#!/bin/sh
#
# /etc/X11/Xsession
#
# global Xsession file -- used by display managers and xinit (startx)
# $Id: Xsession 967 2005-12-27 07:20:55Z dnusinow $
set -e
PROGNAME=Xsession
message () {
# pretty-print messages of arbitrary length; use xmessage if it
# is available and $DISPLAY is set
MESSAGE="$PROGNAME: $*"
echo "$MESSAGE" | fold -s -w ${COLUMNS:-80} >&2
if [ -n "$DISPLAY" ] && which xmessage > /dev/null 2>&1; then
echo "$MESSAGE" | fold -s -w ${COLUMNS:-80} | xmessage -center -file -
fi
}
message_nonl () {
# pretty-print messages of arbitrary length (no trailing newline); use
# xmessage if it is available and $DISPLAY is set
MESSAGE="$PROGNAME: $*"
echo -n "$MESSAGE" | fold -s -w ${COLUMNS:-80} >&2;
if [ -n "$DISPLAY" ] && which xmessage > /dev/null 2>&1; then
echo -n "$MESSAGE" | fold -s -w ${COLUMNS:-80} | xmessage -center -file -
fi
}
errormsg () {
# exit script with error
message "$*"
exit 1
}
internal_errormsg () {
# exit script with error; essentially a "THIS SHOULD NEVER HAPPEN" message
# One big call to message() for the sake of xmessage; if we had two then
# the user would have dismissed the error we want reported before seeing the
# request to report it.
errormsg "$*" \
"Please report the installed version of the \"x11-common\"" \
"package and the complete text of this error message to" \
"<debian-x@lists.debian.org>."
}
# initialize variables for use by all session scripts
OPTIONFILE=/etc/X11/Xsession.options
SYSRESOURCES=/etc/X11/Xresources
USRRESOURCES=$HOME/.Xresources
SYSSESSIONDIR=/etc/X11/Xsession.d
USERXSESSION=$HOME/.xsession
USERXSESSIONRC=$HOME/.xsessionrc
ALTUSERXSESSION=$HOME/.Xsession
ERRFILE=$HOME/.xsession-errors
# attempt to create an error file; abort if we cannot
if (umask 077 && touch "$ERRFILE") 2> /dev/null && [ -w "$ERRFILE" ] &&
[ ! -L "$ERRFILE" ]; then
chmod 600 "$ERRFILE"
elif ERRFILE=$(tempfile 2> /dev/null); then
if ! ln -sf "$ERRFILE" "${TMPDIR:=/tmp}/xsession-$USER"; then
message "warning: unable to symlink \"$TMPDIR/xsession-$USER\" to" \
"\"$ERRFILE\"; look for session log/errors in" \
"\"$TMPDIR/xsession-$USER\"."
fi
else
errormsg "unable to create X session log/error file; aborting."
fi
exec >>"$ERRFILE" 2>&1
echo "$PROGNAME: X session started for $LOGNAME at $(date)"
# sanity check; is our session script directory present?
if [ ! -d "$SYSSESSIONDIR" ]; then
errormsg "no \"$SYSSESSIONDIR\" directory found; aborting."
fi
# Attempt to create a file of non-zero length in /tmp; a full filesystem can
# cause mysterious X session failures. We do not use touch, :, or test -w
# because they won't actually create a file with contents. We also let standard
# error from tempfile and echo go to the error file to aid the user in
# determining what went wrong.
WRITE_TEST=$(tempfile)
if ! echo "*" >>"$WRITE_TEST"; then
message "warning: unable to write to ${WRITE_TEST%/*}; X session may exit" \
"with an error"
fi
rm -f "$WRITE_TEST"
# use run-parts to source every file in the session directory; we source
# instead of executing so that the variables and functions defined above
# are available to the scripts, and so that they can pass variables to each
# other
SESSIONFILES=$(run-parts --list $SYSSESSIONDIR)
if [ -n "$SESSIONFILES" ]; then
set +e
for SESSIONFILE in $SESSIONFILES; do
. $SESSIONFILE
done
set -e
fi
exec ratpoison
exit 0
# vim:set ai et sts=2 sw=2 tw=80:
Reference: #!/bin/sh # # /etc/X11/Xsession # # global Xsession file -- used by display managers and xinit (startx) # $Id: Xsession 967 2005-12-27 07:20:55Z dnusinow $ set -e PROGNAME=Xsession message () { # pretty-print messages of arbitrary length; use xmessage if it # is available and $DISPLAY is set MESSAGE="$PROGNAME: $*" echo "$MESSAGE" | fold -s -w ${COLUMNS:-80} >&2 if [ -n "$DISPLAY" ] && which xmessage > /dev/null 2>&1; then echo "$MESSAGE" | fold -s -w ${COLUMNS:-80} | xmessage -center -file - fi } message_nonl () { # pretty-print messages of arbitrary length (no trailing newline); use # xmessage if it is available and $DISPLAY is set MESSAGE="$PROGNAME: $*" echo -n "$MESSAGE" | fold -s -w ${COLUMNS:-80} >&2; if [ -n "$DISPLAY" ] && which xmessage > /dev/null 2>&1; then echo -n "$MESSAGE" | fold -s -w ${COLUMNS:-80} | xmessage -center -file - fi } errormsg () { # exit script with error message "$*" exit 1 } internal_errormsg () { # exit script with error; essentially a "THIS SHOULD NEVER HAPPEN" message # One big call to message() for the sake of xmessage; if we had two then # the user would have dismissed the error we want reported before seeing the # request to report it. errormsg "$*" \ "Please report the installed version of the \"x11-common\"" \ "package and the complete text of this error message to" \ "<debian-x@lists.debian.org>." } # initialize variables for use by all session scripts OPTIONFILE=/etc/X11/Xsession.options SYSRESOURCES=/etc/X11/Xresources USRRESOURCES=$HOME/.Xresources SYSSESSIONDIR=/etc/X11/Xsession.d USERXSESSION=$HOME/.xsession USERXSESSIONRC=$HOME/.xsessionrc ALTUSERXSESSION=$HOME/.Xsession ERRFILE=$HOME/.xsession-errors # attempt to create an error file; abort if we cannot if (umask 077 && touch "$ERRFILE") 2> /dev/null && [ -w "$ERRFILE" ] && [ ! -L "$ERRFILE" ]; then chmod 600 "$ERRFILE" elif ERRFILE=$(tempfile 2> /dev/null); then if ! ln -sf "$ERRFILE" "${TMPDIR:=/tmp}/xsession-$USER"; then message "warning: unable to symlink \"$TMPDIR/xsession-$USER\" to" \ "\"$ERRFILE\"; look for session log/errors in" \ "\"$TMPDIR/xsession-$USER\"." fi else errormsg "unable to create X session log/error file; aborting." fi exec >>"$ERRFILE" 2>&1 echo "$PROGNAME: X session started for $LOGNAME at $(date)" # sanity check; is our session script directory present? if [ ! -d "$SYSSESSIONDIR" ]; then errormsg "no \"$SYSSESSIONDIR\" directory found; aborting." fi # Attempt to create a file of non-zero length in /tmp; a full filesystem can # cause mysterious X session failures. We do not use touch, :, or test -w # because they won't actually create a file with contents. We also let standard # error from tempfile and echo go to the error file to aid the user in # determining what went wrong. WRITE_TEST=$(tempfile) if ! echo "*" >>"$WRITE_TEST"; then message "warning: unable to write to ${WRITE_TEST%/*}; X session may exit" \ "with an error" fi rm -f "$WRITE_TEST" # use run-parts to source every file in the session directory; we source # instead of executing so that the variables and functions defined above # are available to the scripts, and so that they can pass variables to each # other SESSIONFILES=$(run-parts --list $SYSSESSIONDIR) if [ -n "$SESSIONFILES" ]; then set +e for SESSIONFILE in $SESSIONFILES; do . $SESSIONFILE done set -e fi exec ratpoison exit 0 # vim:set ai et sts=2 sw=2 tw=80: