Add support for bingo (#2165)

* Add support for https://github.com/saibing/bingo
* Add docs for ale-go-bingo
* Use go.mod when found
* Add test for bingo FindProjectRoot
* Simplify ale_linters#go#bingo#GetCommand

1 files changed, 29 insertions, 0 deletions

diff --git a/ale_linters/go/bingo.vim b/ale_linters/go/bingo.vim
new file mode 100644
index 00000000..ba80fbe8
--- /dev/null
+++ b/ale_linters/go/bingo.vim
@@ -0,0 +1,29 @@
+" Author: Jerko Steiner <https://github.com/jeremija>
+" Description: https://github.com/saibing/bingo
+
+call ale#Set('go_bingo_executable', 'bingo')
+call ale#Set('go_bingo_options', '--mode stdio')
+
+function! ale_linters#go#bingo#GetCommand(buffer) abort
+    return '%e' . ale#Pad(ale#Var(a:buffer, 'go_bingo_options'))
+endfunction
+
+function! ale_linters#go#bingo#FindProjectRoot(buffer) abort
+    let l:project_root = ale#path#FindNearestFile(a:buffer, 'go.mod')
+    let l:mods = ':h'
+
+    if empty(l:project_root)
+        let l:project_root = ale#path#FindNearestDirectory(a:buffer, '.git')
+        let l:mods = ':h:h'
+    endif
+
+    return !empty(l:project_root) ? fnamemodify(l:project_root, l:mods) : ''
+endfunction
+
+call ale#linter#Define('go', {
+\   'name': 'bingo',
+\   'lsp': 'stdio',
+\   'executable_callback': ale#VarFunc('go_bingo_executable'),
+\   'command_callback': 'ale_linters#go#bingo#GetCommand',
+\   'project_root_callback': 'ale_linters#go#bingo#FindProjectRoot',
+\})