From 82bcdebf7c3d58f4e0b102bf4783f8f07b23cb1a Mon Sep 17 00:00:00 2001
From: Sebastian Ullrich <sebasti@nullri.ch>
Date: Tue, 10 Jan 2017 21:15:40 +0100
Subject: [PATCH] fix(shell/completion): remove duplicate completion candidates

VS Code does not automatically remove them
---
 src/shell/completion.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/shell/completion.cpp b/src/shell/completion.cpp
index 48cfa14064..e60ae64a80 100644
--- a/src/shell/completion.cpp
+++ b/src/shell/completion.cpp
@@ -73,6 +73,10 @@ void filter_completions(std::string const & pattern, std::vector<pair<std::strin
         completions.push_back(serialize(selected[0].second));
     } else if (sz > 1) {
         std::sort(selected.begin(), selected.end());
+        auto it = std::unique(selected.begin(), selected.end(), [](pair<std::string, T> const & s1, pair<std::string, T> const & s2) {
+            return s1.first == s2.first;
+        });
+        selected.resize(it - selected.begin());
         std::vector<pair<std::string, T>> next_selected;
         auto process = [&](pair<std::string, T> const & s, bool select) {
             if (select) {