Dhall fixes: use stdin, doc errors (#3868)

* purs-tidy

* Dhall fixes: use stdin, docs errors

autoload/ale/fixers/dhall_format.vim

@@ -3,12 +3,9 @@
 "
 function! ale#fixers#dhall_format#Fix(buffer) abort
     let l:executable = ale#dhall#GetExecutableWithOptions(a:buffer)
-    let l:command = l:executable
-    \   . ' format'
-    \   . ' --inplace %t'
 
     return {
-    \   'command': l:command,
-    \   'read_temporary_file': 1,
+    \   'command': l:executable
+    \       . ' format'
     \}
 endfunction

autoload/ale/fixers/dhall_freeze.vim

@@ -1,18 +1,14 @@
 " Author: toastal <toastal@posteo.net>
-" Description: Dhall's package freezing
+" Description: Dhall’s package freezing
 
 call ale#Set('dhall_freeze_options', '')
 
 function! ale#fixers#dhall_freeze#Freeze(buffer) abort
     let l:executable = ale#dhall#GetExecutableWithOptions(a:buffer)
-    let l:command = l:executable
-    \   . ' freeze'
-    \   . ale#Pad(ale#Var(a:buffer, 'dhall_freeze_options'))
-    \   . ' --inplace %t'
-
 
     return {
-    \   'command': l:command,
-    \   'read_temporary_file': 1,
+    \   'command': l:executable
+    \       . ' freeze'
+    \       . ale#Pad(ale#Var(a:buffer, 'dhall_freeze_options'))
     \}
 endfunction

autoload/ale/fixers/dhall_lint.vim

@@ -3,12 +3,9 @@
 
 function! ale#fixers#dhall_lint#Fix(buffer) abort
     let l:executable = ale#dhall#GetExecutableWithOptions(a:buffer)
-    let l:command = l:executable
-    \   . ' lint'
-    \   . ' --inplace %t'
 
     return {
-    \   'command': l:command,
-    \   'read_temporary_file': 1,
+    \   'command': l:executable
+    \       . ' lint'
     \}
 endfunction

doc/ale-dhall.txt

@@ -6,15 +6,15 @@ g:ale_dhall_executable                                 *g:ale_dhall_executable*
   Type: |String|
   Default: `'dhall'`
 
-g:ale_dhall_options                                       g:ale_dhall_options
-                                                          b:ale_dhall_options
+g:ale_dhall_options                                       *g:ale_dhall_options*
+                                                          *b:ale_dhall_options*
   Type: |String|
   Default: `''`
 
   This variable can be set to pass additional options to the 'dhall` executable.
   This is shared with `dhall-freeze` and `dhall-lint`.
 >
-  let g:dhall_options = '--ascii'
+  let g:ale_dhall_options = '--ascii'
 <
 
 ===============================================================================
@@ -30,15 +30,15 @@ dhall-freeze                                                 *ale-dhall-freeze*
 Dhall
   (https://dhall-lang.org/)
 
-g:ale_dhall_freeze_options                         g:ale_dhall_freeze_options
-                                                   b:ale_dhall_freeze_options
+g:ale_dhall_freeze_options                         *g:ale_dhall_freeze_options*
+                                                   *b:ale_dhall_freeze_options*
   Type: |String|
   Default: `''`
 
   This variable can be set to pass additional options to the 'dhall freeze`
   executable.
 >
-  let g:dhall_freeze_options = '--all'
+  let g:ale_dhall_freeze_options = '--all'
 <
 
 ===============================================================================

test/fixers/test_dhall_format_fixer_callback.vader

@@ -17,8 +17,6 @@ Execute(The dhall-format callback should return the correct options):
   AssertFixer
   \ {
   \   'command': ale#Escape('odd-dhall')
-  \     . ' --ascii'
-  \     . ' format'
-  \     . ' --inplace %t',
-  \   'read_temporary_file': 1,
+  \       . ' --ascii'
+  \       . ' format'
   \ }

test/fixers/test_dhall_freeze_fixer_callback.vader

@@ -16,9 +16,7 @@ Execute(The dhall-freeze callback should return the correct options):
   AssertFixer
   \ {
   \   'command': ale#Escape('odd-dhall')
-  \     . ' --ascii'
-  \     . ' freeze'
-  \     . ' --all'
-  \     . ' --inplace %t',
-  \   'read_temporary_file': 1,
+  \       . ' --ascii'
+  \       . ' freeze'
+  \       . ' --all'
   \ }

test/fixers/test_dhall_lint_fixer_callback.vader

@@ -15,8 +15,6 @@ Execute(The dhall-lint callback should return the correct options):
   AssertFixer
   \ {
   \   'command': ale#Escape('odd-dhall')
-  \     . ' --ascii'
-  \     . ' lint'
-  \     . ' --inplace %t',
-  \   'read_temporary_file': 1,
+  \       . ' --ascii'
+  \       . ' lint'
   \ }