From dd413a4732ed52e33ec318c7c15a30cf413c87a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Lorenzo=20Rodr=C3=ADguez?=
 <lorenzo@users.noreply.github.com>
Date: Tue, 23 Jan 2018 22:46:59 +0100
Subject: [PATCH 1/2] Improving hadolint checker

- Displaying dockerfile parse errors instead of silently failing
- Adding error detail with link to the docs
---
 ale_linters/dockerfile/hadolint.vim | 30 ++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/ale_linters/dockerfile/hadolint.vim b/ale_linters/dockerfile/hadolint.vim
index 5550d69..6e1c737 100644
--- a/ale_linters/dockerfile/hadolint.vim
+++ b/ale_linters/dockerfile/hadolint.vim
@@ -7,26 +7,46 @@ call ale#Set('dockerfile_hadolint_docker_image', 'lukasmartinelli/hadolint')
 function! ale_linters#dockerfile#hadolint#Handle(buffer, lines) abort
     " Matches patterns line the following:
     "
-    " stdin:19: F: Pipe chain should start with a raw value.
-    let l:pattern = '\v^/dev/stdin:?(\d+)? (\S+) (.+)$'
+    " /dev/stdin:19 DL3001 Pipe chain should start with a raw value.
+    " /dev/stdin:19:3 unexpected thing
+    let l:pattern = '\v^/dev/stdin:(\d+):?(\d+)? ((DL|SC)(\d+) )?(.+)$'
     let l:output = []
 
     for l:match in ale#util#GetMatches(a:lines, l:pattern)
         let l:lnum = 0
+        let l:colnum = 0
 
         if l:match[1] isnot# ''
             let l:lnum = l:match[1] + 0
         endif
 
+        if l:match[2] isnot# ''
+            let l:colnum = l:match[2] + 0
+        endif
+
         let l:type = 'W'
-        let l:text = l:match[3]
+        let l:text = l:match[6]
+        let l:detail = l:match[6]
+        let l:domain = 'https://github.com/hadolint/hadolint/wiki/'
+
+        if l:match[4] is# 'SC'
+            let l:domain = 'https://github.com/koalaman/shellcheck/wiki/'
+        endif
+
+        if l:match[5] isnot# ''
+            let l:code = l:match[4] . l:match[5]
+            let l:link = ' ( ' . l:domain . l:code . ' )'
+            let l:detail = l:code . l:link . "\n\n" . l:detail
+        else
+            let l:type = 'E'
+        endif
 
         call add(l:output, {
         \   'lnum': l:lnum,
-        \   'col': 0,
+        \   'col': l:colnum,
         \   'type': l:type,
         \   'text': l:text,
-        \   'nr': l:match[2],
+        \   'detail': l:detail
         \})
     endfor
 

From 4df87eaaddfceaddd625294c0e601aebf2f68a85 Mon Sep 17 00:00:00 2001
From: Jose Lorenzo Rodriguez <jose.zap@gmail.com>
Date: Mon, 29 Jan 2018 22:21:50 +0100
Subject: [PATCH 2/2] Added tests for hadolint

---
 README.md                                  |  2 +-
 ale_linters/dockerfile/hadolint.vim        |  2 +-
 doc/ale-dockerfile.txt                     |  6 +++---
 test/test_dockerfile_hadolint_linter.vader | 23 +++++++++++++++++++++-
 4 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index c42f4bf..bd7a705 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ formatting.
 | D | [dmd](https://dlang.org/dmd-linux.html) |
 | Dafny | [dafny](https://rise4fun.com/Dafny) !! |
 | Dart | [dartanalyzer](https://github.com/dart-lang/sdk/tree/master/pkg/analyzer_cli) !!, [language_server](https://github.com/natebosch/dart_language_server) |
-| Dockerfile | [hadolint](https://github.com/lukasmartinelli/hadolint) |
+| Dockerfile | [hadolint](https://github.com/hadolint/hadolint) |
 | Elixir | [credo](https://github.com/rrrene/credo), [dialyxir](https://github.com/jeremyjh/dialyxir), [dogma](https://github.com/lpil/dogma) !!|
 | Elm | [elm-format](https://github.com/avh4/elm-format), [elm-make](https://github.com/elm-lang/elm-make) |
 | Erb | [erb](https://github.com/jeremyevans/erubi), [erubis](https://github.com/kwatch/erubis) |
diff --git a/ale_linters/dockerfile/hadolint.vim b/ale_linters/dockerfile/hadolint.vim
index 6e1c737..7772afb 100644
--- a/ale_linters/dockerfile/hadolint.vim
+++ b/ale_linters/dockerfile/hadolint.vim
@@ -2,7 +2,7 @@
 
 " always, yes, never
 call ale#Set('dockerfile_hadolint_use_docker', 'never')
-call ale#Set('dockerfile_hadolint_docker_image', 'lukasmartinelli/hadolint')
+call ale#Set('dockerfile_hadolint_docker_image', 'hadolint/hadolint')
 
 function! ale_linters#dockerfile#hadolint#Handle(buffer, lines) abort
     " Matches patterns line the following:
diff --git a/doc/ale-dockerfile.txt b/doc/ale-dockerfile.txt
index 288addb..805cc47 100644
--- a/doc/ale-dockerfile.txt
+++ b/doc/ale-dockerfile.txt
@@ -5,7 +5,7 @@ ALE Dockerfile Integration                             *ale-dockerfile-options*
 ===============================================================================
 hadolint                                              *ale-dockerfile-hadolint*
 
-  hadolint can be found at: https://github.com/lukasmartinelli/hadolint
+  hadolint can be found at: https://github.com/hadolint/hadolint
 
 
 g:ale_dockerfile_hadolint_use_docker     *g:ale_dockerfile_hadolint_use_docker*
@@ -25,12 +25,12 @@ g:ale_dockerfile_hadolint_use_docker     *g:ale_dockerfile_hadolint_use_docker*
 g:ale_dockerfile_hadolint_image               *g:ale_dockerfile_hadolint_image*
                                               *b:ale_dockerfile_hadolint_image*
   Type: |String|
-  Default: `'lukasmartinelli/hadolint'`
+  Default: `'hadolint/hadolint'`
 
   This variable controls the docker image used to run hadolint.  The default
   is hadolint's author's build, and can be found at:
 
-    https://hub.docker.com/r/lukasmartinelli/hadolint/
+    https://hub.docker.com/r/hadolint/hadolint/
 
 
 ===============================================================================
diff --git a/test/test_dockerfile_hadolint_linter.vader b/test/test_dockerfile_hadolint_linter.vader
index 7262c5b..3edbb2b 100644
--- a/test/test_dockerfile_hadolint_linter.vader
+++ b/test/test_dockerfile_hadolint_linter.vader
@@ -55,7 +55,7 @@ Execute(command is correct when using docker):
   let b:ale_dockerfile_hadolint_use_docker = 'always'
 
   AssertEqual
-  \ "docker run --rm -i lukasmartinelli/hadolint",
+  \ "docker run --rm -i hadolint/hadolint",
   \ ale_linters#dockerfile#hadolint#GetCommand(bufnr(''))
 
 
@@ -66,4 +66,25 @@ Execute(command is correct when not docker):
   \ "hadolint -",
   \ ale_linters#dockerfile#hadolint#GetCommand(bufnr(''))
 
+Execute(test warnings from hadolint):
+  AssertEqual
+  \ [{'lnum': 10, 'col': 0, 'type': 'W', 'text': 'Using latest is prone to errors', 'detail': "DL3007 ( https://github.com/hadolint/hadolint/wiki/DL3007 )\n\nUsing latest is prone to errors"}],
+  \ ale_linters#dockerfile#hadolint#Handle(bufnr(''), [
+  \ '/dev/stdin:10 DL3007 Using latest is prone to errors',
+  \ ])
+
+Execute(test warnings from shellcheck):
+  AssertEqual
+  \ [{'lnum': 3, 'col': 0, 'type': 'W', 'text': 'bar is referenced but not assigned.', 'detail': "SC2154 ( https://github.com/koalaman/shellcheck/wiki/SC2154 )\n\nbar is referenced but not assigned."}],
+  \ ale_linters#dockerfile#hadolint#Handle(bufnr(''), [
+  \ '/dev/stdin:3 SC2154 bar is referenced but not assigned.',
+  \ ])
+
+Execute(test errors from dockerfile parser):
+  AssertEqual
+  \ [{'lnum': 3, 'col': 4, 'type': 'E', 'text': 'unexpected "A" expecting at least one space after ''RUN''', 'detail': 'unexpected "A" expecting at least one space after ''RUN'''}],
+  \ ale_linters#dockerfile#hadolint#Handle(bufnr(''), [
+  \ "/dev/stdin:3:4 unexpected \"A\" expecting at least one space after 'RUN'",
+  \ ])
+
 " fin...