Merge pull request #2540 from sijad/pgformatter

add pgformatter fixer

autoload/ale/fix/registry.vim

@@ -305,6 +305,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['tex'],
 \       'description' : 'Indent code within environments, commands, after headings and within special code blocks.',
 \   },
+\   'pgformatter': {
+\       'function': 'ale#fixers#pgformatter#Fix',
+\       'suggested_filetypes': ['sql'],
+\       'description': 'A PostgreSQL SQL syntax beautifier',
+\   },
 \}
 
 " Reset the function registry to the default entries.

autoload/ale/fixers/pgformatter.vim

@@ -0,0 +1,12 @@
+call ale#Set('sql_pgformatter_executable', 'pg_format')
+call ale#Set('sql_pgformatter_options', '')
+
+function! ale#fixers#pgformatter#Fix(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'sql_pgformatter_executable')
+    let l:options = ale#Var(a:buffer, 'sql_pgformatter_options')
+
+    return {
+    \   'command': ale#Escape(l:executable)
+    \       . (empty(l:options) ? '' : ' ' . l:options),
+    \}
+endfunction