From 4941bd8d0e5d64dea92892fe52c14d856518462c Mon Sep 17 00:00:00 2001
From: John Eikenberry <jae@zhar.net>
Date: Sun, 25 Feb 2018 11:39:45 +0000
Subject: [PATCH] Fix #1358, fix #1369 - Lint the package on save for go vet
 instead

---
 ale_linters/go/govet.vim                      | 29 +++++++++++++++++--
 .../test_govet_command_callback.vader         | 16 ++++++++++
 test/handler/test_govet_handler.vader         | 28 ++++++++++++++++++
 3 files changed, 71 insertions(+), 2 deletions(-)
 create mode 100644 test/command_callback/test_govet_command_callback.vader
 create mode 100644 test/handler/test_govet_handler.vader

diff --git a/ale_linters/go/govet.vim b/ale_linters/go/govet.vim
index f5bb47a3..aae5969d 100644
--- a/ale_linters/go/govet.vim
+++ b/ale_linters/go/govet.vim
@@ -1,10 +1,35 @@
 " Author: neersighted <bjorn@neersighted.com>
 " Description: go vet for Go files
+"
+" Author: John Eikenberry <jae@zhar.net>
+" Description: updated to work with go1.10
+
+function! ale_linters#go#govet#GetCommand(buffer) abort
+    return ale#path#BufferCdString(a:buffer) . ' go vet .'
+endfunction
+
+function! ale_linters#go#govet#Handler(buffer, lines) abort
+    let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):?(\d+)?:? ?(.+)$'
+    let l:output = []
+    let l:dir = expand('#' . a:buffer . ':p:h')
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:output, {
+        \   'filename': ale#path#GetAbsPath(l:dir, l:match[1]),
+        \   'lnum': l:match[2] + 0,
+        \   'col': l:match[3] + 0,
+        \   'text': l:match[4],
+        \   'type': 'E',
+        \})
+    endfor
+    return l:output
+endfunction
 
 call ale#linter#Define('go', {
 \   'name': 'go vet',
 \   'output_stream': 'stderr',
 \   'executable': 'go',
-\   'command': 'go vet %t',
-\   'callback': 'ale#handlers#unix#HandleAsError',
+\   'command_callback': 'ale_linters#go#govet#GetCommand',
+\   'callback': 'ale_linters#go#govet#Handler',
+\   'lint_file': 1,
 \})
diff --git a/test/command_callback/test_govet_command_callback.vader b/test/command_callback/test_govet_command_callback.vader
new file mode 100644
index 00000000..a9b29605
--- /dev/null
+++ b/test/command_callback/test_govet_command_callback.vader
@@ -0,0 +1,16 @@
+Before:
+  runtime ale_linters/go/govet.vim
+
+  call ale#test#SetDirectory('/testplugin/test/command_callback')
+
+After:
+  Restore
+
+  call ale#linter#Reset()
+  call ale#test#RestoreDirectory()
+
+Execute(The default command should be correct):
+  AssertEqual
+  \ 'cd ' . ale#Escape(expand('%:p:h')) . ' && '
+  \ . ' go vet .',
+  \ ale_linters#go#govet#GetCommand(bufnr(''))
diff --git a/test/handler/test_govet_handler.vader b/test/handler/test_govet_handler.vader
new file mode 100644
index 00000000..b4bfdc93
--- /dev/null
+++ b/test/handler/test_govet_handler.vader
@@ -0,0 +1,28 @@
+Before:
+  runtime ale_linters/go/govet.vim
+
+After:
+  call ale#linter#Reset()
+
+Execute(The govet handler should return the correct filenames):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 27,
+  \     'col': 0,
+  \     'text': 'some error',
+  \     'type': 'E',
+  \     'filename': ale#path#Simplify(expand('%:p:h') . '/test.go'),
+  \   },
+  \   {
+  \     'lnum': 27,
+  \     'col': 5,
+  \     'text': 'some error with a column',
+  \     'type': 'E',
+  \     'filename': ale#path#Simplify(expand('%:p:h') . '/other.go'),
+  \   },
+  \ ],
+  \ ale_linters#go#govet#Handler(bufnr(''), [
+  \   'test.go:27: some error',
+  \   'other.go:27:5: some error with a column',
+  \ ])