From fa65471dc11c7cbbb45ef6ab11abd7b7695a8f42 Mon Sep 17 00:00:00 2001
From: Tim Wundenberg <tim@wundenbergs.de>
Date: Tue, 6 Jan 2026 20:44:04 +0100
Subject: [PATCH] feat: add :make for golang

---
 init.lua | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/init.lua b/init.lua
index 81f90fb..ccca9d4 100644
--- a/init.lua
+++ b/init.lua
@@ -340,6 +340,39 @@ vim.api.nvim_create_autocmd('BufWritePre', {
 vim.filetype.add({ extension = { templ = "templ" } })
 
 
+-- Function to find the nearest directory containing go.mod
+local function find_go_mod_root()
+	local path = vim.fn.expand("%:p:h")             -- current file's directory
+	local root = vim.fn.finddir("go.mod", path .. ";") -- search upwards
+	if root == "" then
+		return nil                                  -- fallback if no go.mod found
+	else
+		return vim.fn.fnamemodify(root, ":h")       -- directory containing go.mod
+	end
+end
+
+-- Autocmd for Go files
+vim.api.nvim_create_autocmd("FileType", {
+	pattern = "go",
+	callback = function()
+		-- Set makeprg to run in the module root
+		local root = find_go_mod_root()
+		if root then
+			-- cd into the module root, then run go
+			vim.opt_local.makeprg = "cd " .. root .. " && go build ./..."
+		else
+			vim.opt_local.makeprg = "go build ./..."
+		end
+
+		-- Set errorformat for Go errors
+		vim.opt_local.errorformat = table.concat({
+			"%f:%l:%c: %m",
+			"%f:%l: %m",
+		}, ",")
+	end,
+})
+
+
 vim.g.mapleader = " "
 
 vim.keymap.set('n', '<leader>c', ':copen<CR>', { desc = "Open Quickfix" })