From 1879339442fc089356b65568221fc54cd298c467 Mon Sep 17 00:00:00 2001
From: Steven Arcangeli <stevearc@stevearc.com>
Date: Tue, 3 Jan 2023 22:09:20 -0800
Subject: [PATCH] refactor: separate adapter-to-scheme lookup table

---
 lua/oil/adapters/ssh.lua |  2 +-
 lua/oil/config.lua       |  7 +++++--
 lua/oil/init.lua         | 13 +++++--------
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/lua/oil/adapters/ssh.lua b/lua/oil/adapters/ssh.lua
index 9b5eeb5..c36630d 100644
--- a/lua/oil/adapters/ssh.lua
+++ b/lua/oil/adapters/ssh.lua
@@ -81,7 +81,7 @@ local _connections = {}
 ---@param allow_retry nil|boolean
 local function get_connection(url, allow_retry)
   local res = parse_url(url)
-  res.scheme = config.adapters.ssh
+  res.scheme = config.adapter_to_scheme.ssh
   res.path = ""
   local key = url_to_str(res)
   local conn = _connections[key]
diff --git a/lua/oil/config.lua b/lua/oil/config.lua
index 9048cee..2be52f2 100644
--- a/lua/oil/config.lua
+++ b/lua/oil/config.lua
@@ -75,7 +75,10 @@ M.setup = function(opts)
     M[k] = v
   end
 
-  vim.tbl_add_reverse_lookup(M.adapters)
+  M.adapter_to_scheme = {}
+  for k, v in pairs(M.adapters) do
+    M.adapter_to_scheme[v] = k
+  end
   M._adapter_by_scheme = {}
   if type(M.trash) == "string" then
     M.trash = vim.fn.fnamemodify(vim.fn.expand(M.trash), ":p")
@@ -116,7 +119,7 @@ M.get_trash_url = function()
     fs.mkdirp(oil_trash_dir)
     M.trash = oil_trash_dir
   end
-  return M.adapters.files .. fs.os_to_posix_path(M.trash)
+  return M.adapter_to_scheme.files .. fs.os_to_posix_path(M.trash)
 end
 
 ---@param scheme string
diff --git a/lua/oil/init.lua b/lua/oil/init.lua
index fdffdbc..e4a1ede 100644
--- a/lua/oil/init.lua
+++ b/lua/oil/init.lua
@@ -156,7 +156,7 @@ M.get_url_for_path = function(dir)
   if dir then
     local abspath = vim.fn.fnamemodify(dir, ":p")
     local path = fs.os_to_posix_path(abspath)
-    return config.adapters.files .. path
+    return config.adapter_to_scheme.files .. path
   else
     local bufname = vim.api.nvim_buf_get_name(0)
     return M.get_buffer_parent_url(bufname)
@@ -175,7 +175,7 @@ M.get_buffer_parent_url = function(bufname)
   local scheme, path = util.parse_url(bufname)
   if not scheme then
     local parent, basename
-    scheme = config.adapters.files
+    scheme = config.adapter_to_scheme.files
     if bufname == "" then
       parent = fs.os_to_posix_path(vim.fn.getcwd())
     else
@@ -189,7 +189,7 @@ M.get_buffer_parent_url = function(bufname)
     local adapter = config.get_adapter_by_scheme(scheme)
     local parent_url
     if adapter.get_parent then
-      local adapter_scheme = config.adapters[adapter.name]
+      local adapter_scheme = config.adapter_to_scheme[adapter.name]
       parent_url = adapter.get_parent(adapter_scheme .. path)
     else
       local parent = pathutil.parent(path)
@@ -410,7 +410,7 @@ local function maybe_hijack_directory_buffer(bufnr)
   end
   util.rename_buffer(
     bufnr,
-    util.addslash(config.adapters.files .. vim.fn.fnamemodify(bufname, ":p"))
+    util.addslash(config.adapter_to_scheme.files .. vim.fn.fnamemodify(bufname, ":p"))
   )
 end
 
@@ -504,10 +504,7 @@ M.setup = function(opts)
 
   local patterns = {}
   for scheme in pairs(config.adapters) do
-    -- We added a reverse lookup to config.adapters, so filter the keys
-    if vim.endswith(scheme, "://") then
-      table.insert(patterns, scheme .. "*")
-    end
+    table.insert(patterns, scheme .. "*")
   end
   local scheme_pattern = table.concat(patterns, ",")