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rsync/TODO
2001-11-30 00:16:14 +00:00

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-*- indented-text -*-
URGENT ---------------------------------------------------------------
IMPORTANT ------------------------------------------------------------
Cross-test versions
Part of the regression suite should be making sure that we don't
break backwards compatibility: old clients vs new servers and so
on. Ideally we would test the cross product of versions.
It might be sufficient to test downloads from well-known public
rsync servers running different versions of rsync. This will give
some testing and also be the most common case for having different
versions and not being able to upgrade.
use chroot
If the platform doesn't support it, then don't even try.
If running as non-root, then don't fail, just give a warning.
(There was a thread about this a while ago?)
http://lists.samba.org/pipermail/rsync/2001-August/thread.html
http://lists.samba.org/pipermail/rsync/2001-September/thread.html
--files-from
Avoids traversal. Better option than a pile of --include statements
for people who want to generate the file list using a find(1)
command or a script.
Performance
Traverse just one directory at a time. Tridge says it's possible.
Can possibly also be smarter about memory use while looking for hard
links by reducing the refcount as we find alternative names.
IPv6
Define a syntax for IPv6 literal addresses. Since they include
colons, they tend to break most naming systems, including ours.
Based on the HTTP IPv6 syntax, I think we should use
rsync://[::1]/foo/bar
[::1]::bar
which should just take a small change to the parser code.
Errors
If we hang or get SIGINT, then explain where we were up to. Perhaps
have a static buffer that contains the current function name, or
some kind of description of what we were trying to do. This is a
little easier on people than needing to run strace/truss.
"The dungeon collapses! You are killed." Rather than "unexpected
eof" give a message that is more detailed if possible and also more
helpful.
PLATFORMS ------------------------------------------------------------
Win32
Don't detach, because this messes up --srvany.
http://sources.redhat.com/ml/cygwin/2001-08/msg00234.html
According to "Effective TCP/IP Programming" (??) close() on a socket
has incorrect behaviour on Windows -- it sends a RST packet to the
other side, which gives a "connection reset by peer" error. On that
platform we should probably do shutdown() instead. However, on Unix
we are correct to call close(), because shutdown() discards
untransmitted data.
BUILD FARM -----------------------------------------------------------
Add machines
AMDAHL UTS (Dave Dykstra)
Cygwin (on different versions of Win32?)
HP-UX variants (via HP?)
SCO
NICE -----------------------------------------------------------------
--no-detach and --no-fork options
Very useful for debugging. Also good when running under a
daemon-monitoring process that tries to restart the service when the
parent exits.
hang/timeout friendliness
On
internationalization
Change to using gettext(). Probably need to ship this for platforms
that don't have it.
Solicit translations.
Does anyone care?
rsyncsh
Write a small emulation of interactive ftp as a Pythonn program
that calls rsync. Commands such as "cd", "ls", "ls *.c" etc map
fairly directly into rsync commands: it just needs to remember the
current host, directory and so on. We can probably even do
completion of remote filenames.