From cf2d6d34282afd90f0f5d2aba265a23b068494c2 Mon Sep 17 00:00:00 2001
From: ibhagwan <59988195+ibhagwan@users.noreply.github.com>
Date: Sat, 26 Mar 2022 02:29:34 -0700
Subject: [PATCH] fix (tags|btags): escape all special characters (#1806)

---
 lua/telescope/builtin/files.lua               | 10 ++++++----
 lua/telescope/previewers/buffer_previewer.lua | 10 ++++++----
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/lua/telescope/builtin/files.lua b/lua/telescope/builtin/files.lua
index 893588f..99c6447 100644
--- a/lua/telescope/builtin/files.lua
+++ b/lua/telescope/builtin/files.lua
@@ -431,10 +431,12 @@ files.tags = function(opts)
           local selection = action_state.get_selected_entry()
 
           if selection.scode then
-            local scode = string.gsub(selection.scode, "[$]$", "")
-            scode = string.gsub(scode, [[\\]], [[\]])
-            scode = string.gsub(scode, [[\/]], [[/]])
-            scode = string.gsub(scode, "[*]", [[\*]])
+            -- un-escape / then escape required
+            -- special chars for vim.fn.search()
+            -- ] ~ *
+            local scode = selection.scode:gsub([[\/]], "/"):gsub("[%]~*]", function(x)
+              return "\\" .. x
+            end)
 
             vim.cmd "norm! gg"
             vim.fn.search(scode)
diff --git a/lua/telescope/previewers/buffer_previewer.lua b/lua/telescope/previewers/buffer_previewer.lua
index 70e08d0..0ba9322 100644
--- a/lua/telescope/previewers/buffer_previewer.lua
+++ b/lua/telescope/previewers/buffer_previewer.lua
@@ -484,10 +484,12 @@ previewers.ctags = defaulter(function(_)
   local determine_jump = function(entry)
     if entry.scode then
       return function(self)
-        local scode = string.gsub(entry.scode, "[$]$", "")
-        scode = string.gsub(scode, [[\\]], [[\]])
-        scode = string.gsub(scode, [[\/]], [[/]])
-        scode = string.gsub(scode, "[*]", [[\*]])
+        -- un-escape / then escape required
+        -- special chars for vim.fn.search()
+        -- ] ~ *
+        local scode = entry.scode:gsub([[\/]], "/"):gsub("[%]~*]", function(x)
+          return "\\" .. x
+        end)
 
         pcall(vim.fn.matchdelete, self.state.hl_id, self.state.winid)
         vim.cmd "norm! gg"