Hey,
I've been thinking about possible options for packaging and distributing
bundles. From my perspective it would be nice if there was a way to list
bundle dependencies in your app somewhere and have a console command to
install all of them automatically.
Presently pretty much all Bundles are available on github and can be
installed as submodules. But as more sophisticated Bundles are built
which require other Bundles to be installed in order to work git
submodules become more difficult to manage manually. Apart from git's
slow progress on integrating git submodules better, it's also a lot of
manual work to check all your bundles' manuals to find out which
dependencies they have and to install these as additional git
submodules. Dependencies might change over time, requiring you to check
for changes in bundle dependencies regularly.
With Symfony2 coming close to a stable releases it becomes more relevant
to version Bundles. A released Bundle should reference a particular
version of another Bundle, rather than a moving git branch which could
break compatability.
One option I've looked into is using pyrus the PEAR2 installer and the
PEAR2 package.xml format. The package.xml format seems suitable in
general but would need a few extensions to allow referencing VCS sources
for packages as an alternative to pear channels. Pyrus itself would need
to be adjusted to handle these. There are a few other issues with Pyrus
like the standard PEAR directory structure (/php/ path prefix for php
files) that would need to be addressed.
Now I'd love to hear what general thoughts all of you have on this
subject. Do you see any further problems with the PEAR2 package.xml? Do
you think PEAR channels are an appropriate way to distribute Symfony2
Bundles? Can you think of any alternative existing package management
tools for PHP this can be based on?
I'd also like to propose this as a discussion topic for this week's IRC
meeting.
Cheers
Nils
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