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commands: better argument processing, per-command help
This passes command line arguments as positional arguments rather than
as a list and attempt to catch exceptions if the arguments don't match up.
It also adds 'hg help [cmd]' which prints the syntax and docstring for
the given command.
manifest hash: cef3ac7076f99fce4265a5dc7acb57fb03d93270
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Beginning of new command parsing interface
This adds commands.py, with a primary interface dispatch(args)
Dispatch searches a table of known commands, handles switches, sets up
a repo object if appropriate, and dispatches the command.
It also handles KeyboardInterrupt and can handle similar exceptions in
the future.
If the command is unknown, it falls through to the current command handler.
Commands currently handled by the new scheme: help, init, and annotate
manifest hash: 134cd032c880985e3f92f82efb8b629dd862ba4c
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hg rawcommit command
From: Christopher Li <hg@chrisli.org>
This allows direct access to the commit command, primarily for
importing from other SCMs.
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hgweb: add template filters, template style maps, and raw pages
Template filters:
in templates, you can now specify a chain of filters like
#desc|firstline|escape#
#desc|escape|addbreaks#
#date|age#
to specify how you'd like raw text (or whatever) to be transformed.
Template style maps:
add ;style=foo to a URL and we'll use templates/map-foo if it exists.
Raw output:
Together, these two features make it east to implement raw
downloadable files and patches. Simply link to the same page with
style=raw and present the output as unfiltered text/plain with that
template.
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annotate: memory efficiency
Keep track of how many times a given ancestor is referenced and delete
the annotation information after it's no longer relevant. This tends
to reduce the number of cached revisions to just a couple.
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annotate: deal with merges
This rewrite of the annotate code deals with merges:
- - find all ancestors
- - sort ancestors topologically
- - for each ancestor, pairwise annotate with parents
- - keep a cache of annotations for efficiency
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hgweb: add view-only support
Turning on hgweb.viewonly prevents pulls. This is a good idea for
machines with limited CPU/bandwidth.
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Changes to network protocol
Stream changes at the delta level rather than at whole delta groups
this breaks the protocol - we now send a zero byte delta to indicate
the end of a group rather than sending the entire group length up front
Fix filename length asymmetry while we're breaking things
Fix hidden O(n^2) bug in calculating changegroup
list.append(e) is O(n), list + [element] is not
Decompress chunks on read in revlog.group()
Improve status messages
report bytes transferred
report nothing to do
Deal with /dev/null path brokenness
Remove untriggered patch assertion
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merge: short-circuit search for merge into empty repo
We should have 3 cases for merge:
- - we have no changesets
- - we have less than half the changesets
- - we have more than half the changesets
For no changesets, we can immediately tell that we need everything.
This happens when we initially branch from a remote repo, so we simply shortcircuit the search and grab everything from the root
When we're actually tracking a project, we should generally have most
of the changesets, so the current search algorithm should minimize
searching.
It should rarely occur that upstreams gets far ahead of us, in which
case, we suffer a longer search.
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Here's an example:
This is the current manifest hash:
e06d11165178d03c296ea7e7854f91e612a8d6bf
It was copied from the HG: comment lines that are added to the commit.
Then I wrote this commit message, signed it, then closed the commit.
The manifest hash is a hash of all the files in the project together
with the hashes of manifest's parents. Thus, signing the manifest hash
allows us to verify the entire state of project at the time of the
commit.
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This is more intelligent/efficient by combining neighboring inserts,
replaces and deletes. Passes test of converting kernel repo, but
doesn't appear to substantially affect compression or performance.
This ought to use package_data but that doesn't exist in Python 2.3.
So we do a hack of install_data and use glob.
This also adds templatepath() to hgweb.py which finds the templates
relative to hgweb.py's location.
The old ancestor algorithm could get fooled into returning ancestors
closer to root than it ought to. Hopefully this one, which strictly
orders its search by distance from room, will be foolproof.
If you merge with a repo that has deleted a file after editing it, hg
attempted to resolve the file. This (correctly) resulted in hg verify
errors because the resolved version didn't show up in the manifests.
This moves the manifest resolution before file resolution and decides
which files to resolve based on the (partially) resolved manifest.
After files are resolved, the final manifest is committed.
Add header, footer templates
Add null parent handling
Combine files and directories
Add parity flag for alternating line colors
Add line numbers to filerevision
- we don't attempt to compress things under 44 bytes (empirical)
- we check whether larger objects actually compress
- we tag objects to indicate their compression
NUL means uncompressed and starts with NUL
x means gzipped and starts with x (handy)
u means uncompressed, drop the u
Delete old code
Fix calculation of newer nodes on server
Fix branch recursion on client
Fix manifest merge problems
Add more debugging and note messages to merge
mercurial 0.4d had the same problems with removing files, but
attached is a patch which fixes that problem.
The key change is in dircache.remove():
del self[f] should have been del self.map[f]
This error was hidden by the 'except: pass' statement.
