From 573ffd3b1e74dd0a6bd568ea3d163e7b38390655 Mon Sep 17 00:00:00 2001
From: cos <cos>
Date: Fri, 18 Feb 2022 17:18:43 +0100
Subject: fixup, wip: Revert `rust_only_current_buffer`

There is already a `rust_ignore_secondary_spans` option, providing more
hiding of errors than anyone likely can desire.
---
 ale_linters/rust/cargo.vim     |  1 -
 autoload/ale/handlers/rust.vim | 20 +-------------------
 doc/ale-rust.txt               | 11 -----------
 3 files changed, 1 insertion(+), 31 deletions(-)

diff --git a/ale_linters/rust/cargo.vim b/ale_linters/rust/cargo.vim
index e5fe888d..37fd10a8 100644
--- a/ale_linters/rust/cargo.vim
+++ b/ale_linters/rust/cargo.vim
@@ -12,7 +12,6 @@ call ale#Set('rust_cargo_include_features', '')
 call ale#Set('rust_cargo_use_clippy', 0)
 call ale#Set('rust_cargo_clippy_options', '')
 call ale#Set('rust_cargo_target_dir', '')
-call ale#Set('rust_only_current_buffer', '0')
 
 function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort
     if ale#path#FindNearestFile(a:bufnr, 'Cargo.toml') isnot# ''
diff --git a/autoload/ale/handlers/rust.vim b/autoload/ale/handlers/rust.vim
index 60656577..8ad7b031 100644
--- a/autoload/ale/handlers/rust.vim
+++ b/autoload/ale/handlers/rust.vim
@@ -11,20 +11,6 @@ if !exists('g:ale_rust_ignore_secondary_spans')
     let g:ale_rust_ignore_secondary_spans = 0
 endif
 
-function! s:FindSpan(buffer, span) abort
-    if ale#path#IsBufferPath(a:buffer, a:span.file_name) || a:span.file_name is# '<anon>'
-        return a:span
-    endif
-
-    " Search inside the expansion of an error, as the problem for this buffer
-    " could lie inside a nested object.
-    if !empty(get(a:span, 'expansion', v:null))
-        return s:FindSpan(a:buffer, a:span.expansion.span)
-    endif
-
-    return {}
-endfunction
-
 function! ale#handlers#rust#HandleRustErrors(buffer, lines) abort
     let l:output = []
 
@@ -52,11 +38,7 @@ function! ale#handlers#rust#HandleRustErrors(buffer, lines) abort
         endif
 
         for l:root_span in l:error.spans
-            if ale#Var(a:buffer, 'rust_only_current_buffer')
-                let l:span = s:FindSpan(a:buffer, l:root_span)
-            else
-                let l:span = l:root_span
-            endif
+            let l:span = l:root_span
 
             if ale#Var(a:buffer, 'rust_ignore_secondary_spans') && !get(l:span, 'is_primary', 1)
                 continue
diff --git a/doc/ale-rust.txt b/doc/ale-rust.txt
index c51273ab..9307ca33 100644
--- a/doc/ale-rust.txt
+++ b/doc/ale-rust.txt
@@ -40,17 +40,6 @@ Integration Information
 
   Also note that rustc 1.18. or later is needed.
 
-===============================================================================
-TODO
-
-g:ale_rust_only_current_buffer                 *g:ale_rust_only_current_buffer*
-                                               *b:ale_rust_only_current_buffer*
-  Type: |Number|
-  Default: `0`
-
-  Option to restore buggy operation. (FIXME: The existance of this option
-  might or might not be desired.)
-
 ===============================================================================
 analyzer                                                    *ale-rust-analyzer*
 
-- 
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