code': 'syntax-check',
-  \   },
-  \   {
-  \     'lnum': 56,
-  \     'col': 23,
-  \     'type': 'E',
-  \     'text': 'property "unknown_input" is not defined in object type {input7: bool; input0: any; input1: any; input2: string; input3: any; input4: any; input5: number; input6: number}',
-  \     'code': 'expression',
-  \   },
-  \ ],
-  \ ale_linters#yaml#actionlint#Handle(bufnr(''), [
-  \   '.codecov.yaml:2:1: "jobs" section is missing in workflow [syntax-check]',
-  \   'workflow_call_event.yaml:56:23: property "unknown_input" is not defined in object type {input7: bool; input0: any; input1: any; input2: string; input3: any; input4: any; input5: number; input6: number} [expression]',
-  \ ])
-
-Execute(Shellcheck issues should be reported at the line they appear):
-  AssertEqual
-  \ [
-  \   {
-  \     'lnum': 19,
-  \     'col': 9,
-  \     'type': 'E',
-  \     'text': 'Double quote to prevent globbing and word splitting',
-  \     'code': 'shellcheck SC2086',
-  \   },
-  \ ],
-  \ ale_linters#yaml#actionlint#Handle(bufnr(''), [
-  \   'validate.yml:19:9: shellcheck reported issue in this script: SC2086:info:1:15: Double quote to prevent globbing and word splitting [shellcheck]'
-  \ ])
-
 Execute(Command should always have -no-color, -oneline and - options):
   let g:ale_yaml_actionlint_options = ''
 
-  AssertEqual
-  \   '%e  -no-color -oneline - ',
-  \ ale_linters#yaml#actionlint#GetCommand(bufnr(''))
+  AssertLinter 'actionlint', ale#Escape('actionlint') . '  -no-color -oneline - '
 
 Execute(Options should be added to command):
   let g:ale_yaml_actionlint_options = '-shellcheck= -pyflakes='
 
-  AssertEqual
-  \   '%e -shellcheck= -pyflakes= -no-color -oneline - ',
-  \ ale_linters#yaml#actionlint#GetCommand(bufnr(''))
+  AssertLinter 'actionlint',
+  \ ale#Escape('actionlint') .  ' -shellcheck= -pyflakes= -no-color -oneline - '
+
+Execute(actionlint not run on files outside of /.github/ paths):
+  call ale#test#SetFilename('/something-else/file.yml')
diff --git a/test/test_filetype_linter_defaults.vader b/test/test_filetype_linter_defaults.vader
index 242a57de..b4b6380d 100644
--- a/test/test_filetype_linter_defaults.vader
+++ b/test/test_filetype_linter_defaults.vader
@@ -135,3 +135,6 @@ Execute(The defaults for the vader filetype should be correct):
 Execute(Default aliases for React should be defined):
   AssertEqual ['javascript', 'jsx'], ale#linter#ResolveFiletype('javascriptreact')
   AssertEqual ['typescript', 'tsx'], ale#linter#ResolveFiletype('typescriptreact')
+
+Execute(The defaults for the yaml filetype should be correct):
+  AssertEqual ['actionlint', 'spectral', 'yaml-language-server', 'yamllint'], GetLinterNames('yaml')