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NAME

narada-lock-exclusive - run command under exclusive lock

VERSION

This document describes narada-lock-exclusive version 1.2.2

USAGE

    narada-lock-exclusive [/path/to/commands param ...]

DESCRIPTION

Wrapper for running other process under exclusive_lock(). Will also set environment variable NARADA_SKIP_LOCK to "1", so all scripts executed under this wrapper will not try to set their own locks.

When executed without params will run `bash --norc` with '[LOCKED]' prefix in $PS1.

Exit status of narada-lock-exclusive will be same as exit status of executed command.

Script must be executed only from "project root directory".

REQUIRED ARGUMENTS

None.

OPTIONS

See USAGE.

DIAGNOSTICS

None.

CONFIGURATION AND ENVIRONMENT

Use var/.lock and var/.lock.new files.

Will set NARADA_SKIP_LOCK environment variable.

DEPENDENCIES

None.

INCOMPATIBILITIES

None reported.

BUGS AND LIMITATIONS

No bugs have been reported.

Please report any bugs or feature requests to bug-narada@rt.cpan.org, or through the web interface at http://rt.cpan.org.

AUTHOR

Alex Efros <powerman.org>

LICENSE AND COPYRIGHT

Copyright (c) 2008-2013 Alex Efros <powerman.org>. All rights reserved.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.