Added base setup

lua/util/packer.lua

@@ -0,0 +1,127 @@
+local util = require("util")
+
+local M = {}
+
+M.local_plugins = {}
+
+function M.bootstrap()
+	local fn = vim.fn
+	local install_path = fn.stdpath("data") .. "/site/pack/packer/opt/packer.nvim"
+	if fn.empty(fn.glob(install_path)) >  0 then
+		fn.system({"git", "clone", "--depth", "1", "https://github.com/wbthomason/packer.nvim", install_path})
+		return true
+	end
+
+end
+
+function M.auto_compile()
+  local group = vim.api.nvim_create_augroup("PackerUserConfig", {})
+  vim.api.nvim_create_autocmd("BufWritePost", {
+    pattern = { "plugins.lua", "*/plugins/*.lua", "packer.lua" },
+    group = group,
+    callback = function()
+      for p, _ in pairs(package.loaded) do
+        if p:find("^plugins") or p == "config.plugins" or p == "util.packer" then
+          package.loaded[p] = nil
+        end
+      end
+      require("config.plugins")
+      vim.cmd([[PackerCompile]])
+      util.info("Packer compiled...")
+    end,
+  })
+end
+
+function M.use(spec, fn)
+  if type(spec) == "string" then
+    spec = { spec }
+  elseif type(spec) == "table" and #spec > 1 then
+    for i, child_spec in ipairs(spec) do
+      spec[i] = M.use(child_spec, fn)
+    end
+    return
+  end
+  if
+    type(spec.requires) == "string"
+    or (type(spec.requires) == "table" and not vim.tbl_islist(spec.requires) and #spec.requires == 1)
+  then
+    spec.requires = { spec.requires }
+  end
+  if spec.requires then
+    for i, v in ipairs(spec.requires) do
+      spec.requires[i] = M.use(v, fn)
+    end
+  end
+  fn(spec)
+  return spec
+end
+
+function M.get_name(pkg)
+  local parts = vim.split(pkg, "/")
+  return parts[#parts], parts[1]
+end
+
+function M.has_local(name)
+  return vim.loop.fs_stat(vim.fn.expand("~/projects/" .. name)) ~= nil
+end
+
+function M.wrap(use)
+  return function(spec)
+    spec = M.use(spec, M.process_plugin)
+    use(spec)
+  end
+end
+
+function M.process_plugin(spec)
+  if spec.plugin then
+    local ok, plugin = pcall(require, "plugins." .. spec.plugin)
+    if not ok then
+      util.error("Failed to load plugins." .. spec.plugin .. "\n\n" .. plugin)
+    else
+      for k, v in pairs(plugin) do
+        -- what we call init, is called setup in Packer
+        -- skip plugin.setup methods. Thos are to be called maually from scripts
+        local kk = k == "init" and "setup" or k ~= "setup" and k
+        if kk then
+          spec[kk] = type(v) == "function" and ([[require("plugins.%s").%s()]]):format(spec.plugin, k) or v
+        end
+      end
+    end
+    spec.plugin = nil
+  end
+end
+
+function M.plugin(pkg)
+  local name = M.get_name(pkg):lower()
+  name = name:gsub("%.n?vim$", "")
+  name = name:gsub("^n?vim%-", "")
+  name = name:gsub("%-n?vim$", "")
+  name = name:gsub("%.lua$", "")
+  name = name:gsub("%.", "_")
+  return { pkg, plugin = name }
+end
+
+function M.setup(config, fn)
+	local bootstrapped = M.bootstrap()
+	M.auto_compile()
+
+	vim.cmd([[packadd packer.nvim]])
+
+	local packer = require("packer")
+	packer.init(config)
+
+	M.local_plugins = config.local_plugins or {}
+
+	packer.startup(function(use)
+		use = M.wrap(use)
+		fn(use, function(pkg)
+			return use(M.plugin(pkg))
+		end)
+	end)
+
+	if bootstrapped then
+		require("packer").sync()
+	end
+end
+
+return M