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A Web application front end that operates on the working copy of an Subversion (SVN) repository.

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svn_wc_tree ↑

A Web application front end that operates on the working copy of an Subversion (SVN) repository. (See Requirements)

VERSION: ↑

Version 0.0.10

NOTE: THIS IS ALPHA QUALITY SOFTWARE, use at your own risk!

SYNOPSIS: ↑

Install easy option 1:

PHP INSTALL:
$ sudo svn_wc_tree --html /var/www --php true --conf_location /opt/svn_conf.yaml

Navigate browser (javascript required) to to html docs dir specified above:
(i.e. DocumentRoot /var/www)
http://localhost/svn_wc_tree/index.html

Install easy option 2:

CGI INSTALL:
$ sudo svn_wc_tree --html /var/www  --cgi /usr/lib/cgi-bin \
                   --post_to_url 'http://localhost/cgi-bin/svn_wc_broker.cgi' \
                   --conf_location /opt/svn_conf.yaml

Navigate browser (javascript required) to to html docs dir specified above:
(i.e. DocumentRoot /var/www)
http://localhost/svn_wc_tree/index.html

DESCRIPTION: ↑

This CGI/AJAX Web Application is designed to operate on a working copy of a remote Subversion repository.

Currently, it provides only very basic SVN functions (see FEATURES).

It does not do any sort of repository administration type operations, just working directory repository management.

FEATURES: ↑

  • Current supported operations

    • open

    • checkout/co

    • list/ls

    • update/up

    • commit/ci

    • status/stat

    • diff

    • info

    • add

    • revert

    • delete

    • svn+ssh is our primary connection use case, however can connect to and operate on file:/// URI as well

REQUIREMENTS: ↑

  • Requires that the Subversion (SWIG) Ruby Bindings are installed.

  • Requires that the svn_wc gem is installed. (i.e. sudo gem install svn_wc)

  • Ruby (tested with 1.8.6, 1.8.7)

  • CGI or PHP enabled

INSTALL: ↑

This library is intended to be installed as a Gem. (hosted on gemcutter.org)

$ gem install svn_wc_tree

OVERVIEW: ↑

This serverfault post describes what I was looking for and what I am trying to satisfy with this web application:

"I want a web interface to manage a WORKING COPY of a repository (NOT the repository itself). 
There are lots of already made tools to manage the repository, but I also have not found a 
single one to manage a remote working copy.  I need a user-friendly interface to perform stuff like:
"svn status", "svn info", "svn commit", "svn update", "svn revert",
"svn add", "svn delete"  and "svn diff"... upon a WORKING COPY which resides
in a remote host.  (I'm not interested in the repository, I'm interested in the WORKING COPY
management.)
I don't want to do SSH login and perform these commands. I want to enable
not-advanced users to do some stuff in the hosted working copy, using a
web interface,...

USAGE: ↑

Javascript enabled web browser

DIAGNOSTICS ↑

  • Errors: An error such as: “Error: Error: can’t convert nil into String” probably means that you did not set CONF_FILE in the cgi file. (post install)

    An error such as: /build/buildd/subversion-1.6.5dfsg/subversion/libsvn_ra_svn/streams.c:75: Svn::Error::RaSvnConnectionClosed:

    probably means the app cannot make an ssh connection to the host. solution: set up ssh keys for the user the app is trying to connect as (note, this will probably the user your web server is running as)

    “status check Failed: /build/buildd/subversion-1.6.5dfsg/subversion/libsvn_wc/lock.c:572: Svn::Error::WcNotDirectory: ‘/tmp/repo’ is not a working copy #<SvnWc::RepoAccess:0xb73a0874>”

    I don’t remember

    An error such as:

    Repository: undefined
User:  undefined
Config File: undefined

Error: can't convert nil into String

Probably means you haven't specified a config file path.

  • Exceptions:

CONFIGURATION AND ENVIRONMENT: ↑

  • In order to make use of this module,…

    configuration file: (is the the YAML format)

$ cat svnwc_conf.yaml 
# svn connection info
#svn_repo_master       : file:///tmp/svnrepo
svn_repo_master        : svn+ssh://example.com/opt/svnrepo
svn_repo_working_copy  : /usr/local/svn/repo_root
svn_user               : svn_test_user
svn_pass               : svn_test_pass
svn_repo_config_path   : /opt/config

  • possibly you want to integrate this seamlessly into your existing web application, an iframe may work well for this. The iframe height parameter does not work as expected, this work around hack helps. (credit: guymal.com/mycode/100_percent_iframe/)

    <script language=“javascript”> <!–

    function resize_iframe(id) {
  var height=window.innerWidth; //Firefox
  if (document.body.clientHeight) height=document.body.clientHeight; //IE
  document.getElementById(id).style.height=parseInt(height-document.getElementById(id).offsetTop-8)+"px"; //resize the iframe according to the size of the window
  //document.getElementById(id).height=document.body.offsetHeight-document.getElementById(id).offsetTop-26;
}

    //–> </script> <table style=“height:100%;width:100%”>

    <tbody>
 <tr>
  <td style="height:100%;width:100%">
    <iframe id='svn_frame' src="/svn_wc_tree/index.html" width="100%"
            height="100%" marginwidth="0" marginheight="0"
            vspace="0" hspace="0" frameborder="1"
            onload='resize_iframe("svn_frame")'
            style="margin:0; padding:0; height:100%;width:100%;
           display:block;border:none;">
      <p>Your browser does not support iframes.</p>
    </iframe>
  </td>
 </tr>
</tbody>

    </table>

  • If you want to integrate this into a rails web app. (and eliminate cgi). Create a new controller such as:

    begin; require ‘rubygems’; rescue LoadError; end require ‘fileutils’ require ‘svn_wc_broker’

    class SvnController < ApplicationController

    #before_filter :session_required

include SvnWcBroker

def index
  @conf_file = '/var/www/config/svn_conf.yaml'

  if request.get? then render :template => 'svn/index' and return false end

  if request.post?
   set_conf_file(@conf_file)
   render :json => handle_responses(params) and return false
  end
end

    end

    And Create a new view (svn/index.html.erb) with the iframe content from above.

  • NOTE/WARNING: Keep in mind, that whatever approach you take.

    "/svn_wc_tree/index.html" is accessible to the public, 
which is very BAD. (see mod_rewrite rules below).
Please provide some protection to the web accessible 
SVN tree page, "/svn_wc_tree/index.html", an .htaccess or
cookie scheme, still depending on your set up anyone with 
access to your web app will have rw access to this svn page.

  • Here are some mod_rewrite rules you could use at a mininum. # add to httpd.conf (or last resort .htaccess)

    # add rules for svn_wc_tree # disallow direct access to svn_wc_tree/index.html #RewriteCond %{HTTP_REFERER} ^$ [NC] # only allow this referrer to access svn_wc_tree/index.html RewriteCond %{HTTP_REFERER} !^(.*)/cgi-bin/svn_wc_broker.cgi [NC] RewriteRule ^(/svn_wc_tree/index.html)$ - [F,L] # allow other resources to pass for svn_wc_tree RewriteRule ^(/svn_wc_tree/)(.*) $1$2 [PT,L]

  • NOTE: The most efficient use of this web app is to run it as a controller in a ROR application, the second most efficient way is as a CGI app, if you have no choice run as a PHP app, which is the easiest (and slowest) method.

  • This library should work anywhere that the ‘subversion-rubybindings’ are installed

TESTS: ↑

TODO: (cant figure out how to make this work on the JsTree ajax widget,
      will look into selinium)
<strike>Tests, this webapp has functional tests written against the front end.
The tests are written in celerity, which is API compatible with Watir.
(more at {Celerity}[http://celerity.rubyforge.org/])
Celerity is written in jruby, so to run the tests, you'll need jruby 
and celerity installed.</strike>

basic REST interface tests in progress,...

on Ubuntu.
$ sudo apt-get install jruby1.2 
$ sudo jruby -S gem install celerity
Successfully installed celerity-0.7.9
$ jruby tests/front_end_functional.rb

DEPENDENCIES: ↑

require 'cgi'
require 'yaml'
require 'json'
require 'pathname'
require 'fileutils'
require 'find'
require 'svn_wc_broker' (provided with svn_wc_tree)
require 'svn_wc'

INCOMPATIBILITIES: ↑

javascript disabled and non javascript enabled browsers

BUGS AND LIMITATIONS: ↑

This library currently provides only very basic svn operations.

SUPPORT: ↑

ri SvnRepoClient ri SvnWcBroker ri SvnWc::RepoAccess svn_wc_tree –html

CHANGELOG: ↑

See the ChangeLog file for details.

LICENSE AND COPYRIGHT: ↑

Copyright 2010 David Wright ([email protected]), all rights reserved.

svn_wc_tree 0.0.5 is released under the LGPL license.

AUTHOR: ↑

Author

David Wright <[email protected]>

KEYWORDS: ↑

  • Ruby (SWIG) SVN bindings, ruby+svn, ruby, subversion, svn, rubysvn, Subversion extensions in Ruby, Web Application, GUI

ACKNOWLEDGEMENTS: ↑

thanks to the poster on serverfault for identifying what I was also looking for

ERRATA: ↑

For testing it is also possible to set the $SVN_SSH variable specifying the private key to use with -i so that you can try connecting as different users. For example:

export SVN_SSH=“ssh -i /home/dwright/.ssh/alt.key

  • The –post_to_url is a required argument, which set’s the Javascript file to point to the correct url, you shouldn’t ever have to but can hand edit the file: vim {DocumentRoot}/svn_wc_tree/js/swt.js // change for your host if necessary var POST_URL = ‘localhost/cgi-bin/svn_wc_broker.cgi’;

    Edit:
$ sudo vim /usr/lib/cgi-bin/svn_wc_broker.cgi
# set conf file path to your svn repo info config file
CONF_FILE = 'abs_path/to/svn_conf_file.yaml'

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A Web application front end that operates on the working copy of an Subversion (SVN) repository.

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