#! /bin/sh -e

if [ $# -eq 3 -a "$2" = '-d' ]; then
    pdir="-d $3"
elif [ $# -ne 1 ]; then
    echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
    exit 1
fi
case "$1" in
    -patch) patch $pdir -f --no-backup-if-mismatch -p1 < $0;;
    -unpatch) patch $pdir -f --no-backup-if-mismatch -R -p1 < $0;;
    *)
	echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
	exit 1
esac
exit 0

# DP: document /etc/bash.bashrc in bash man page

--- bash/doc/bash.1.orig	2008-11-29 17:37:14.000000000 +0000
+++ bash/doc/bash.1	2008-11-29 17:40:07.000000000 +0000
@@ -184,7 +184,9 @@
 .PD
 Execute commands from
 .I file
-instead of the standard personal initialization file
+instead of the system wide initialization file
+.I /etc/bash.bashrc
+and the standard personal initialization file
 .I ~/.bashrc
 if the shell is interactive (see
 .SM
@@ -215,7 +217,9 @@
 below).
 .TP
 .B \-\-norc
-Do not read and execute the personal initialization file
+Do not read and execute the system wide initialization file
+.I /etc/bash.bashrc
+and the personal initialization file
 .I ~/.bashrc
 if the shell is interactive.
 This option is on by default if the shell is invoked as
@@ -323,13 +327,15 @@
 .PP
 When an interactive shell that is not a login shell is started,
 .B bash
-reads and executes commands from \fI~/.bashrc\fP, if that file exists.
+reads and executes commands from \fI/etc/bash.bashrc\fP and \fI~/.bashrc\fP,
+if these files exist.
 This may be inhibited by using the
 .B \-\-norc
 option.
 The \fB\-\-rcfile\fP \fIfile\fP option will force
 .B bash
-to read and execute commands from \fIfile\fP instead of \fI~/.bashrc\fP.
+to read and execute commands from \fIfile\fP instead of
+\fI/etc/bash.bashrc\fP and \fI~/.bashrc\fP.
 .PP
 When
 .B bash
@@ -415,7 +421,8 @@
 If
 .B bash
 determines it is being run in this fashion, it reads and executes
-commands from \fI~/.bashrc\fP, if that file exists and is readable.
+commands from \fI~/.bashrc\fP and \fI~/.bashrc\fP, if these files
+exist and are readable.
 It will not do this if invoked as \fBsh\fP.
 The
 .B \-\-norc
@@ -9293,6 +9300,9 @@
 .FN /etc/profile
 The systemwide initialization file, executed for login shells
 .TP
+.FN /etc/bash.bashrc
+The systemwide per-interactive-shell startup file
+.TP
 .FN ~/.bash_profile
 The personal initialization file, executed for login shells
 .TP