From eefc148313917b1a474ba7bdf44d6d088524074a Mon Sep 17 00:00:00 2001
From: kylo252 <59826753+kylo252@users.noreply.github.com>
Date: Mon, 3 Jan 2022 11:07:34 +0100
Subject: refactor(bootstrap): more robust git module (#2127)

---
 lua/lvim/bootstrap.lua | 121 +++++++++----------------------------------------
 1 file changed, 21 insertions(+), 100 deletions(-)

(limited to 'lua/lvim/bootstrap.lua')

diff --git a/lua/lvim/bootstrap.lua b/lua/lvim/bootstrap.lua
index 702dfae1..2300c753 100644
--- a/lua/lvim/bootstrap.lua
+++ b/lua/lvim/bootstrap.lua
@@ -1,5 +1,13 @@
 local M = {}
 
+if vim.fn.has "nvim-0.6" ~= 1 then
+  vim.notify("Please upgrade your Neovim base installation. Lunarvim requires v0.6+", vim.log.levels.WARN)
+  vim.wait(5000, function()
+    return false
+  end)
+  vim.cmd "cquit"
+end
+
 local uv = vim.loop
 local path_sep = uv.os_uname().version:match "Windows" and "\\" or "/"
 local in_headless = #vim.api.nvim_list_uis() == 0
@@ -11,6 +19,16 @@ function _G.join_paths(...)
   return result
 end
 
+---Require a module in protected mode without relying on its cached value
+---@param module string
+---@return any
+function _G.require_clean(module)
+  package.loaded[module] = nil
+  _G[module] = nil
+  local _, requested = pcall(require, module)
+  return requested
+end
+
 ---Get the full path to `$LUNARVIM_RUNTIME_DIR`
 ---@return string
 function _G.get_runtime_dir()
@@ -96,106 +114,9 @@ end
 ---Update LunarVim
 ---pulls the latest changes from github and, resets the startup cache
 function M:update()
-  package.loaded["lvim.utils.hooks"] = nil
-  local _, hooks = pcall(require, "lvim.utils.hooks")
-  hooks.run_pre_update()
-  M:update_repo()
-  hooks.run_post_update()
-end
-
-local function git_cmd(subcmd, opts)
-  local Job = require "plenary.job"
-  local Log = require "lvim.core.log"
-  local args = { "-C", opts.cwd }
-  vim.list_extend(args, subcmd)
-
-  local stderr = {}
-  local stdout, ret = Job
-    :new({
-      command = "git",
-      args = args,
-      cwd = opts.cwd,
-      on_stderr = function(_, data)
-        table.insert(stderr, data)
-      end,
-    })
-    :sync()
-
-  if not vim.tbl_isempty(stderr) then
-    Log:debug(stderr)
-  end
-
-  if not vim.tbl_isempty(stdout) then
-    Log:debug(stdout)
-  end
-
-  return ret, stdout
-end
-
----pulls the latest changes from github
-function M:update_repo()
-  local Log = require "lvim.core.log"
-  local sub_commands = {
-    fetch = { "fetch" },
-    diff = { "diff", "--quiet", "@{upstream}" },
-    merge = { "merge", "--ff-only", "--progress" },
-  }
-  local opts = {
-    cwd = get_lvim_base_dir(),
-  }
-  Log:info "Checking for updates"
-
-  local ret = git_cmd(sub_commands.fetch, opts)
-  if ret ~= 0 then
-    Log:error "Update failed! Check the log for further information"
-    return
-  end
-
-  ret = git_cmd(sub_commands.diff, opts)
-
-  if ret == 0 then
-    Log:info "LunarVim is already up-to-date"
-    return
-  end
-
-  ret = git_cmd(sub_commands.merge, opts)
-
-  if ret ~= 0 then
-    Log:error "Update failed! Please pull the changes manually instead."
-    return
-  end
-end
-
----Get currently installed version of LunarVim
----@param type string can be "short"
----@return string
-function M:get_version(type)
-  type = type or ""
-  local opts = { cwd = get_lvim_base_dir() }
-
-  local _, branch = git_cmd({ "branch", "--show-current" }, opts)
-
-  local is_on_master = branch == "master"
-  if not is_on_master then
-    local log_status_ok, log_results = git_cmd({ "log", "--pretty=format:%h", "-1" }, opts)
-    local abbrev_version = log_results[1] or ""
-    if not log_status_ok or string.match(abbrev_version, "%d") == nil then
-      return nil
-    end
-    return "dev-" .. abbrev_version
-  end
-
-  local tag_status_ok, results = git_cmd({ "describe", "--tags" }, opts)
-  local lvim_full_ver = results[1] or ""
-
-  if not tag_status_ok or string.match(lvim_full_ver, "%d") == nil then
-    return nil
-  end
-  if type == "short" then
-    return vim.fn.split(lvim_full_ver, "-")[1]
-  else
-    return string.sub(lvim_full_ver, 1, #lvim_full_ver - 1)
-  end
+  require_clean("lvim.utils.hooks").run_pre_update()
+  require_clean("lvim.utils.git").update_base_lvim()
+  require_clean("lvim.utils.hooks").run_post_update()
 end
 
 return M
-- 
cgit v1.2.3