Fossil

which is a shortcut for doing both a push and a pull at the same time.
Fossil also has the concept of "cloning".  A "clone" is like a "pull",
except that instead of beginning with an existing local repository,
a clone begins with nothing and creates a new local repository that
is a duplicate of a remote repository.</p>

<p>Communication between repositories is via HTTP.  Remote
repositories are identified by URL.  You can also point a web browser
at a repository and get human-readable status, history, and tracking
information about the project.</p>

<h3>2.1 Identification Of Artifacts</h3>

<p>A particular version of a particular file is called an "artifact".
Each artifact has a universally unique name which is the
<a href="http://en.wikipedia.org/wiki/SHA">SHA1</a> hash of the content
of that file expressed as 40 characters of lower-case hexadecimal.  Such
a hash is referred to as the Artifact Identifier or Artifact ID
for the artifact.  The SHA1 algorithm is created with the purpose of
providing a highly forgery-resistant identifier for a file.  Given any
file it is simple to find the artifact ID for that file.  But given a
artifact ID it is computationally intractable to generate a file that will
have that Artifact ID.</p>


<p>Artifact IDs look something like this:</p>

</ul>

<h2>3.0 Fossil - The Program</h2>

<p>Fossil is software.  The implementation of fossil is in the form
of a single executable named "fossil".  To install fossil on your system,
all you have to do is obtain a copy of this one executable file (either
by downloading a pre-compiled version or compiling it yourself) and then
putting that file somewhere on your PATH.</p>

<p>Fossil is completely self-contained.  It is not necessary to
install any other software in order to use fossil.  You do <u>not</u> need
CVS, gzip, diff, rsync, Python, Perl, Tcl, Java, apache, PostgreSQL, MySQL,
SQLite, patch, or any similar software on your system in order to use
fossil effectively.  You will want to have some kind of text editor

a server with fossil is ridiculously easy.  You have three options:</p>

<ol>
<li><p><b>Setting up a stand-alone server</b></p>

<p>From within your source tree just use the <b>server</b> command and
fossil will start listening for incoming requests on TCP port 8080.
You can point your web browser at <a href="http://localhost:8080/">
http://localhost:8080/</a> and begin exploring.  Or your coworkers
can do pushes or pulls against your server.  Use the <b>--port</b>
option to the server command to specify a different TCP port.  If
you do not have a local source tree, use the <b>-R</b> command-line
option to specify the repository file.</p>

<p>A stand-alone server is a great way to set of transient connections

<blockquote><pre>
#!/usr/local/bin/fossil
repository: /home/me/bigproject.fossil
</pre></blockquote>

<p>Edit this script to use whatever pathnames are appropriate for
your project.  Then point your web browser at the script and off you
go.</p></li>

<li><p><b>Setting up an inetd server</b></p>

<p>If you have inetd or xinetd running on your system, you can set
those services up to launch fossil to deal with inbound TCP/IP connections
on whatever port you want.  Set up inetd or xinetd to launch fossil