Fix 2732 - Add bashate support

ale_linters/sh/bashate.vim

@@ -0,0 +1,43 @@
+" Author: hsanson <hsanson@gmail.com>
+" Description: Lints sh files using bashate
+" URL: https://github.com/openstack/bashate
+
+call ale#Set('sh_bashate_executable', 'bashate')
+call ale#Set('sh_bashate_options', '')
+
+function! ale_linters#sh#bashate#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'sh_bashate_executable')
+endfunction
+
+function! ale_linters#sh#bashate#GetCommand(buffer) abort
+    let l:options = ale#Var(a:buffer, 'sh_bashate_options')
+    let l:executable = ale_linters#sh#bashate#GetExecutable(a:buffer)
+
+    return ale#Escape(l:executable) . ' ' . l:options . ' ' . '%t'
+endfunction
+
+function! ale_linters#sh#bashate#Handle(buffer, lines) abort
+    " Matches patterns line the following:
+    "
+    " /path/to/script/file:694:1: E003 Indent not multiple of 4
+    let l:pattern = ':\(\d\+\):\(\d\+\): \(.*\)$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:output, {
+        \   'lnum': str2nr(l:match[1]),
+        \   'col': str2nr(l:match[2]),
+        \   'text': l:match[3],
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('sh', {
+\   'name': 'bashate',
+\   'output_stream': 'stdout',
+\   'executable': function('ale_linters#sh#bashate#GetExecutable'),
+\   'command': function('ale_linters#sh#bashate#GetCommand'),
+\   'callback': 'ale_linters#sh#bashate#Handle',
+\})

doc/ale-sh.txt

@@ -2,6 +2,29 @@
 ALE Shell Integration                                          *ale-sh-options*
 
 
+===============================================================================
+bashate                                                        *ale-sh-bashate*
+
+g:ale_sh_bashate_executable                       *g:ale_sh_bashate_executable*
+                                                  *b:ale_sh_bashate_executable*
+  Type: |String|
+  Default: `'bashate'`
+
+  This variable sets executable used for bashate.
+
+
+g:ale_sh_bashate_options                             *g:ale_sh_bashate_options*
+                                                     *b:ale_sh_bashate_options*
+  Type: |String|
+  Default: `''`
+
+  With this variable we are able to pass extra arguments for bashate. For
+  example to ignore the indentation rule:
+
+>
+  let g:ale_sh_shellcheck_options = '-i E003'
+<
+
 ===============================================================================
 sh-language-server                                     *ale-sh-language-server*
 

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

@@ -31,6 +31,7 @@ Notes:
 * Awk
   * `gawk`
 * Bash
+  * `bashate`
   * `language-server`
   * `shell` (-n flag)
   * `shellcheck`

doc/ale.txt

@@ -2593,6 +2593,7 @@ documented in additional help files.
     sasslint..............................|ale-scss-sasslint|
     stylelint.............................|ale-scss-stylelint|
   sh......................................|ale-sh-options|
+    bashate...............................|ale-sh-bashate|
     sh-language-server....................|ale-sh-language-server|
     shell.................................|ale-sh-shell|
     shellcheck............................|ale-sh-shellcheck|

supported-tools.md

@@ -40,6 +40,7 @@ formatting.
 * Awk
   * [gawk](https://www.gnu.org/software/gawk/)
 * Bash
+  * [bashate](https://github.com/openstack/bashate)
   * [language-server](https://github.com/mads-hartmann/bash-language-server)
   * shell [-n flag](https://www.gnu.org/software/bash/manual/bash.html#index-set)
   * [shellcheck](https://www.shellcheck.net/)

test/command_callback/test_bashate_command_callback.vader

@@ -0,0 +1,15 @@
+Before:
+  call ale#assert#SetUpLinterTest('sh', 'bashate')
+  call ale#test#SetFilename('test.sh')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default bashate command should be correct):
+  AssertLinter 'bashate', ale#Escape('bashate') . '  %t'
+
+Execute(The bashate command should accept options):
+  let b:ale_sh_bashate_options = '-i E310 --max-line-length 100'
+
+  AssertLinter 'bashate',
+  \ ale#Escape('bashate') . ' -i E310 --max-line-length 100 %t'

test/handler/test_bashate_handler.vader

@@ -0,0 +1,36 @@
+Before:
+  runtime ale_linters/sh/bashate.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(The bashate handler should handle basic errors):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 777,
+  \     'col': 1,
+  \     'text': 'E003 Indent not multiple of 4',
+  \   },
+  \   {
+  \     'lnum': 783,
+  \     'col': 1,
+  \     'text': 'E020 Function declaration not in format ^function name {$',
+  \   },
+  \   {
+  \     'lnum': 786,
+  \     'col': 1,
+  \     'text': 'E010 The "do" should be on same line as for',
+  \   },
+  \   {
+  \     'lnum': 791,
+  \     'col': 1,
+  \     'text': 'E006 Line too long',
+  \   },
+  \ ],
+  \ ale_linters#sh#bashate#Handle(bufnr(''), [
+  \   'run:777:1: E003 Indent not multiple of 4',
+  \   'run:783:1: E020 Function declaration not in format ^function name {$',
+  \   'run:786:1: E010 The "do" should be on same line as for',
+  \   'run:791:1: E006 Line too long',
+  \ ])