indefero/doc/readme-monotone.mdtext
Thomas Keller e789263068 - raise required mtn version to 0.99
- add '--key=' to the default mtn arguments in idf.php-dist
2010-08-30 12:58:52 +00:00

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# monotone implementation notes
## general
This version of indefero contains an implementation of the monotone
automation interface. It needs at least monotone version 0.99
(interface version 13.0) or newer.
To set up a new IDF project with monotone quickly, all you need to do
is to create a new monotone database with
$ mtn db init -d project.mtn
in the configured repository path `$cfg['mtn_repositories']` and
configure `$cfg['mtn_db_access']` to "local".
To have a really workable setup, this database needs an initial commit
on the configured master branch of the project. This can be done easily
with
$ mkdir tmp && touch tmp/remove_me
$ mtn import -d project.mtn -b master.branch.name \
-m "initial commit" tmp
$ rm -rf tmp
Its expected that more scripts arrive soon to automate this and other
tasks in the future for (multi)forge setups.
## current state / internals
The implementation should be fairly stable and fast, though some
information, such as individual file sizes or last change information,
won't scale well with the tree size. Its expected that the mtn
automation interface improves in this area in the future and that
these parts can then be rewritten with speed in mind.
As the idf.conf-dist explains more in detail, different access patterns
are possible to retrieve changeset data from monotone. Please refer
to the documentation there for more information.
## indefero critique:
It was not always 100% clear what some of the abstract SCM API method
wanted in return. While it helped a lot to have prior art in form of the
SVN and git implementation, the documentation of the abstract IDF_Scm
should probably still be improved.
Since branch and tag names can be of arbitrary size, it was not possible
to display them completely in the default layout. This might be a problem
in other SCMs as well, in particular for the monotone implementation I
introduced a special filter, called "IDF_Views_Source_ShortenString".
The API methods getPathInfo() and getTree() return similar VCS "objects"
which unfortunately do not have a well-defined structure - this should
probably addressed in future indefero releases.
While the returned objects from getTree() contain all the needed
information, indefero doesn't seem to use them to sort the output
f.e. alphabetically or in such a way that directories are outputted
before files. It was unclear if the SCM implementor should do this
task or not and what the admired default sorting should be.