a bit sloppy but working

lua/config/alpha-nvim.lua

@@ -0,0 +1,180 @@
+-- adopted from https://github.com/AdamWhittingham/vim-config/blob/nvim/lua/config/startup_screen.lua
+local status_ok, alpha = pcall(require, "alpha")
+if not status_ok then
+	return
+end
+
+local path_ok, path = pcall(require, "plenary.path")
+if not path_ok then
+	return
+end
+
+local dashboard = require("alpha.themes.dashboard")
+local nvim_web_devicons = require("nvim-web-devicons")
+local cdir = vim.fn.getcwd()
+
+local function get_extension(fn)
+	local match = fn:match("^.+(%..+)$")
+	local ext = ""
+	if match ~= nil then
+		ext = match:sub(2)
+	end
+	return ext
+end
+
+local function icon(fn)
+	local nwd = require("nvim-web-devicons")
+	local ext = get_extension(fn)
+	return nwd.get_icon(fn, ext, { default = true })
+end
+
+local function file_button(fn, sc, short_fn)
+	short_fn = short_fn or fn
+	local ico_txt
+	local fb_hl = {}
+
+	local ico, hl = icon(fn)
+	local hl_option_type = type(nvim_web_devicons.highlight)
+	if hl_option_type == "boolean" then
+		if hl and nvim_web_devicons.highlight then
+			table.insert(fb_hl, { hl, 0, 1 })
+		end
+	end
+	if hl_option_type == "string" then
+		table.insert(fb_hl, { nvim_web_devicons.highlight, 0, 1 })
+	end
+	ico_txt = ico .. "  "
+
+	local file_button_el = dashboard.button(sc, ico_txt .. short_fn, "<cmd>e " .. fn .. " <CR>")
+	local fn_start = short_fn:match(".*/")
+	if fn_start ~= nil then
+		table.insert(fb_hl, { "Comment", #ico_txt - 2, #fn_start + #ico_txt - 2 })
+	end
+	file_button_el.opts.hl = fb_hl
+	return file_button_el
+end
+
+local default_mru_ignore = { "gitcommit" }
+
+local mru_opts = {
+	ignore = function(path, ext)
+		return (string.find(path, "COMMIT_EDITMSG")) or (vim.tbl_contains(default_mru_ignore, ext))
+	end,
+}
+
+--- @param start number
+--- @param cwd string optional
+--- @param items_number number optional number of items to generate, default = 10
+local function mru(start, cwd, items_number, opts)
+	opts = opts or mru_opts
+	items_number = items_number or 9
+
+	local oldfiles = {}
+	for _, v in pairs(vim.v.oldfiles) do
+		if #oldfiles == items_number then
+			break
+		end
+		local cwd_cond
+		if not cwd then
+			cwd_cond = true
+		else
+			cwd_cond = vim.startswith(v, cwd)
+		end
+		local ignore = (opts.ignore and opts.ignore(v, get_extension(v))) or false
+		if (vim.fn.filereadable(v) == 1) and cwd_cond and not ignore then
+			oldfiles[#oldfiles + 1] = v
+		end
+	end
+
+	local special_shortcuts = { "a", "s", "d" }
+	local target_width = 35
+
+	local tbl = {}
+	for i, fn in ipairs(oldfiles) do
+		local short_fn
+		if cwd then
+			short_fn = vim.fn.fnamemodify(fn, ":.")
+		else
+			short_fn = vim.fn.fnamemodify(fn, ":~")
+		end
+
+		if #short_fn > target_width then
+			short_fn = path.new(short_fn):shorten(1, { -2, -1 })
+			if #short_fn > target_width then
+				short_fn = path.new(short_fn):shorten(1, { -1 })
+			end
+		end
+
+		local shortcut = ""
+		if i <= #special_shortcuts then
+			shortcut = special_shortcuts[i]
+		else
+			shortcut = tostring(i + start - 1 - #special_shortcuts)
+		end
+
+		local file_button_el = file_button(fn, " " .. shortcut, short_fn)
+		tbl[i] = file_button_el
+	end
+	return {
+		type = "group",
+		val = tbl,
+		opts = {},
+	}
+end
+
+local section_mru = {
+	type = "group",
+	val = {
+		{
+			type = "text",
+			val = "Recent files",
+			opts = {
+				hl = "SpecialComment",
+				shrink_margin = false,
+				position = "center",
+			},
+		},
+		{ type = "padding", val = 1 },
+		{
+			type = "group",
+			val = function()
+				return { mru(1, cdir, 9) }
+			end,
+			opts = { shrink_margin = false },
+		},
+	},
+}
+
+local buttons = {
+	type = "group",
+	val = {
+		{ type = "text", val = "Quick links", opts = { hl = "SpecialComment", position = "center" } },
+		{ type = "padding", val = 1 },
+		dashboard.button("f", "  Find file", ":Telescope find_files <CR>"),
+		dashboard.button("b", "  File Browser", ":Telescope file_browser <CR>"),
+		dashboard.button("F", "  Find text", ":Telescope live_grep <CR>"),
+		dashboard.button("p", "  Search projects", ":Telescope projects<CR>"),
+		dashboard.button("z", "  Search Zoxide", ":Telescope zoxide list<CR>"),
+		dashboard.button("r", "  Recent files", ":Telescope oldfiles <CR>"),
+		dashboard.button("e", "  New file", ":ene <BAR> startinsert <CR>"),
+		dashboard.button("g", "  NeoGit", ":Neogit <CR>"),
+		dashboard.button("c", "  Configuration", ":e ~/.config/nvim/ <CR>"),
+		dashboard.button("u", "  Update plugins", ":PackerSync<CR>"),
+		dashboard.button("q", "  Quit", ":qa<CR>"),
+	},
+	position = "center",
+}
+
+local opts = {
+	layout = {
+		{ type = "padding", val = 2 },
+		section_mru,
+		{ type = "padding", val = 2 },
+		buttons,
+	},
+	opts = {
+		margin = 5,
+	},
+}
+
+alpha.setup(opts)