X-Git-Url: http://git.iain.cx/?p=profile.git;a=blobdiff_plain;f=.profile.d%2Fps1.bashrc;h=29fa7046367a6cb62f7495f50d4ebdf85c77d063;hp=f5fcb6a4df81fcf80703f3cbdb54d8c715ee605b;hb=205d13a1682023654539a9816055c014bb4dccca;hpb=7ff1edff9e3b22a1fd1f7798a634538d7ed94c54

diff --git a/.profile.d/ps1.bashrc b/.profile.d/ps1.bashrc
index f5fcb6a..29fa704 100644
--- a/.profile.d/ps1.bashrc
+++ b/.profile.d/ps1.bashrc
@@ -1,17 +1,27 @@
-# VERSION 1.2 (2001-10-31)
+# $Id$
 #
-# coloured prompts for bash
+# Coloured prompts for bash.
 #
-# prompt is user@host:/dir$ where host is highlighted in green if the last 
-# command exited 0 or in red (followed by the error code) otherwise
+# Prompt is user@host:/dir$ where host is highlighted in green if the last 
+# command exited 0 or in red (followed by the error code) otherwise.
+#
+# Colouring is performed by the __ps1_col() and __ps1_ret() functions.
+# We redirect stderr to /dev/null when calling these functions to prevent 
+# bash complaining about not knowing them when you su to another user, 
+# retaining PS1 but not the function definitions.
+#
+# Override the PROMPT_OK_COLOUR and PROMPT_FAILED_COLOUR environment variables 
+# to set different colours.
+#
+# To use, add a call to __ps1 in your .bash_profile file.
 #
-# to use, add a call to __ps1 in your .bash_profile
 
-export PROMPT_OK_COLOUR=32
-export PROMPT_FAILED_COLOUR=31
+export PROMPT_OK_COLOUR=${PROMPT_OK_COLOUR:-32}
+export PROMPT_FAILED_COLOUR=${PROMPT_FAILED_COLOUR:-31}
 
 function __ps1() {
   export PS1='\u@\[\033[1;$(__ps1_col $?)m\]\h\[\033[0m\]$(__ps1_ret $?):\w\$ '
+  export PS1='\u@\[\033[1;$(__ps1_col $? 2>/dev/null)m\]\h\[\033[0m\]$(__ps1_ret $? 2>/dev/null):\w\$ '
   return 0
 }