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Full Discussion: Pass path variable on SSH
Top Forums Shell Programming and Scripting Pass path variable on SSH Post 303032674 by Don Cragun on Thursday 21st of March 2019 08:54:53 PM
Old 03-21-2019
Quote:
Originally Posted by vgersh99
Good point, Don.
I thought executing echo $(pwd) (as it's not a variable, but rather an active function) through ssh on a remote system, would return the output of command pwd from the remote, rather than local...
echo $(pwd) is superfluous anyway - should be either plain pwd or as you indicated echo \${PWD}.
Hi vgersh99,
Ouch. Yes, you're right that was a command substitution; not a variable expansion. (I do know that I need new glasses and I have an appointment with my ophthalmologist Tuesday morning.)

But, just like a variable expansion, if the <dollar-sign> isn't escaped in a command substitution, it will be performed by the local shell; not by the remote shell.

I guess seeing echo $(pwd) I interpreted it as echo ${pwd} instead because pwd would be so much easier and would be interpreted by the remote shell instead of by the local shell (true for variable expansion and for command substitution). I apologize for any confusion my comments may have raised.

Sorry,
Don
 

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SVN::Notify::Mirror::Rsync(3pm) 			User Contributed Perl Documentation			   SVN::Notify::Mirror::Rsync(3pm)

NAME
SVN::Notify::Mirror::Rsync - Mirror a repository path via Rsync SYNOPSIS
Use svnnotify in post-commit: svnnotify --repos-path "$1" --revision "$2" --handler Mirror::Rsync --to "/path/to/local/htdocs" [--svn-binary /full/path/to/svn] --rsync-host remote_server [--rsync-delete=[yes|no]] [--rsync-dest "/path/on/remote/server"] [--rsync-args arg1 [--rsync-args arg2...]] [[--rsync-ssh] [--ssh-user remote_user] [--ssh-identity /home/user/.ssh/id_rsa]] or better yet, use SVN::Notify::Config for a more sophisticated setup: #!/usr/bin/perl -MSVN::Notify::Config=$0 --- #YAML:1.0 '': PATH: "/usr/bin:/usr/local/bin" 'path/in/repository': handler: Mirror to: "/path/to/www/htdocs" 'some/other/path/in/repository': handler: Mirror to: "/path/to/local/www/htdocs" rsync-host: "remote_host" rsync-dest: "/path/on/remote/www/htdocs" ssh-user: "remote_user" ssh-identity: "/home/user/.ssh/id_rsa" DESCRIPTION
Keep a directory in sync with a portion of a Subversion repository. Typically used to keep a development web server in sync with the changes made to the repository. This directory can either be on the same box as the repository itself, or it can be remote (via SSH connection). USAGE
Depending on whether the target is a "Local Mirror" or a Remote Mirror, there are different options available. All options are available either as a commandline option to svnnotify or as a hash key in SVN::Notify::Config (see their respective documentation for more details). Working Copy on Local host Because 'svn export' is not able to be consistently updated, the local rsync'd directory must be a full working copy. The remote server will only contain the ordinary files (no Subversion admin files). The files in the working copy must be writeable (preferrably owned) by the user identity executing the hook script (this is the user identity that is running Apache or svnserve respectively). Local Mirror Please see " SVN::Notify::Mirror " for details. Remote Mirror Used for directories not located on the same machine as the repository itself. Typically, this might be a production web server located in a DMZ, so special consideration must be paid to security concerns. In particular, the remote mirror server may not be able to directly access the repository box. o rsync-host This value is required and must be the hostname or IP address of the remote host (where the mirror directories reside). o rsync-delete The default mode of operation is to delete remote files which are not present in the local working copy. NOTE: this will delete any unversioned files in the remote directory tree. Unless you have all of your files under version control, you should pass the "--no-rsync-delete" or "--rsync-delete no" option. o rsync-dest This optional value specifies the path to update on the remote host. If you do not specify this value, the same path as passed in as the "--to" parameter will be used (this may not be what you meant to do). o rsync-args This optional parameter can be used to pass additional commandline options to the rsync command. You can use this multiple times in order to pass multiple options. The default args are "--archive --compress". See the "rsync-ssh" options for using SSH instead of RSH (rather than pass those commands via "--rsync-args" o rsync-ssh This optional parameter signals that you wish to use SSH instead of whatever the default remote shell program is configured in your copy of rsync. You may need to set one or more of the "ssh-*" parameters as well. o ssh-user If the remote user is different than the local user executing the postcommit script, you can specify it with this parameter. You would often use this in conjunction with the next parameter. o ssh-identity This value may be optional and should be the full path to the local identity file being used to authenticate with the remote host. If you are setting the ssh-user to be something other than the local user name, you will typically also have to set the ssh-identity. AUTHOR
John Peacock <jpeacock@cpan.org> COPYRIGHT
Copyright (c) 2005-2008 John Peacock This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. SEE ALSO
SVN::Notify, SVN::Notify::Config, SVN::Notify::Mirror perl v5.14.2 2012-07-04 SVN::Notify::Mirror::Rsync(3pm)
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