From: Mark Wooding <mdw@distorted.org.uk>
Date: Tue, 8 Aug 2017 16:50:36 +0000 (+0100)
Subject: dot/shrc: Put working directory into plain-sh prompts.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/profile/commitdiff_plain/956c645f79b3525040b917a22a1919beebc8c36b?ds=sidebyside

dot/shrc: Put working directory into plain-sh prompts.

Apparently dash does process substitution on PS1.  Yay.
---

diff --git a/dot/shrc b/dot/shrc
index 90710df..114cc23 100644
--- a/dot/shrc
+++ b/dot/shrc
@@ -16,7 +16,7 @@ __mdw_set_prompt_hacks () {
       ;;
   esac
   host=$(hostname)
-  dir=""
+  dir=' $(d=$(pwd); case "$d" in ("$HOME") d="~" ;; ("$HOME"/*) d="~${d#$HOME}" ;; esac; echo $d)'
 }
 
 __mdw_set_prompt_pieces