#715 - Cannot create X2Go Session Database on EPEL 5

X2Go Bug report logs - #715
Cannot create X2Go Session Database on EPEL 5

Reported by: Michael DePaulo <mikedep333@gmail.com>

Date: Sat, 3 Jan 2015 17:20:02 UTC

Severity: grave

Tags: pending

Found in version 4.0.1.18

Fixed in version 4.0.1.19

Done: X2Go Release Manager <git-admin@x2go.org>

Bug is archived. No further changes may be made.

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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Michael DePaulo <mikedep333@gmail.com>
Cc: 715@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#715: Proposed patch
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[Message part 1 (text/plain, inline)]

Hi Michael, On Mo 05 Jan 2015 14:29:18 CET, Michael DePaulo wrote: > Hi Mike#1, > > On Mon, Jan 5, 2015 at 5:13 AM, Mike Gabriel > <mike.gabriel@das-netzwerkteam.de> wrote: >> Hi Michael, >> >> >> On Mo 05 Jan 2015 05:12:04 CET, Michael DePaulo wrote: >> >>> Tags: patch >>> >>> I would like someone who knows Perl better, such as theUser2, to >>> review this patch. >>> >>> Although this is a very small patch, theUser2 advised me to be careful >>> when creating full paths. >>> >>> I tested it successfully under CentOS 5 and CentOS 6. >>> >>> I intended to use "make_path" instead of "mkpath" if File::Path 2.06 >>> or later was detected. However, I could not figure out how to write a >>> statement like "use File::Path( make_path)" if File::Path->VERSION is >>> 2.06 or later. Specifically, it appears that "use" statements are >>> executed at compile time in Perl, so they cannot be used within an if >>> block. And I cannot just specify "use File::Path" for all versions of >>> File::Path because "make_path" is not exported by default. >>> >>> EPEL 5: >>> http://perldoc.perl.org/5.8.8/File/Path.html >>> >>> EPEL 6: >>> http://perldoc.perl.org/5.10.1/File/Path.html >>> >>> Latest: >>> http://perldoc.perl.org/File/Path.html >> >> >> I recommend a more conditional approach testing the existence of the >> make_path (and the mkpath) function during runtimed using the "defined" >> command. >> >> See: >> http://stackoverflow.com/questions/433752/how-can-i-determine-if-a-perl-function-exists-at-runtime >> >> Mike > [...] > > I will follow that advice for runtime, but I still need to figure out > what to do at compile time. > > http://perldoc.perl.org/functions/use.html > "Because use takes effect at compile time, it doesn't respect the > ordinary flow control of the code being compiled. In particular, > putting a use inside the false branch of a conditional doesn't prevent > it from being processed." Ah, ok. Simply import (use) the complete File::Path package (use File::Path) and reference the make_path and the mkpath function under its full package+function name (i.e. "File::Path::make_path", e.g.). Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

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X2Go Bug report logs - #715 Cannot create X2Go Session Database on EPEL 5

X2Go Bug report logs - #715
Cannot create X2Go Session Database on EPEL 5