1 files changed, 24 insertions, 22 deletions
diff --git a/lua/diagnostics.lua b/lua/diagnostics.lua
index 9a3e1e4e..aa2ec92d 100644
--- a/lua/diagnostics.lua
+++ b/lua/diagnostics.lua
@@ -12,28 +12,30 @@ module.sendAleResultsToDiagnostics = function(buffer, loclist)
   -- Convert all the ALE loclist items to the shape that Neovim's diagnostic
   -- API is expecting.
   for _, location in ipairs(loclist) do
-    table.insert(
-      diagnostics,
-      -- All line numbers from ALE are 1-indexed, but all line numbers
-      -- in the diagnostics API are 0-indexed, so we have to subtract 1
-      -- to make this work.
-      {
-        lnum = location.lnum - 1,
-        -- Ending line number, or if we don't have one, just make it the same
-        -- as the starting line number
-        end_lnum = (location.end_lnum or location.lnum) - 1,
-        -- Which column does the error start on?
-        col = math.max((location.col or 1) - 1, 0),
-        -- end_col does *not* appear to need 1 subtracted, so we don't.
-        end_col = location.end_col,
-        -- Which severity: error, warning, or info?
-        severity = ale_type_to_diagnostic_severity[location.type] or "E",
-        -- The error message
-        message = location.text,
-        -- e.g. "rubocop"
-        source = location.linter_name,
-      }
-    )
+    if location.bufnr == buffer then
+      table.insert(
+        diagnostics,
+        -- All line numbers from ALE are 1-indexed, but all line numbers
+        -- in the diagnostics API are 0-indexed, so we have to subtract 1
+        -- to make this work.
+        {
+          lnum = location.lnum - 1,
+          -- Ending line number, or if we don't have one, just make it the same
+          -- as the starting line number
+          end_lnum = (location.end_lnum or location.lnum) - 1,
+          -- Which column does the error start on?
+          col = math.max((location.col or 1) - 1, 0),
+          -- end_col does *not* appear to need 1 subtracted, so we don't.
+          end_col = location.end_col,
+          -- Which severity: error, warning, or info?
+          severity = ale_type_to_diagnostic_severity[location.type] or "E",
+          -- The error message
+          message = location.text,
+          -- e.g. "rubocop"
+          source = location.linter_name,
+        }
+      )
+    end
   end
 
   local virtualtext_enabled_set = {['all'] = true, ['2'] = true, [2] = true, ['current'] = true, ['1'] = true, [1] = true}