Migrate to Snowfall (#1)

Reviewed-on: #1
Co-authored-by: Evan Reichard <evan@reichard.io>
Co-committed-by: Evan Reichard <evan@reichard.io>

modules/home/programs/terminal/nvim/config/lua/git-ref.lua

@@ -0,0 +1,41 @@
+function get_git_info()
+	local abs_path = vim.fn.expand("%:p")
+	local git_root = vim.fn.systemlist(
+		"git -C " .. vim.fn.escape(vim.fn.fnamemodify(abs_path, ":h"), " ") .. " rev-parse --show-toplevel"
+	)[1]
+
+	if vim.v.shell_error ~= 0 then
+		return
+	end
+
+	local git_repo = vim.fn.system("git remote get-url origin"):match("([^/:]+/[^/.]+)%.?[^/]*$"):gsub("\n", "")
+	local git_branch = vim.fn.system("git rev-parse --abbrev-ref HEAD"):gsub("\n", "")
+
+	return {
+		file = vim.fn.fnamemodify(abs_path, ":s?" .. git_root .. "/??"),
+		branch = git_branch,
+		repo = git_repo,
+	}
+end
+
+vim.keymap.set("v", "<Leader>gy", function()
+	local git_info = get_git_info()
+	if git_info == nil then
+		vim.notify("Failed to get git info", vim.log.levels.ERROR)
+		return
+	end
+
+	local start_line = vim.fn.line("v")
+	local end_line = vim.fn.line(".")
+
+	local message = string.format(
+		"https://github.com/%s/blob/%s/%s#L%d-L%d",
+		git_info.repo,
+		git_info.branch,
+		git_info.file,
+		start_line,
+		end_line
+	)
+	vim.fn.setreg("+", message)
+	vim.notify("Copied:\n\t" .. message, vim.log.levels.INFO)
+end, { noremap = true, silent = true, desc = "Copy GitHub Link" })