From d168ec3c5e04efb5f401cfcbe60c021093cd465b Mon Sep 17 00:00:00 2001
From: katherine <shmibs@airen-no-jikken.icu>
Date: Thu, 6 Dec 2018 11:54:26 -0700
Subject: synchronise common prompts

the same across shell, iex, utop, but colour-coded and with a which
thing and version hint
---
 .iex.exs | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 .iex.exs

(limited to '.iex.exs')

diff --git a/.iex.exs b/.iex.exs
new file mode 100644
index 0000000..fcd3931
--- /dev/null
+++ b/.iex.exs
@@ -0,0 +1,57 @@
+defmodule IExConfigInit do
+
+  def init do
+    user = System.get_env "USER"    
+
+    hostname = case :inet.gethostname do
+      {:ok, s} -> s
+      _ -> "?"
+    end
+
+    dir = case Elixir.File.cwd do
+      {:ok, s} -> s
+      _ -> "?"
+    end
+
+    home = System.get_env "HOME"
+
+    dir = if home do
+      dir = case Regex.compile("^" <> home) do
+        {:ok, r} -> Regex.replace r, dir, "~"
+        _ -> dir
+      end
+      dir
+    else
+      dir
+    end
+
+    Application.put_env(:elixir, :ansi_enabled, true)
+
+    IEx.configure(
+      colors: [enabled: true],
+      default_prompt: [
+        # "\e[1A",
+        "\e[G",    # ANSI CHA, move cursor to column 1
+        :bright,
+        :white,
+        "┌[",
+        :magenta,
+        (if user, do: user <> "@", else: ""),
+        "elixir-",
+        Elixir.System.version,
+        "@",
+        hostname,
+        " ",
+        :blue,
+        dir,
+        :white,
+        "]\n",
+        "└:",
+        :reset
+      ] |> IO.ANSI.format |> IO.chardata_to_string
+    )
+  end
+
+end
+
+IExConfigInit.init
-- 
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