source: trunk/packs/dotfiles/bashrc @ 22516

# Global bashrc file
#
# $Id: bashrc,v 1.39 2006-07-17 23:14:07 rbasch Exp $

# This file is sourced by default user file ~/.bashrc

initdir=/usr/athena/lib/init



# *******************   ENVIRONMENT SETUP   *******************



# Set up standard system/user environment configuration (including setup of
# environment variables, attachment of lockers, and setting of search path)

# If we see ENV_SET set to empty, we could be a tcsh user who has
# decided to run bash, or we could be a bash user suffering from the
# misfeature that the standard xsession script runs the tcsh dotfiles
# for all users.  Running the environment setup for the former
# category of user would be unfriendly (it resets the homedir and
# path), so for now, only run environment setup for bash users.  If
# the xsession problem is ever fixed, change this conditional to check
# for '"${ENV_SET+set}" != set' and eliminate the shell check.
if [ "${ENV_SET:+set}" != set -a "${SHELL##*/}" = bash ]; then

        export ENV_SET=t                        # Avoid unnecessary repeat
        export HOSTTYPE="`/bin/athena/machtype`"

        umask 077                               # Strictly protect files
                                                #  (does not apply in AFS)
        ulimit -S -c 0                          # Don't allow coredumps
        export EDITOR=emacs                     # Set default editor
        export VISUAL=emacs                     # Set default screen editor
        export MM_CHARSET=iso-8859-1

        # Set standard Athena path variables (generic path for all users).
        # PATH will get set later after .bash_environment is run.
        case "$HOSTTYPE" in
        sgi)
                athena_path=/usr/athena/bin:/usr/athena/etc:
                athena_path=$athena_path:/bin/athena:/usr/sbin:/usr/bsd:/sbin
                athena_path=$athena_path:/usr/bin:/bin:/usr/bin/X11:/usr/etc
                MANPATH=/usr/athena/man:/usr/freeware/catman:/usr/share/catman
                MANPATH=$MANPATH:/usr/share/man:/usr/catman:/usr/man
                ;;
        sun4)
                athena_path=/srvd/patch:/usr/athena/bin:/usr/athena/etc
                athena_path=$athena_path:/bin/athena:/usr/openwin/bin
                athena_path=$athena_path:/usr/openwin/demo:/usr/dt/bin:/usr/bin
                athena_path=$athena_path:/usr/ccs/bin:/usr/sbin:/sbin
                athena_path=$athena_path:/usr/sfw/bin:/usr/ucb
                MANPATH=/usr/athena/man:/usr/openwin/man:/usr/dt/man:/usr/man
                MANPATH=$MANPATH:/usr/sfw/man
                ;;
        linux)
                athena_path=/usr/athena/bin:/usr/athena/etc
                athena_path=$athena_path:/bin/athena:/usr/bin:/bin
                athena_path=$athena_path:/usr/X11R6/bin:/usr/athena/etc
                athena_path=$athena_path:/usr/sbin:/sbin
                MANPATH=/usr/athena/man:/usr/share/man:/usr/X11R6/man
                ;;
        *)
                echo "Standard dotfiles do not support system type $HOSTTYPE."
        esac
        export MANPATH

        # Default "more" behavior
        case $HOSTTYPE in
        sgi)
                MORE=-se
                ;;
        *)
                MORE=-s
                ;;
        esac
        export MORE

        # Set miscellaneous system-dependent variables.
        case $HOSTTYPE in
        sgi)
                # The following set the default error message format
                # to omit the label and severity components, per the
                # standard IRIX /etc/profile.
                export MSGVERB=text:action
                export NOMSGLABEL=1
                export NOMSGSEVERITY=1
                ;;
        sun4)
                export OPENWINHOME=/usr/openwin
                ;;
        linux)
                # This is to ensure that native programs use the Athena
                # gconf, ORBit, bonobo-activation, etc. libraries
                # rather than the native ones.  GNOME programs outside
                # of /usr/athena/bin may not function properly if it is
                # not set.
                export LD_LIBRARY_PATH=/usr/athena/lib
                ;;
        esac
        
        export ATHENA_SYS=`/bin/athena/machtype -S`
        export ATHENA_SYS_COMPAT=`/bin/athena/machtype -C`

        if [ -z "$ATHENA_SYS" ]; then
                export ATHENA_SYS=@sys
        fi

        if [ "${PRINTER+set}" != set -a -e /var/athena/clusterinfo ]; then
                PRINTER=`awk '/LPR/ { print $3 }' /var/athena/clusterinfo`
                if [ -n "$PRINTER" ]; then export PRINTER; fi
        fi

        export XDG_DATA_DIRS=/usr/athena/share:/usr/share

        # Reset the HOME variable to correspond to the actual location
        # of the user's home directory.  This will avoid having long
        # pathnames being printed when /mit/<user> is a symlink to a
        # path within AFS.

        x=`(cd && /bin/pwd) 2>/dev/null`
        if [ -n "$x" ]; then
                export HOME=$x
                if [ "$x" = "`/bin/pwd`" ]; then
                        cd "$HOME"
                fi
        fi
        unset x

        # Special version of ADD for the .bash_environment file.

        add () {
                eval "$( /bin/athena/attach -Padd -b -P"$athena_path" "$@" )"
        }

        # Run user environment customizations identified in your
        # ~/.bash_environment file.  This is the place to include your
        # own environment variables, attach commands, and other system
        # wide setup commands.  You can also cancel default behaviors
        # listed above.
        # ~/.bash_environment is not sourced if NOCALLS is set (i.e.,
        # if you selected the xlogin "Ignore your customizations"
        # option when you logged in).

        if [ "${NOCALLS+set}" != set -a -r ~/.bash_environment ]; then
                . ~/.bash_environment
        fi
        
        # On IRIX, limits are reset on exec of a setuid program, e.g.
        # xterm. So record now what the user wanted coredumpsize to
        # be so we can fix it later.
        export COREDUMPSIZE_LIMIT=`ulimit -c`

        # Standard Athena path
        athena_home_bin=$( /usr/athena/bin/athdir "$HOME" )
        PATH=${athena_home_bin:+$athena_home_bin:}$athena_path:.
        unset athena_path athena_home_bin

        # Make sure applications can properly find their appdefs, etc.

        if [ "${XUSERFILESEARCHPATH+set}" != set ]; then
                XUSERFILESEARCHPATH=/usr/athena/lib/X11/app-defaults/%N
        else
                XUSERFILESEARCHPATH=$XUSERFILESEARCHPATH:/usr/athena/lib/X11/app-defaults/%N
        fi

        if [ sgi = "$HOSTTYPE" -a "${skip_sgi+set}" != set -a "${NOCALLS+set}" != set ]; then
                XUSERFILESEARCHPATH="$HOME/.desktop-$host/%N:$HOME/.desktop-$host/0.0/%N:$XUSERFILESEARCHPATH"
        fi

        export XUSERFILESEARCHPATH

fi
        

# *******************  BASH SETUP   *******************

# Set up standard bash shell initializations

set -o noclobber                # Don't overwrite files with redirection

if [ "${PS1+set}" = set ]; then
        if [ sgi = "$HOSTTYPE" -a -t 0 ]; then
                # Have no better way to do this at the moment.
                stty sane intr ^C
        fi
        case $HOME in
        /var/athena/tmphomedir/*)
                PS1="athena (temporary homedir)\$ "
                ;;
        *)
                PS1="athena\$ "
                ;;
        esac
        CDPATH=.:~
fi

# Fix coredumpsize limit in case it was reset
[ -n "$COREDUMPSIZE_LIMIT" ] && ulimit -S -c $COREDUMPSIZE_LIMIT

#   alias for re-establishing authentication
renew () { kinit $USER && fsid -a && zctl load /dev/null ; }

#   alias for a convenient way to change terminal type
term () { set -f; unset TERMCAP; eval "$( tset -s -I -Q "$@" )"; set +f; }

#   aliases dealing with x window system
xresize () { set -f; eval "$( resize -u )"; set +f ; }

if [ "${XSESSION+set}" = set ]; then
        if [ -z "$XSESSION" ]; then
                logout () { end_session && exit; }              # logout for X
        else
                logout () { kill -HUP $XSESSION && exit; }      # logout for X
        fi
fi

#   aliases dealing with adding locker programs

add_flags=
add () { eval "$( /bin/athena/attach -Padd -b $add_flags "$@" )" ; }

alias setup='echo "setup is not supported in bash yet"'


# All of the bash initializing commands above can be overridden by using
# "unset" or "unalias" commands (or by changing things using "set" or
# "alias" again) in your ~/.bashrc.mine file, which is sourced here.
# ~/.bashsrc.mine is not sourced if the xlogin "Ignore your customizations"
# option was selected to begin the session.

if [ "${NOCALLS+set}" != set -a -r ~/.bashrc.mine ]; then
        . ~/.bashrc.mine
fi