#447 Support zsh in the shell linter

ale_linters/sh/shell.vim

@@ -38,7 +38,7 @@ function! ale_linters#sh#shell#Handle(buffer, lines) abort
     "
     " bash: line 13: syntax error near unexpected token `d'
     " sh: 11: Syntax error: "(" unexpected
-    let l:pattern = '^[^:]\+: \%(\w\+ \|\)\(\d\+\): \(.\+\)'
+    let l:pattern = '\v(line |: ?)(\d+): (.+)$'
     let l:output = []
 
     for l:line in a:lines
@@ -48,8 +48,8 @@ function! ale_linters#sh#shell#Handle(buffer, lines) abort
             continue
         endif
 
-        let l:line = l:match[1] + 0
-        let l:text = l:match[2]
+        let l:line = l:match[2] + 0
+        let l:text = l:match[3]
         let l:type = 'E'
 
         call add(l:output, {

test/handler/test_shell_handler.vader

@@ -0,0 +1,53 @@
+After:
+  call ale#linter#Reset()
+
+Execute(The shell handler should parse lines correctly):
+  runtime ale_linters/sh/shell.vim
+
+  AssertEqual
+  \ [
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 13,
+  \     'text': 'syntax error near unexpected token d',
+  \     'type': 'E',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 7,
+  \     'text': 'line 42: line 36:',
+  \     'type': 'E',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 11,
+  \     'text': 'Syntax error: "(" unexpected',
+  \     'type': 'E',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 95,
+  \     'text': 'parse error near `out=$(( $1 / 1024. )...',
+  \     'type': 'E',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 22,
+  \     'text': ':11: :33: :44:',
+  \     'type': 'E',
+  \   },
+  \   {
+  \     'bufnr': 347,
+  \     'lnum': 9,
+  \     'text': '`done'' unexpected',
+  \     'type': 'E',
+  \   },
+  \ ],
+  \ ale_linters#sh#shell#Handle(347, [
+  \   'bash: line 13: syntax error near unexpected token d',
+  \   'bash: line 7: line 42: line 36:',
+  \   'sh: 11: Syntax error: "(" unexpected',
+  \   'qfm:95: parse error near `out=$(( $1 / 1024. )...',
+  \   'qfm:22: :11: :33: :44:',
+  \   'foo.sh: syntax error at line 9: `done'' unexpected',
+  \ ])