From 927aedb7605bba96a6ea2fc707ab026946b4d2b0 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Fri, 21 Mar 2014 16:10:08 -0400
Subject: backport changes from my laptop

---
 .config/bash/rc.d/emacs.sh | 43 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 38 insertions(+), 5 deletions(-)

(limited to '.config/bash/rc.d')

diff --git a/.config/bash/rc.d/emacs.sh b/.config/bash/rc.d/emacs.sh
index f484bbb..9c1bf4d 100644
--- a/.config/bash/rc.d/emacs.sh
+++ b/.config/bash/rc.d/emacs.sh
@@ -1,8 +1,41 @@
+#!/bin/bash
+
 case "$TERM" in
 	eterm*)
-			SELECTED_EDITOR='emacsclient'
-			EDITOR=$SELECTED_EDITOR
-			VISUAL=$SELECTED_EDITOR
-			export SELECTED_EDITOR EDITOR VISUAL
-			:;;
+		SELECTED_EDITOR='emacsclient'
+		EDITOR=$SELECTED_EDITOR
+		VISUAL=$SELECTED_EDITOR
+		export SELECTED_EDITOR EDITOR VISUAL
+		# The following uses the variable _EMACS_BUFFER to store some state
+		_emacs_quote() {
+			local str="$*"
+			str="${str//\\/\\\\}"
+			str="${str//\"/\\\"}"
+			str="\"${str}\""
+			printf '%s' "$str"
+		}
+		_emacs_rename_terminal() {
+			local name="$(_emacs_quote "$(_emacs_get_desired_buffer_name)")"
+			if [[ -n $_EMACS_BUFFER ]]; then
+				local buffer="(get-buffer $_EMACS_BUFFER)"
+			else
+				local buffer='(window-buffer (selected-window))'
+			fi
+			_EMACS_BUFFER="$(emacsclient -e "(with-current-buffer ${buffer} (rename-buffer ${name} t)))" 2>/dev/null)"
+		}
+		_emacs_get_short_cwd() {
+			local base=$1
+			local suffix=''
+			if [[ $base =~ (/(src|pkg|doc|pkg-libre|src-libre|trunk|tags|branches))*$ ]]; then
+				suffix=$BASH_REMATCH
+				base=${base%$suffix}
+			fi
+			base=${base##*/}
+			echo ${base}${suffix}
+		}
+		_emacs_get_desired_buffer_name() {
+			echo "*ansi-term*<$(_emacs_get_short_cwd "$PWD")>"
+		}
+		PROMPT_COMMAND='_emacs_rename_terminal "$(_emacs_get_desired_buffer_name)"'
+		:;;
 esac
-- 
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