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TODO.dan
========
This is my personal TODO list. No guarantees if it is out of date and things no
longer apply. If you want to help out with any of it, send me an email.
Documentation- look into moving man page format to a more portable source
format to make translation easier to keep up-to-date (something like txt2tags,
docbook, asciidoc) This will need some research.
Port the libdownload (libfetch) manpage from BSD style to Linux style, or at
very least change references to BSD.
Pacman 3.1:
===========
Updated cache cleaning functionality in pacman - keep installed version, choose
number to keep, etc. Good python script in the forums that we should try to
emulate, perhaps.
Downgrade feature - allow users to see cached packages and downgrade to
(previous or any?) available options.
Extreme similarity between some of the sync and add code...we have to be able
to abstract more away from sync actions and add actions to just 'actions'
(example: sync,c, add.c, and deptest.c all contain a switch on PM_DEP_MOD_*).
Merge update, add, and sync code when possible, so we reduce duplication.
Review progress /transaction event subsystem. (from TODO)
Add Doxygen comments to every function in libalpm including private functions.
Ensure functions are doing exactly their purpose and nothing more. Find
functions that perform duplicate behavior and merge them. Combine and refactor
others. Delete unnecessary functions. Stop keeping everything clustered in
little add/sync/remove parts, allow transactions to share code.
Go through options list. Decide if namings are good, all options are still
relevant, etc. Ideas for -Re (#6273), changing meaning of -c (has two meanings,
another FS bug), etc. Remove the -A flag and possibly -D, -T, and -Y (-Y is
killed now in favor of vercmp binary) if they can be done by other actions.
Possible switch of -U --> -I (#5571).
Rewrite _alpm_sortbydeps to use Topological Sort. Should work using a standard
topo sort algorithm, once the crazy types can be fixed up a bit. Include a
cycle check - print a big error message if this happens.
-- http://en.wikipedia.org/wiki/Topological_sort
-- http://everything2.com/?node_id=556079
Review display and logging functions. There seems to be an abundance of them.
Make it extensible to use color, review what verbose/debug means. Perhaps
separate logging functionality- Pacman has its normal log, and alpm backend
keeps a very simple log file - listing only adds (including syncs) and removes.
This way a consistency list can be kept of what is currently installed and what
isn't, without all the logging junk from the front end.
If we stick with autotools, add more defines to configure.in, including
CACHEDIR, PKGEXT, so these can be specified at configure time for ease of use
by other distributions which may want to change the defaults. Also, review what
needs to be in config.h and what does not. There may be excess #depends which
are hard coded into the sources. (from TODO.autoconf)
Profile the code. Find the functions that are being called a lot, and see what
can be done about it. Find out if all these calls are necessary (e.g. excessive
alpm_list_count calls), and maybe think about changing data structures to speed
operations up (e.g. a 'count' field). NOTE: already found two huge issues with
quick profiling- excessive setlocale calls, and extremely excessive strcmp
calls.
Localize the date display done in --info output. Also, fix other localized
issues- use non-printf when necessary, make sure all two line printed messages
(especially usage instructions) are printed using one print statement.
Rewrite makepkg to use terminal-safe coloring/bolding. tput utility should
allow us to do this.
Other ideas:
============
unsigned int vs. unsigned- determine a standard and stick with it
Possibly split utilities/extras from pacman package
FS #4185 - move where message is logged, perhaps?
ideas mentioned here- http://bbs.archlinux.org/viewtopic.php?id=29450- add a
.install message about mirrors, maybe comment whole file, encourage rankmirrors
usage
Update copyrights (2007)
Update pacman website, and add/finish pacman coding style page
Make .indent.pro file for GNU indent (started, but didn't finish)
Pacman 3 packaging - perhaps include pacman2.static in case something goes
terribly wrong, which I hope it won't
autogen.sh / autoclean.sh - these seem messy. Can we clean this up?
Refine makepkg error codes. Each kind of failure could have its own code:
--package already built
--failed integ checks
--failed build
--etc.
Add utility function to either frontend or backend to convert sizes: e.g. bytes
to KB, MB, GB.
Revamp the downloadprog function a bit. Seems kind of messy.
Add localized pkgdesc variables to makepkg.
Fix inconsistency of args- _alpm_db_read, _alpm_db_write
--print-uri option to sync should not require saying yes or no to up to date
Resurrect test scripts, and add ones as needed. Testing by scripts > testing by
hand.
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