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[PATCH] manifest.readflags performance buglet
From: Chris Mason <mason@suse.com>
Performance buglet in manifest.readflags: only re-read the manifest
when the mapcache is not present or does not correspond to this node
manifest hash: 188ad778308a2e5c885d452d7b7e61c082e8ceb2
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merge3: fix argument order
We were passing the wrong argument order to hgmerge. Add a merge
conflict test case.
manifest hash: 2d88786a3f31dcaa9d44f564c21f0d2a4f14f09c
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rework all code using tags
Add three utility functions:
tags(): get (and possibly load) the tags mapping
tagslist(): sort tag,node by revision (aka topologically)
nodetags(): return a list of tags associated with a node (also cached)
Update all the code using tags to use these.
Simplify identify code
make unknown always visible if printed
don't ignore tip pseudo-tag
manifest hash: e6deb4d545ad465be7735f9ec43227bcb5e238c7
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hg pull: more query fixes
Pull was getting confused by single-element branches because it had
seen the top end already.
Also, the previous change to do seenbranch on the base of the branch
was bogus.
Minor cleanup and a bit more diagnostics in the branch-narrowing code.
manifest hash: 71d4dced9f74bef43d3a54d086dccd0a96d68e26
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Optimize diff and status in subdirectories
This walks the tree from the subdirectory down.
Based on a patch by Arun Sharma
manifest hash: 3a8545369b4eb6911b9d0fcdd8e4dc77784fa3d8
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Add tip to tags
This makes a tag for the current tip that always overrides what's in
the tags files.
manifest hash: b1a17d0238aa84ee30773be79e4a32dca321a0c3
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more merge fixes
Logic for getting a remote change should work going backwards and forwards
Mark all the changes in the merge that we don't get or merge so we
have the right list of files in the changeset
manifest hash: 88be742f510a2c58b276172ae538f9533f5e7491
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Make most file opening binary
This should make Windows happier
manifest hash: 4a906f7c55d8af4e962385c645852d0b3d858b42
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add tracking of execute permissions
Changes to executable permissions are now tracked. We only track one
bit here as the others tends to be problematic. "hg manifest" now
shows file permissions.
manifest hash: b76b85d12a9550fdc9fbc4f9446a812f3a2bbe88
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various merge improvements
add -C flag: force update and overwrite local changes
add -m flag: allow merges with conflicts
we no longer do merge by default
and we print a warning message when the merge fails
fix bug in printing merge failure message
fix bug diffing files in 'm' state
manifest hash: 75545a6db45d1e371082343d01c9f177df0f9db3
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merge: Fix bug where we overwrote local when local was newer
Spotted by Arun Sharma
manifest hash: b81acb971c6471d95748cd349590cc70e448dce3
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implement demand loading hack
This attempts to speed up start-up times without pushing imports down
into local scopes.
manifest hash: f9c18897e67f7872b44f5c89bdde00edfc3628ce
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unify checkout and resolve into update
This replaces checkout and resolve with a single command:
$ hg help co
hg update [node]
update or merge working directory
If there are no outstanding changes in the working directory and
there is a linear relationship between the current version and the
requested version, the result is the requested version.
Otherwise the result is a merge between the contents of the
current working directory and the requested version. Files that
changed between either parent are marked as changed for the next
commit and a commit must be performed before any further updates
are allowed.
manifest hash: 513d285d7fb775d0560de49387042a685ea062f7
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Remove invalid state from dirstate
It's no longer needed now that we backup and restore dirstate properly
manifest hash: 74c98540d685a76bd95dd7ebf4aaeff678706952
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import and startup cleanups
add commands:run()
add copyright notice to commands
eliminate/reorganize imports to speed up start time:
0.5b:
$ time bash -c 'for i in `seq 100`; do ~/bin/hg > /dev/null; done'
real 0m7.718s
user 0m6.719s
sys 0m0.794s
new:
$ time bash -c 'for i in `seq 100`; do hg > /dev/null; done'
real 0m2.171s
user 0m1.684s
sys 0m0.444s
just python:
$ time bash -c 'for i in `seq 100`; do python -c pass; done'
real 0m0.988s
user 0m0.771s
sys 0m0.207s
Ignoring the fixed cost of loading the Python interpreter, we're 5.6
times faster. With the Python load time, we're still 3.5 times faster.
manifest hash: acce5882a55c76eb165316f5741724c8ce4ef587
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migrate verify
Move the bulk of the verify code into the localrepository class and move
the command into commands.py
manifest hash: 793a8d0094d56ab0a411cd11d7fe7f39c923f209
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root relative IO and valid commit states
do all working dir manipulation relative to localrepository.root
change the valid commit states
manifest hash: def7de4dfb4cad1fd4ef6f713fa3b5c903e05c58
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Replace tkmerge with hgmerge
hgmerge attempts to find and use merge, kdiff3, tkmerge, and diff+patch.
hg will use hgmerge unless overridden with HGMERGE
manifest hash: 9137a620df4b235e66343b0fd0dba87fe631546e
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hg resolve: merge a given node into the working directory
This is the first pass at working directory-based merges. Doing a
resolve adds a second parent to the working directory state for the
next commit.
manifest hash: 827b19995dd2d7686286da3b62c7d5fe3e0bc48c
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add 'm' state to dirstates
This state indicates that a file has been merged with resolve and must
be in the next commit.
manifest hash: dc90629b73056b671f7be3de0283039c96c9ca0f
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move repo.current to dirstate.parents()
dirstate now tracks the parents for the working dir
add a parents command to show them
manifest hash: cd69237838c3f69f7937723c4a6803d47cb27cfa
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fix bad assumption about uniqueness of file versions
Mercurial had assumed that a given file hash could show up in only one
changeset, and thus that the mapping from file revision to changeset
was 1-to-1. But if two people perform the same edit with the same
parents, we can get an identical hash in different changesets.
So we've got to loosen up our uniqueness checks in addgroup and in
verify.
manifest hash: 5462003241e7d071ffa1741b87a59f646c9988ed
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Hash: SHA1
make pull work for multiple heads
add repository.heads()
teach remoterepository and hgweb about heads command
teach getchangegroup about multiple heads
break apart addchangegroup and merge (cleaning up merge saved for later)
after this change, it is now possible to pull and get multiple heads, but
not possible to merge the heads
manifest hash: 86fe3ede296254698fdd4c97df02944993ef2cbb
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Hash: SHA1
change dircache into dirstate
The dircache now tracks adds and removes directly
diffdir now makes a proper distinction between added and unknown files
Add a forget command to unadd files
Undo tries to fix up the state of just the files in the undone commit
Add and remove complain about files that are not in a proper state of
existence
manifest hash: ca0cd6abc5e119670acf11a54fefa2bc986eadf3
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merge: catch unexpected responses
This dumps the data received from the remote server in case we fail to
parse its output.
manifest hash: da5232649a0e02645bccd8b50665d9c3e247fdc2
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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.
manifest hash: bea39fa8207582c9fa7ba0904721eb5113c61cf4
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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.
manifest hash: 281e48b67ce310e355bed1615e0f16a643850f56
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Hash: SHA1
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
manifest hash: b960d9b9c6a7f6ba351c97675b00a1dd3004dcf1
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Hash: SHA1
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
manifest hash: 3eedcfe878561f9eb4adedb04f6be618fb8ae8d8
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Hash: SHA1
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.
manifest hash: eabd55841b03225176ea72b985aad36431a438a9
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=eGMq
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)
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8pBZt85SA9ty39+e2+hL9WI=
=t/xS
-----END PGP SIGNATURE-----
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.
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.
