2 # Filename: grml-screen
3 # Purpose: wrapper for screen to start with appropriate configuration
4 # Authors: grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
5 # Bug-Reports: see http://grml.org/bugs/
6 # License: This file is licensed under the GPL v2.
7 ################################################################################
9 # export variable USER for use withing GNU screen:
15 sudo chown $USER.tty $TTY
17 # FIXME: fix for screen race-conditions
18 PID_FILE_="/var/run/grml-screen"
20 if [ ! -d "/var/run/screen/S-$USER" ]; then
21 # no /var/run/screen/S-$USER and possible no /var/run/screen either -> locking
22 for i in `seq 40`; do # 40*0.25 = 10 seconds
23 if lockfile-create --retry 0 $PID_FILE_; then
24 echo $MY_PID_ >$PID_FILE_
30 if [ -f $PID_FILE_ ]; then
33 for i in `seq 40`; do # 40*0.25 = 10 seconds
34 if [ ! -d "/var/run/screen/S-$USER" ]; then
35 sleep 0.25 # educated guess
40 if [ `cat $PID_FILE_` = $MY_PID_ ]; then
42 lockfile-remove $PID_FILE_
47 SLEEP_TIME_="$(( $$ % 5 * 5 + 5 ))"
48 echo "grml-screen: Error could not create lockfile! (sleeping for $SLEEP_TIME_)"
52 # now run screen with config
53 cd $HOME # important for e.g. hardcopy-feature
54 # do we have a utf8 enabled terminal?
55 [ -x /usr/bin/vt-is-UTF8 ] && /usr/bin/vt-is-UTF8 -q && UTF='-U'
56 if [ `id -u` = 0 ] ; then
57 exec screen $UTF -c /etc/grml/screenrc
58 elif [ -r "$HOME/.screenrc" ] ; then
59 exec screen $UTF -c "$HOME/.screenrc"
61 exec screen $UTF -c /etc/grml/screenrc_grml
64 ## END OF FILE #################################################################