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[wiki:howto <- Back to the HOWTO section]

= How to run MacPorts from the subversion trunk =

 * Audience: Anyone who wants to test the latest features or not wait for an official release
 * Requires: Subversion (easy with 10.5, tricky with 10.4 since that creates a circular dependency)

== Introduction ==

There are times when some may want to run MacPorts from a version newer than the current stable release.  Maybe there's a new feature that you'd like to use, or it fixes an issue you've encountered, or you just like to be on the cutting edge.  This explains how to run completely from trunk, using only subversion to keep MacPorts up to date.

== Installation ==

=== Step 1: '''Checkout MacPorts trunk''' ===

Pick a location to store MacPorts; for this HOWTO /opt/mports will be used (change to suit); run
{{{
cd /opt/mports
svn co http://svn.macports.org/repository/macports/trunk
}}}
which will create /opt/mports/trunk containing everything needed for MacPorts.

=== Step 2: '''Build and Install MacPorts''' ===

Build and install MacPorts with:
{{{
cd /opt/mports/trunk/base
./configure
make
sudo make install
make distclean
}}}
This will configure, build, and install MacPorts to the standard /opt/local location.

== Configuration ==

=== Step 3: '''Configure MacPorts to use port information from subversion''' ===

Open /opt/local/etc/macports/sources.conf in a text editor.  Change the last line which should look like
{{{
rsync://rsync.macports.org/release/ports/
}}}
to point to the stuff you already checked out:
{{{
file:///opt/mports/trunk/dports
}}}

Now MacPorts will look in the subversion checkout for port information.

=== Step 4: '''Update PATH''' ===

Edit your .profile (or .tshrc, or whatever is appropriate for you) to put {{{/opt/local/bin}}} in your PATH (and don't forget, if using bash, to export PATH too).  Whether you put this at the beginning or end of the PATH is your choice.

== Keeping Up to Date ==

=== '''Subersion update''' ===

The official release of MacPorts has two commands {{{sync}}} and {{{selfupdate}}} to update all the port information ({{{sync}}}) and to update the base MacPorts installation when necessary ({{{selfupdate}}}).  Instead of using these, update the subversion files:
{{{
cd /opt/mports/trunk
svn update
}}}
does what {{{port sync}}} would do.  You do need to update the base install manually however, when and/or if needed, with the same commands listed in step 2 above.

== Using MacPorts ==
At this point, most things should work like they do for anyone else; you will encounter some newer functionality that hasn't found its way to a release yet, and occasionally a bug.  If so, be sure to [http://trac.macports.org/newticket report the bug] when it happens.

[wiki:howto <- Back to the HOWTO section]


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