| Commit message (Collapse) | Author | Age | Files | Lines |
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Also added ConnectionError pretty-print to ui.command_line, storage
version checking to BugDir.duplicate_bugdir(), and optional revision
argument to Storage.storage_version().
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Now commands automatically check for storage version compatibility.
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Note that it only upgrades on-disk versions, so you can't use a
non-VCS storage backend whose version isn't your command's current
storage version. See #bea/110/bd1# for reasoning. To see the on-disk
storage version, look at
.be/version
To see your command's supported storage version, look at
be --full-version
I added test_upgrade.sh to exercise the upgrade mechanism on BE's own
repository.
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duplicate_bugdir() works, but for the vcs backends, it could require
shelling out for _every_ file read. This could, and probably will, be
horribly slow. Still it works ;).
I'm not sure what a better implementation would be. The old
implementation checked out the entire earlier state into a temporary
directory
pros: single shell out, simple upgrade implementation
cons: wouldn't work well for HTTP backens
I think a good solution would run along the lines of the currently
commented out code in duplicate_bugdir(), where a
VersionedStorage.changed_since(revision)
call would give you a list of changed files. diff could work off of
that directly, without the need to generate a whole duplicate bugdir.
I'm stuck on how to handle upgrades though...
Also removed trailing whitespace from all python files.
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Well, except for going through and updating the _long_help()
strings.
$ python test.py libbe.command
succeeds for everything except Diff and Subscribe, which is expected
since I haven't fixed up libbe.diff yet.
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They don't work yet, since I still need to fix up libbe.diff and
replace BugDir.duplicate_bugdir() with something based on the new
Storage backend.
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The old
.requires_*
thing was rediculous. The new ._get_*() callbacks allow the caller
to provide a means for getting the expensive structures, which the
command can use, or not, as required. This will also make it easier
to implement the completion callbacks.
The callbacks should probably have matching .set_*() methods, to
avoid the current cache tweaking
cmd._storage = ...
etc. But that can wait for now...
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For example, in Bash
alias be-open='be status open'
If you need to set options, this won't work, but command completion
with misc/completion/be.bash should make typing out
be status open
not too painful ;).
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Running
python test.py libbe.storage.vcs
yields some EmptyCommit problems, an issue with bzr revision ids, and
some trouble with git's remove(), but nothing too critical.
On the bright side, now
./be list
Detects and uses the bzr backend :).
Onwards to moving over the remaining commands...
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We have to work around the same issue as mercurial (hg) issue 618. I
can't find a Darcs bug report for this, but it's been fixed somewhere
between 1.0.9 and 2.3.1.
Example scripts demonstrating the bug:
$ darcs=/usr/bin/darcs
$ mkdir x; cd x; $darcs init; echo a > b; $darcs add b; \
$darcs record --all --author 'x <a@b.com>' --logfile b; \
echo z>b; $darcs record --all --author 'x <a@b.com>' --logfile b; \
echo g>b; $darcs record --all --author 'x <a@b.com>' --logfile b; \
cd ..; rm -rf x > /dev/null; $darcs --version
Finished recording patch 'a'
No changes!
No changes!
1.0.9 (release)
And showing it's been fixed:
$ darcs=~/.cabal/bin/darcs
$ mkdir x; cd x; $darcs init; echo a > b; $darcs add b; \
$darcs record --all --author 'x <a@b.com>' --logfile b; \
echo z>b; $darcs record --all --author 'x <a@b.com>' --logfile b; \
echo g>b; $darcs record --all --author 'x <a@b.com>' --logfile b; \
cd ..; rm -rf x > /dev/null; $darcs --version
Finished recording patch 'a'
Finished recording patch 'z'
Finished recording patch 'g'
2.3.1 (release)
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For example, hg can't:
$ mkdir x; cd x;
x$ hg init;
x$ echo a> b; hg add b;
x$ hg commit -m 'r1';
x$ hg commit -m 'r2';
nothing changed
x$ hg log;
changeset: 0:e30558c36fca
tag: tip
user: W. Trevor King <wking@drexel.edu>
date: Sun Dec 13 19:48:47 2009 -0500
summary: hi
x$ cd ..; rm -rf x
We shouldn't need this functionality anyway ;).
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The output version strings change:
Version 1.5.4.3:
Created initial commit 217efa7: MESSAGE
Created commit acb3066: MESSAGE
Version 1.6.4.4:
[master (root-commit) c5b48cf] MESSAGE
[master 66a48c1] MESSAGE
Instead, get the full revid, and look for its beginning in the output.
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Python 2.6 doesn't mind, but 2.5 doesn't like kwargs after a *
expansion:
$ ./be list
Traceback (most recent call last):
File "./be", line 5, in <module>
import libbe.ui.command_line
File "/home/wking/src/fun/be/be.restructure/libbe/ui/command_line.py", line 63
*opt_strings, action='callback', dest=dest,
^
SyntaxError: invalid syntax
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