source: trunk/debathena/debathena/dotfiles/bashrc @ 25647

Revision 25647, 5.0 KB checked in by jdreed, 12 years ago (diff)
In dotfiles: * Use a test for LD_ASSUME_KERNEL that doesn't trigger unbound variable warnings
RevLine 
[13196]1# Global bashrc file
2#
[22516]3# $Id: bashrc,v 1.39 2006-07-17 23:14:07 rbasch Exp $
[13196]4
5# This file is sourced by default user file ~/.bashrc
6
[22913]7initdir=/usr/lib/init
[13196]8
[25097]9# Determine if we're in an sftp or scp session and if so, be quiet
10SILENT=no
11case "$BASH_EXECUTION_STRING" in
[25364]12    */usr/lib/openssh/sftp-server)
[25097]13        SILENT=yes
14        ;;
[25099]15    scp\ *)
[25097]16        SILENT=yes
17        ;;
18esac
19
[13196]20# *******************   ENVIRONMENT SETUP   *******************
21
22# Set up standard system/user environment configuration (including setup of
23# environment variables, attachment of lockers, and setting of search path)
24
[25343]25if [ "${ENV_SET:+set}" != set ]; then
[13196]26
27        export ENV_SET=t                        # Avoid unnecessary repeat
[22913]28        export HOSTTYPE="`/bin/machtype`"
[13196]29
[24770]30        # Ensure user's homedir is attached, for legacy things
31        # that care about attachtab
[24792]32        # Only attach if running as an Athena user, not e.g. using sudo.
[24793]33        if [ "$DEBATHENA_HOME_TYPE" = afs ]; then
34                /bin/attach -h -q "${ATHENA_USER:-$USER}"
[24792]35        fi
[24770]36
[22975]37        if [ -r "$HOME/.generation" ]; then
38                export ATHENA_DOTFILE_GENERATION=`cat "$HOME/.generation"`
39        else
40                export ATHENA_DOTFILE_GENERATION=0
41        fi
42
[21164]43        ulimit -S -c 0                          # Don't allow coredumps
[13196]44        export EDITOR=emacs                     # Set default editor
45        export MM_CHARSET=iso-8859-1
46
[23438]47        export EMAIL="$USER@mit.edu"            # Set default email address
48
[22913]49        export MORE=-s
[13222]50
[22913]51        export ATHENA_SYS=`/bin/machtype -S`
52        export ATHENA_SYS_COMPAT=`/bin/machtype -C`
[13196]53
[13238]54        if [ -z "$ATHENA_SYS" ]; then
[13196]55                export ATHENA_SYS=@sys
[13238]56        fi
[13196]57
[23132]58        if [ "${PRINTER+set}" != set \
[23513]59          -a -e /var/run/athena-clusterinfo.csh ]; then
[23132]60                PRINTER=`awk '/LPR/ { print $3 }' \
[23513]61                  /var/run/athena-clusterinfo.csh`
[13196]62                if [ -n "$PRINTER" ]; then export PRINTER; fi
63        fi
64
65        # Reset the HOME variable to correspond to the actual location
66        # of the user's home directory.  This will avoid having long
67        # pathnames being printed when /mit/<user> is a symlink to a
68        # path within AFS.
[13222]69
[22439]70        x=`(cd && /bin/pwd) 2>/dev/null`
[13196]71        if [ -n "$x" ]; then
72                export HOME=$x
[22439]73                if [ "$x" = "`/bin/pwd`" ]; then
74                        cd "$HOME"
75                fi
[13196]76        fi
77        unset x
78
79        # Run user environment customizations identified in your
80        # ~/.bash_environment file.  This is the place to include your
81        # own environment variables, attach commands, and other system
82        # wide setup commands.  You can also cancel default behaviors
[13242]83        # listed above.
[13196]84        # ~/.bash_environment is not sourced if NOCALLS is set (i.e.,
85        # if you selected the xlogin "Ignore your customizations"
[25098]86        # option when you logged in).
[13196]87
[13222]88        if [ "${NOCALLS+set}" != set -a -r ~/.bash_environment ]; then
[25097]89            if [ "$SILENT" = "yes" ]; then
[25098]90                . ~/.bash_environment &> /dev/null
91            else
92                . ~/.bash_environment
[25097]93            fi
[13196]94        fi
[13564]95
[23030]96        # If the user has a bindir in $HOME, put it in front of the path.
[22913]97        athena_home_bin=$( /usr/bin/athdir "$HOME" )
[23030]98        PATH=${athena_home_bin:+$athena_home_bin:}$PATH
[22913]99        unset athena_home_bin
[13196]100
101fi
102
[22913]103
[13196]104# *******************  BASH SETUP   *******************
105
106# Set up standard bash shell initializations
107
[13479]108if [ "${XSESSION+set}" = set ]; then
[25379]109   if [ -x /usr/bin/gnome-session-quit ]; then
[25644]110        logout () { /usr/lib/init/check-for-reboot; gnome-session-quit --no-prompt; exit; } # logout for X
[25379]111   else   
[25644]112        logout () { /usr/lib/init/check-for-reboot; gnome-session-save --kill --silent; exit; } # logout for X
[25379]113   fi
[13196]114fi
115
116#   aliases dealing with adding locker programs
117
[23782]118setup_tty () {(export SUBJECT="$@"; $SHELL)}
119setup_X () {(export SUBJECT="$@"; xterm -title "$@" &)}
[13196]120
[23782]121if [ -n "$XSESSION" ]; then
122   alias setup=setup_X
123else
124   alias setup=setup_tty
125fi
[13196]126
[23782]127remove () { export SUBJECT="$@";
128            source $initdir/env_remove.bash;
129            unset SUBJECT; }
130
131if [ -n "$SUBJECT" -a -r $initdir/env_setup.bash ]; then
132        source $initdir/env_setup.bash
133fi
134
135
[13222]136# All of the bash initializing commands above can be overridden by using
137# "unset" or "unalias" commands (or by changing things using "set" or
[13196]138# "alias" again) in your ~/.bashrc.mine file, which is sourced here.
139# ~/.bashsrc.mine is not sourced if the xlogin "Ignore your customizations"
140# option was selected to begin the session.
141
[13222]142if [ "${NOCALLS+set}" != set -a -r ~/.bashrc.mine ]; then
[25097]143    if [ "$SILENT" = "yes" ]; then
[25098]144        . ~/.bashrc.mine &> /dev/null
145    else
146        . ~/.bashrc.mine
[25097]147    fi
[13196]148fi
[25590]149if [ "${skip_sanity_checks+set}" != set ]; then
[25593]150    missing=0
[25614]151    echo $PATH | /usr/bin/tr ':' '\n' | /bin/grep -Fqx /bin
[25601]152    [ $? -eq 0 ] || missing=1
[25614]153    echo $PATH | /usr/bin/tr ':' '\n' | /bin/grep -Fqx /usr/bin
[25601]154    [ $? -eq 0 ] || missing=1
[25593]155    if [ $missing -eq 1 ]; then
[25601]156        text="You appear to have incorrectly modified your PATH variable in your dotfiles,\nand as such have deleted /bin and/or /usr/bin from your PATH, which\nwill likely cause this login session to fail.  Please correct this problem.\nThis warning can be disabled with 'skip_sanity_checks=t' in ~/.bashrc.mine."
[25590]157        echo -e "$text" >&2
158        [ -n "$DISPLAY" ] && /usr/bin/zenity --warning --text="$text"
159    fi
[25647]160    if [ -n "${LD_ASSUME_KERNEL+x}" ]; then
[25590]161        unset LD_ASSUME_KERNEL
[25601]162        text="In your dotfiles, you set LD_ASSUME_KERNEL.  This generally causes undesirable behavior.\nIt has been unset for you.\nIf you really wanted it set, you can add 'skip_sanity_checks=t' to your ~/.bashrc.mine."
[25593]163        echo -e "$text" >&2
[25613]164        [ -n "$DISPLAY" ] && /usr/bin/zenity --warning --text="$text"
[25590]165    fi
166fi
167
168       
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