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authornoa@gaiwan.org2024-03-18 23:34:19 +0000
committernoa@gaiwan.org2024-03-18 23:34:19 +0000
commitd73eea18892a877433c8ae04f9514cd6f49c4e74 (patch)
tree45efe9fda58d69fe79e1f890ae01c42c286a9551 /xdm/Xsession
Initial commit
Diffstat (limited to 'xdm/Xsession')
-rwxr-xr-xxdm/Xsession131
1 files changed, 131 insertions, 0 deletions
diff --git a/xdm/Xsession b/xdm/Xsession
new file mode 100755
index 0000000..a564fb0
--- /dev/null
+++ b/xdm/Xsession
@@ -0,0 +1,131 @@
+#!/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" ] && command -v 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" ] && command -v 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=$HOME/.config/xsession
+USERXSESSIONRC=$HOME/.xsessionrc
+ALTUSERXSESSION=$HOME/.Xsession
+ERRFILE=$HOME/.local/share/xsession-errors
+
+OPTIONS="$(
+ if [ -r "$OPTIONFILE" ]; then
+ cat "$OPTIONFILE"
+ fi
+ if [ -d /etc/X11/Xsession.options.d ]; then
+ run-parts --list --regex '\.conf$' /etc/X11/Xsession.options.d | xargs -d '\n' cat
+ fi
+)"
+
+has_option() {
+ # Ensure that a later no-foo overrides an earlier foo
+ if [ "$(echo "$OPTIONS" | grep -Eo "^(no-)?$1\>" | tail -n 1)" = "$1" ]; then
+ return 0
+ else
+ return 1
+ fi
+}
+
+# attempt to create an error file; abort if we cannot
+if (umask 077 && touch "$ERRFILE") 2> /dev/null && [ -w "$ERRFILE" ] &&
+ [ ! -L "$ERRFILE" ]; then
+ chmod 600 "$ERRFILE"
+elif ERRFILE=$(mktemp 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 \"$SYSSESSIONDIR\" directory found; aborting."
+fi
+
+# Attempt to create a file of non-zero length in /tmp; a full filesystem can
+# cause mysterious X session failures. We do not use touch, :, or test -w
+# because they won't actually create a file with contents. We also let standard
+# error from mktemp and echo go to the error file to aid the user in
+# determining what went wrong.
+WRITE_TEST=$(mktemp)
+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
+
+exit 0
+
+# vim:set ai et sts=2 sw=2 tw=80: