feat: add ale_go_govet_options variable

ale_linters/go/govet.vim

@@ -4,8 +4,12 @@
 " Author: John Eikenberry <jae@zhar.net>
 " Description: updated to work with go1.10
 
+call ale#Set('go_govet_options', '')
+
 function! ale_linters#go#govet#GetCommand(buffer) abort
+    let l:options = ale#Var(a:buffer, 'go_govet_options')
     return ale#path#BufferCdString(a:buffer) . ' go vet .'
+    \   . (!empty(l:options) ? ' ' . l:options : '')
 endfunction
 
 call ale#linter#Define('go', {

doc/ale-go.txt

@@ -44,6 +44,17 @@ g:ale_go_gofmt_options                                 *g:ale_go_gofmt_options*
   This variable can be set to pass additional options to the gofmt fixer.
 
 
+===============================================================================
+govet                                                            *ale-go-govet*
+
+g:ale_go_govet_options                                 *g:ale_go_govet_options*
+                                                       *b:ale_go_govet_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to the go vet linter.
+
+
 ===============================================================================
 gometalinter                                              *ale-go-gometalinter*
 

doc/ale.txt

@@ -90,6 +90,7 @@ CONTENTS                                                         *ale-contents*
     go....................................|ale-go-options|
       gobuild.............................|ale-go-gobuild|
       gofmt...............................|ale-go-gofmt|
+      govet...............................|ale-go-govet|
       gometalinter........................|ale-go-gometalinter|
       staticcheck.........................|ale-go-staticcheck|
     graphql...............................|ale-graphql-options|

test/command_callback/test_govet_command_callback.vader

@@ -6,3 +6,7 @@ After:
 
 Execute(The default command should be correct):
   AssertLinter 'go', 'cd ' . ale#Escape(expand('%:p:h')) . ' &&  go vet .'
+
+Execute(Extra options should be supported):
+  let g:ale_go_govet_options = '--foo-bar'
+  AssertLinter 'go', 'cd ' . ale#Escape(expand('%:p:h')) . ' &&  go vet . --foo-bar'