X2Go Bug report logs - #105
Logic errors in x2goruncommand

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From: owner@bugs.x2go.org (X2Go Bug Tracking System)
Subject: Bug#105 closed by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
 (The reported issue has been fixed in X2Go Server 4.0.0.1)
Message-ID: <handler.105.c.136399990510103.notifdone@bugs.x2go.org>
References: <20130323015112.65264wseoryb2c1s@mail.das-netzwerkteam.de>
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X-X2go-PR-Message: they-closed 105
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Date: Sat, 23 Mar 2013 01:03:04 +0000
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This is an automatic notification regarding your Bug report
which was filed against the x2goserver package:

#105: Logic errors in x2goruncommand

It has been closed by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Mike Gabriel <mike.gabriel@das-netzwerkteam.de> by
replying to this email.


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Contact owner@bugs.x2go.org with problems

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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: 83@bugs.x2go.org, 86@bugs.x2go.org, 105@bugs.x2go.org, 121@bugs.x2go.org

Cc: control@bugs.x2go.org

Subject: The reported issue has been fixed in X2Go Server 4.0.0.1

Date: Sat, 23 Mar 2013 01:51:12 +0100

[Message part 3 (text/plain, inline)]

close #83
close #86
close #105
close #121
thanks

The reported issue has been solved in release 4.0.0.1 of X2Go Server.

light+love,
Mike

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From: "Matthew L. Dailey" <matthew.l.dailey@dartmouth.edu>

To: submit@bugs.x2go.org

Subject: Logic errors in x2goruncommand

Date: Fri, 18 Jan 2013 12:15:56 -0500

[Message part 6 (text/plain, inline)]

Package: x2goserver
Version: 4.1.0.0

Greetings.

In working on a deployment of X2Go on some Ubuntu machines, I found some logic errors in the x2goruncommand script that cased it not to determine the proper session to run for Gnome or Unity on Ubuntu 12.04 (and probably others). In essence, the script was testing the return code of bc, rather than the actual answer (1 or 0) to the boolean question being passed to it.

Here is a patch (also attached) that fixes this problem and I can verify that this works on at least Ubuntu 12.04 systems. I don't have any others I can easily test on. I'm not crazy about the quotes both outside and inside $(), but I think it should be okay. Perhaps a more adept bash programmer might have a better suggestion. :-)

Thanks for your attention and please let me know if you have any questions or need any other information. And, thanks for your hard work on this terrific project!

-- 
Matthew L. Dailey
Systems Administrator
Thayer School of Engineering
Dartmouth College

--- x2goruncommand.orig	2012-12-30 16:49:03.000000000 -0500
+++ x2goruncommand	2013-01-15 16:45:33.623393451 -0500
@@ -91,13 +91,13 @@
 if [ "$cmd" == "GNOME" ] || [ "$cmd" == "gnome-session" ]; then
 
 	cmd="/usr/bin/gnome-session"
-	if [ "$DISTRIB_ID" == "Ubuntu" ] && $(echo "$DISTRIB_RELEASE >= 11.10" | bc); then
+	if [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$(echo "$DISTRIB_RELEASE >= 11.10" | bc)" == "1" ]; then
 		export DESKTOP_SESSION="gnome-fallback"
 		args=" --session=$DESKTOP_SESSION"
-	elif [ "$DISTRIB_ID" == "Ubuntu" ] && $(echo "$DISTRIB_RELEASE == 11.04" | bc); then
+	elif [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$(echo "$DISTRIB_RELEASE == 11.04" | bc)" == "1" ]; then
 		export DESKTOP_SESSION="2d-gnome"
 		args=" --session=$DESKTOP_SESSION"
-	elif [ "$DISTRIB_ID" == "Ubuntu" ] && $(echo "$DISTRIB_RELEASE <= 10.10" | bc); then
+	elif [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$(echo "$DISTRIB_RELEASE <= 10.10" | bc)" == "1" ]; then
 		export DESKTOP_SESSION="gnome"
 	elif cat /etc/debian_version | egrep "^(squeeze|6\.).*" >/dev/null; then
 		export DESKTOP_SESSION="gnome"
@@ -108,13 +108,13 @@
 
 elif ([ "$cmd" == "UNITY" ] || [ "$cmd" == "unity" ]); then
 	cmd="/usr/bin/gnome-session"
-	if [ "$DISTRIB_ID" == "Ubuntu" ] && $(echo "$DISTRIB_RELEASE" >= 12.10 | bc); then
+	if [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$(echo "$DISTRIB_RELEASE >= 12.10" | bc)" == "1" ]; then
 		export DESKTOP_SESSION="ubuntu"
 		args=" --session=$DESKTOP_SESSION"
-	elif [ "$DISTRIB_ID" == "Ubuntu" ] && [ $(echo "$DISTRIB_RELEASE" == 11.10 | bc) || $(echo $DISTRIB_RELEASE == 12.04 | bc) ]; then
+	elif [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$(echo "$DISTRIB_RELEASE == 11.10" | bc)" == "1" -o "$(echo "$DISTRIB_RELEASE == 12.04" | bc)" == "1" ]; then
 		export DESKTOP_SESSION="ubuntu-2d"
 		args=" --session=$DESKTOP_SESSION"
-	elif [ "$DISTRIB_ID" == "Ubuntu" ] && $(echo "$DISTRIB_RELEASE" == 11.04 | bc); then
+	elif [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$(echo "$DISTRIB_RELEASE == 11.04" | bc)" == "1" ]; then
 		export DESKTOP_SESSION="2d-ubuntu"
 		args=" --session=$DESKTOP_SESSION"
 	fi

[x2goruncommand.patch (application/octet-stream, attachment)]

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