From c82abb3117d83a36b58f07d341fd56a00bdfd360 Mon Sep 17 00:00:00 2001
From: William Boman <william@redwill.se>
Date: Sun, 5 Dec 2021 18:57:02 +0100
Subject: add ccls (#299)

---
 lua/nvim-lsp-installer/installers/init.lua | 33 +++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 10 deletions(-)

(limited to 'lua/nvim-lsp-installer/installers/init.lua')

diff --git a/lua/nvim-lsp-installer/installers/init.lua b/lua/nvim-lsp-installer/installers/init.lua
index fdf3b0f4..a04eeafb 100644
--- a/lua/nvim-lsp-installer/installers/init.lua
+++ b/lua/nvim-lsp-installer/installers/init.lua
@@ -1,9 +1,21 @@
 local platform = require "nvim-lsp-installer.platform"
 local log = require "nvim-lsp-installer.log"
 local Data = require "nvim-lsp-installer.data"
+local fs = require "nvim-lsp-installer.fs"
+local path = require "nvim-lsp-installer.path"
 
 local M = {}
 
+---@param installer ServerInstallerFunction[]|ServerInstallerFunction
+---@return ServerInstallerFunction
+local function normalize_installer(installer)
+    if type(installer) == "table" then
+        return M.pipe(installer)
+    else
+        return installer
+    end
+end
+
 ---@alias ServerInstallCallback fun(success: boolean)
 
 ---@class ServerInstallContext
@@ -120,11 +132,7 @@ function M.on(platform_table)
     return function(server, callback, context)
         local installer = get_by_platform(platform_table)
         if installer then
-            if type(installer) == "function" then
-                installer(server, callback, context)
-            else
-                M.pipe(installer)(server, callback, context)
-            end
+            normalize_installer(installer)(server, callback, context)
         else
             callback(true)
         end
@@ -139,11 +147,7 @@ function M.when(platform_table)
     return function(server, callback, context)
         local installer = get_by_platform(platform_table)
         if installer then
-            if type(installer) == "function" then
-                installer(server, callback, context)
-            else
-                M.pipe(installer)(server, callback, context)
-            end
+            normalize_installer(installer)(server, callback, context)
         else
             context.stdio_sink.stderr(
                 ("Current operating system is not yet supported for server %q.\n"):format(server.name)
@@ -153,4 +157,13 @@ function M.when(platform_table)
     end
 end
 
+---@param installer ServerInstallerFunction|ServerInstallerFunction[] @The installer to execute in a new installer context.
+function M.branch_context(installer)
+    ---@type ServerInstallerFunction
+    return function(server, callback, context)
+        local new_context = vim.deepcopy(context)
+        normalize_installer(installer)(server, callback, new_context)
+    end
+end
+
 return M
-- 
cgit v1.2.3-70-g09d2