feat: added opts.headless to control ansi output when running headless

lua/lazy/terminal.lua

@@ -0,0 +1,71 @@
+---@class Ansi: table<string, fun(string):string>
+local M = {}
+
+M.colors = {
+  reset = "\27[0m",
+  black = "\27[30m",
+  red = "\27[31m",
+  green = "\27[32m",
+  yellow = "\27[33m",
+  blue = "\27[34m",
+  magenta = "\27[35m",
+  cyan = "\27[36m",
+  white = "\27[37m",
+  bright_black = "\27[90m",
+  bright_red = "\27[91m",
+  bright_green = "\27[92m",
+  bright_yellow = "\27[93m",
+  bright_blue = "\27[94m",
+  bright_magenta = "\27[95m",
+  bright_cyan = "\27[96m",
+  bright_white = "\27[97m",
+}
+
+function M.color(text, color)
+  return M.colors[color] .. text .. M.colors.reset
+end
+
+-- stylua: ignore start
+function M.black(text) return M.color(text, "black") end
+function M.red(text) return M.color(text, "red") end
+function M.green(text) return M.color(text, "green") end
+function M.yellow(text) return M.color(text, "yellow") end
+function M.blue(text) return M.color(text, "blue") end
+function M.magenta(text) return M.color(text, "magenta") end
+function M.cyan(text) return M.color(text, "cyan") end
+function M.white(text) return M.color(text, "white") end
+function M.bright_black(text) return M.color(text, "bright_black") end
+function M.bright_red(text) return M.color(text, "bright_red") end
+function M.bright_green(text) return M.color(text, "bright_green") end
+function M.bright_yellow(text) return M.color(text, "bright_yellow") end
+function M.bright_blue(text) return M.color(text, "bright_blue") end
+function M.bright_magenta(text) return M.color(text, "bright_magenta") end
+function M.bright_cyan(text) return M.color(text, "bright_cyan") end
+function M.bright_white(text) return M.color(text, "bright_white") end
+-- stylua: ignore end
+
+---@param data string
+---@param prefix string
+function M.prefix(data, prefix)
+  -- Normalize Windows-style newlines to simple newlines
+  data = data:gsub("\r\n", "\n")
+
+  -- Handle prefix for the first line, if data starts immediately
+  data = prefix .. data
+
+  -- Prefix new lines ensuring not to double prefix if a line starts with \r
+  data = data:gsub("(\n)([^\r])", "%1" .. prefix .. "%2")
+
+  -- Handle carriage returns properly to avoid double prefixing
+  -- Replace any \r not followed by \n with \r, then add a prefix only if the following character isn't the start of our prefix
+  data = data:gsub("\r([^\n])", function(nextChar)
+    if nextChar:sub(1, #prefix) == prefix then
+      return "\r" .. nextChar
+    else
+      return "\r" .. prefix .. nextChar
+    end
+  end)
+  return data
+end
+
+return M