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| <title>What Needs Doing?</title> |
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| |
| <h1 style="text-align: center;">What Needs Doing?</h1> |
| |
| <p>There are a lot of different things you can do to help Subversion. |
| Not all involve coding; there are plenty of non-programming roles for |
| eager volunteers.</p> |
| |
| <p>Below are some of the needs we've identified, but please don't take |
| these as gospel! New volunteers bring fresh viewpoints, and one of |
| the most important things you can do is point out a need we hadn't |
| recognized before — and then fill it.</p> |
| |
| <!-- ============================================================= --> |
| <div class="h2" id="information-management" title="information-management"> |
| <h2>Information Management Tasks</h2> |
| |
| <p>These are non-coding tasks, so if you arrived here from the <a |
| href="http://code.google.com/summerofcode.html">Google Summer of Code</a> |
| pages, please skip to later sections.</p> |
| |
| <div class="h3" id="issue-management" title="issue-management"> |
| <h3>Issue Management</h3> |
| |
| <p>Do we need an Issue Manager? Maybe...</p> |
| |
| <p>The Subversion <a |
| href="http://subversion.tigris.org/project_issues.html">bug |
| database</a> has been managed in a rather ad hoc fashion thus far. |
| Periodically we make sweeps over all outstanding issues and try to |
| prioritize them, organize them into scheduled milestones, note |
| dependencies between issues, etc. These methods have been moderately |
| successful up till now, but they are not scaling well as the number of |
| issues grows. Since issue growth is proportional to user base growth, |
| the issue tracker is becoming a victim of Subversion's success. We |
| need to find new ways of managing our issues, ways that do not involve |
| making O(N) sweeps over the entire list of open issues at regular |
| intervals.</p> |
| |
| <p>While we have some semi-formalized management roles (patch manager, |
| release manager, etc), we have never had an issue manager. It might |
| be time to get one, though. It's not yet clear whether the problem is |
| mainly one of attention, or of algorithm, or both, but having someone |
| dedicated to managing the issues database couldn't hurt. One thing |
| such a person could do would be to go through the list of outstanding |
| issues, figure out which ones are likely to be <a |
| href="#bite-sized">bite-sized tasks</a>, and mark them as such, so |
| that other volunteers have an easier time choosing things to work on. |
| We've already marked various issues as bite-sized, but we haven't done |
| so consistently as new issues come in. This means there are a lot of |
| potential entry points to the project going unnoticed. Want to help |
| us solve that?</p> |
| |
| <p>Creative ideas welcome! If you'd like to help with this, please <a |
| href="http://subversion.tigris.org/servlets/ProjectMailingListList" |
| >subscribe</a> to the <a |
| href="mailto:dev@subversion.tigris.org">dev@subversion.tigris.org</a> |
| mailing list and post your thoughts.</p> |
| |
| </div> |
| |
| <div class="h3" id="faq-management" title="faq-management"> |
| <h3>FAQ Management</h3> |
| |
| <p>We need a FAQ manager. A FAQ manager is someone who stays |
| subscribed to the <a |
| href="mailto:users@subversion.tigris.org">users@subversion.tigris.org</a> |
| and <a href="mailto:dev@subversion.tigris.org" |
| >dev@subversion.tigris.org</a> mailing lists, watches for common |
| questions or addenda to existing questions, and slowly adjusts the |
| Subversion <a href="faq.html">FAQ</a> in response to the problems |
| users are having "in the wild". This is also a great way to get |
| familiar with Subversion usage patterns and common problems. If you |
| use or administrate Subversion anyway, helping to manage the FAQ is a |
| great way to expand your troubleshooting skills.</p> |
| |
| <p>Again, creative ideas are most welcome. Please post to the <a |
| href="mailto:dev@subversion.tigris.org">dev@subversion.tigris.org</a> |
| mailing list if you're interested in this.</p> |
| |
| </div> |
| |
| </div> |
| |
| <!-- ============================================================= --> |
| <div class="h2" id="bite-sized" title="bite-sized"> |
| <h2>Bite-Sized Coding Tasks</h2> |
| |
| <p>The Subversion bug database contains many issues classified as |
| "bite-sized" tasks — tasks that are well-defined and |
| self-contained, and thus suitable for a volunteer looking to get |
| involved with the project. You <i>don't</i> need broad or detailed |
| knowledge of Subversion's design to take on one of these, just a |
| pretty good idea of how things generally work, and familiarity with |
| the coding guidelines in the <a |
| href="http://svn.collab.net/repos/svn/trunk/HACKING">HACKING</a> |
| file. Many tasks are things a volunteer could pick off in a spare |
| week or two, and they're a great way to start learning your way around |
| the Subversion code.</p> |
| |
| <p> If you start one of these tasks, please notify the other |
| developers by marking the issue as "STARTED" in the issue tracker, |
| then mail <a |
| href="mailto:dev@subversion.tigris.org">dev@subversion.tigris.org</a> |
| (<a |
| href="http://subversion.tigris.org/servlets/ProjectMailingListList" |
| >subscribe</a> to that list too) with questions. Don't be shy, it's a |
| very civil mailing list.</p> |
| |
| <p>When you're ready to send in a patch, see the <a |
| href="http://subversion.tigris.org/mailing-list-guidelines.html#patches" |
| >patch posting guidelines</a>. Don't be discouraged if your patch |
| goes through several iterations of review by other developers; this is |
| normal.</p> |
| |
| <p>Here is the <a |
| href="http://subversion.tigris.org/issues/buglist.cgi?component=subversion&issue_status=UNCONFIRMED&issue_status=NEW&issue_status=STARTED&issue_status=REOPENED&keywords=bite-sized&cmdtype=doit" |
| >list of all bite-sized tasks</a>.</p> |
| |
| </div> |
| |
| <!-- ============================================================= --> |
| <div class="h2" id="larger-tasks" title="larger-tasks"> |
| <h2>Larger (But Not Necessarily Huge) Coding Tasks</h2> |
| |
| <p>The tasks listed below are bigger than bite-sized, but probably |
| don't require new research to solve. In other words, most of them are |
| a <a href="http://www.catb.org/~esr/jargon/html/S/SMOP.html">Simple |
| Matter Of Programming</a>. You'd need to either be, or be willing to |
| become, familiar with Subversion's internals to solve one of |
| these.</p> |
| |
| <p>As with the <a href="#bite-sized">bite-sized tasks</a>, please read |
| the <a |
| href="http://svn.collab.net/repos/svn/trunk/HACKING">HACKING</a> file |
| and don't hesitate to ask questions on the |
| <a href="mailto:users@subversion.tigris.org">users@subversion.tigris.org</a> |
| and |
| <a href="mailto:dev@subversion.tigris.org">dev@subversion.tigris.org</a> |
| mailing lists (see <a |
| href="http://subversion.tigris.org/servlets/ProjectMailingListList" |
| >here</a> for subscription information). Before posting any patches, |
| see the <a |
| href="http://subversion.tigris.org/mailing-list-guidelines.html#patches" |
| >patch posting guidelines</a>.</p> |
| |
| <div class="h3" id="ra_svn_authn" title="ra_svn_authn"> |
| <h3><a href="http://subversion.tigris.org/issues/show_bug.cgi?id=1144" |
| >Issue #1144</a>: Add Cyrus/SASL authentication support to |
| ra_svn (svn://)</h3> |
| |
| <p>Right now ra_svn only supports the ANONYMOUS and EXTERNAL |
| authentication mechanisms. This is enough to be useful (you can use |
| ssh for developers and daemon mode for anonymous read access), but |
| integrating Cyrus SASL would give users a multitude of other options: |
| passwords at various levels of security, Kerberos, one-time passwords, |
| etc.. The protocol is already designed to support SASL; this would |
| just be implementation work.</p> |
| |
| </div> |
| |
| <div class="h3" id="svnserve_authz" title="svnserve_authz"> |
| <h3><a href="http://subversion.tigris.org/issues/show_bug.cgi?id=2316" |
| >Issue #2316</a>: Improve svnserve (svn://) authorization support</h3> |
| |
| <p>It would be nice if ra_svn/svnserve had some form of path based |
| authorization, like mod_authz_svn provides when accessing repositories |
| via Apache. Access should be controlled on a per-user/per-group |
| access with read and write access controllable for each user/group. |
| This should use the same config files as mod_authz_svn unless there is |
| a REALLY good reason not to.</p> |
| |
| </div> |
| |
| <div class="h3" id="ntlm-sspi" title="ntlm-sspi"> |
| <h3><a href="http://subversion.tigris.org/issues/show_bug.cgi?id=1844" |
| >Issue #1844</a>: Subversion clients should be able to |
| authenticate using NTLM/SSPI</h3> |
| |
| <p>We have a subversion/apache server configured to use sspi to |
| authenticate users. Currently the svn client can't authenticate using |
| ntlm/sspi and uses basic authentication to connect to the server. |
| Users have to either store the credentials or enter them each time it |
| is needed. It would be very convenient/secure if the subversion |
| client could use the current user's windows credentials to login to |
| subversion automatically without prompting the user. |
| The <a href="http://www.webdav.org/neon/">neon</a> lib has added sspi |
| support in revision 457 (2005-01-27).</p> |
| |
| </div> |
| |
| <div class="h3" id="error-messages" title="error-messages"> |
| <h3><a href="http://subversion.tigris.org/issues/show_bug.cgi?id=1254" |
| >Issue #1254</a>, etc: Improve error messages</h3> |
| |
| <p>Too many of Subversion's error messages are terse or confusing. |
| Many instances are recorded in |
| <a href="http://subversion.tigris.org/issues/show_bug.cgi?id=1254" |
| >issue #1254</a>, but see also issues |
| <a href="http://subversion.tigris.org/issues/show_bug.cgi?id=2302" |
| >#2302</a>, |
| <a href="http://subversion.tigris.org/issues/show_bug.cgi?id=2295" |
| >#2295</a>, and |
| <a href="http://subversion.tigris.org/issues/show_bug.cgi?id=2275" |
| >#2275</a>.</p> |
| |
| </div> |
| |
| <div class="h3" id="text-bases" title="text-bases"> |
| <h3><a href="http://subversion.tigris.org/issues/show_bug.cgi?id=525" |
| >Issue #525</a> |
| and <a href="http://subversion.tigris.org/issues/show_bug.cgi?id=908" |
| >Issue #908</a>: Optional or compressed text base storage</h3> |
| |
| <p>Subversion stores locally a pristine copy of the base revision |
| (i.e., the unmodified checked-out revision) of each file in the |
| working copy. These pristine copies are known as "text bases". This |
| is great for doing offline diffs, and for transmitting deltas back to |
| the server when committing. But it's a bit of a space penalty on the |
| client side, and it would be nice to offer users the option to turn it |
| off sometimes, or failing that, to compress the text bases. Doing |
| either or both would be a lot of work, but mostly straightforward |
| coding work.</p> |
| |
| </div> |
| |
| </div> |
| |
| <!-- ============================================================= --> |
| <div class="h2" id="bindings" title="bindings"> |
| <h2>Improved Bindings to Other Languages</h2> |
| |
| <p>One of Subversion's strengths is that it offers a rich set of |
| "binding surfaces": well-documented APIs that are available not only |
| in C (Subversion's native language) but in other programming languages |
| as well (see the <a |
| href="project_links.html#lang_bindings">complete list</a>).</p> |
| |
| <p>Some of these language bindings are maintained via <a |
| href="http://www.swig.org/">SWIG</a>, a tool that partially automates |
| the process of generating bindings, while others are maintained by |
| hand. Many of the bindings do not have complete coverage yet, or have |
| interface problems where they do have coverage. So even though |
| they're used in many production systems, there's still plenty of work |
| to do. Specifically:</p> |
| |
| <ul> |
| |
| <li><p>The <a |
| href="http://svn.collab.net/repos/svn/trunk/subversion/bindings/swig/python/" |
| >SWIG/Python bindings</a> are in pretty good shape, but their coverage |
| is not yet complete. Help is welcome.</p></li> |
| |
| <li><p>The <a |
| href="http://svn.collab.net/repos/svn/trunk/subversion/bindings/swig/ruby/" |
| >SWIG/Ruby bindings</a> were just started, and could use a lot of |
| help.</p></li> |
| |
| <li><p>Our <a |
| href="http://svn.collab.net/repos/svn/trunk/subversion/bindings/java/javahl/" |
| >Java</a> and <a |
| href="http://svn.collab.net/repos/svn/trunk/subversion/bindings/swig/perl/" |
| >SWIG/Perl</a> bindings are in pretty good shape, but maybe there are |
| other languages you'd like to call Subversion APIs from? Lisp/Scheme? |
| Feel free to start a new bindings project, if you don't see what you |
| need here.</p></li> |
| |
| </ul> |
| |
| </div> |
| |
| <!-- ============================================================= --> |
| <div class="h2" id="all-issues" title="all-issues"> |
| <h2>All Open Issues</h2> |
| |
| <p>You want to see the complete list of open bugs, in all its glory? |
| Don't say we didn't <a |
| href="http://subversion.tigris.org/issues/buglist.cgi?component=subversion&issue_status=UNCONFIRMED&issue_status=NEW&issue_status=STARTED&issue_status=REOPENED&order=issues.target_milestone%2C%20issues.priority%2C%20issues.issue_type">warn you...</a></p> |
| |
| </div> |
| |
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