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inotify: server: new data structure to keep track of changes....
inotify: server: new data structure to keep track of changes. == Rationale for the new structure == Current structure was a dictionary tree. One directory was tracked as a dictionary: - keys: file/subdir name - values: - for a file, the status (a/r/m/...) - for a subdir, the directory representing the subdir It allowed efficient lookups, no matter of the type of the terminal leaf: for part in path.split('/'): tree = tree[part] However, there is no way to represent a directory and a file with the same name because keys are conflicting in the dictionary. Concrete example: Initial state: root dir |- foo (file) |- bar (file) # data state is: {'foo': 'n', 'bar': 'n'} Remove foo: root dir |- bar (file) # Data becomes {'foo': 'r'} until next commit. Add foo, as a directory, and foo/barbar file: root dir |- bar (file) |-> foo (dir) |- barbar (file) # New state should be represented as: {'foo': {'barbar': 'a'}, 'bar': 'n'} however, the key "foo" is already used and represents the old file. The dirstate: D foo A foo/barbar cannot be represented, hence the need for a new structure. == The new structure == 'directory' class. Represents one directory level. * Notable attributes: Two dictionaries: - 'files' Maps filename -> status for the current dir. - 'dirs' Maps subdir's name -> directory object representing the subdir * methods - walk(), formerly server.walk - lookup(), old server.lookup - dir(), old server.dir This new class allows embedding all the tree walks/lookups in its own class, instead of having everything mixed together in server. Incidently, since files and directories are not stored in the same dictionaries, we are solving the previous key conflict problem. The small drawback is that lookup operation is a bit more complex: for a path a/b/c/d/e we have to check twice the leaf, if e is a directory or a file.
Patrick Mezard - - Load All Authors

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r8811:8b35b087 default
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test-transplant.out
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Brendan Cully
Add transplant extension
 r3714 adding r1
adding r2
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding b1
Dirkjan Ochtman
warn about new heads on commit (issue842)
 r6336 created new head
Brendan Cully
Add transplant extension
 r3714 adding b2
adding b3
4 b3
3 b2
2 0:17ab29e464c6 b1
1 r2
0 r1
Adrian Buehlmann
clone: print "updating working directory" status message...
 r6338 updating working directory
Brendan Cully
Add transplant extension
 r3714 4 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files updated, 0 files merged, 3 files removed, 0 files unresolved
% rebase b onto r1
applying 37a1297eb21b
37a1297eb21b transplanted to e234d668f844
applying 722f4667af76
722f4667af76 transplanted to 539f377d78df
applying a53251cdf717
a53251cdf717 transplanted to ffd6818a3975
7 b3
6 b2
5 1:d11e3596cc1a b1
4 b3
3 b2
2 0:17ab29e464c6 b1
1 r2
0 r1
Adrian Buehlmann
clone: print "updating working directory" status message...
 r6338 updating working directory
Brendan Cully
Add transplant extension
 r3714 4 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files updated, 0 files merged, 3 files removed, 0 files unresolved
% rebase b onto r1, skipping b2
applying 37a1297eb21b
37a1297eb21b transplanted to e234d668f844
applying a53251cdf717
a53251cdf717 transplanted to 7275fda4d04f
6 b3
5 1:d11e3596cc1a b1
4 b3
3 b2
2 0:17ab29e464c6 b1
1 r2
0 r1
% remote transplant
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
Adrian Buehlmann
clone: print "updating working directory" status message...
 r6338 updating working directory
Brendan Cully
Add transplant extension
 r3714 2 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
applying 37a1297eb21b
37a1297eb21b transplanted to c19cf0ccb069
applying a53251cdf717
a53251cdf717 transplanted to f7fe5bf98525
3 b3
(transplanted from a53251cdf717679d1907b289f991534be05c997a)
2 b1
(transplanted from 37a1297eb21b3ef5c5d2ffac22121a0988ed9f21)
1 r2
0 r1
% skip previous transplants
searching for changes
applying 722f4667af76
722f4667af76 transplanted to 47156cd86c0b
4 b2
3 b3
(transplanted from a53251cdf717679d1907b289f991534be05c997a)
2 b1
(transplanted from 37a1297eb21b3ef5c5d2ffac22121a0988ed9f21)
1 r2
0 r1
% skip local changes transplanted to the source
adding b4
Adrian Buehlmann
clone: print "updating working directory" status message...
 r6338 updating working directory
Brendan Cully
Add transplant extension
 r3714 4 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
applying 4333daefcb15
4333daefcb15 transplanted to 5f42c04e07cc
Brendan Cully
Make test-transplant test pull case
 r4036 % remote transplant with pull
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
Adrian Buehlmann
clone: print "updating working directory" status message...
 r6338 updating working directory
Brendan Cully
Make test-transplant test pull case
 r4036 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
searching for changes
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
applying a53251cdf717
a53251cdf717 transplanted to 8d9279348abb
2 b3
1 b1
0 r1
Brendan Cully
transplant: fix --continue; add --continue test
 r3724 % transplant --continue
adding foo
Brendan Cully
transplant: recover added/removed files after failed application
 r3726 adding toremove
adding added
removing toremove
Brendan Cully
transplant: fix --continue; add --continue test
 r3724 adding bar
Brendan Cully
transplant: recover added/removed files after failed application
 r3726 2 files updated, 0 files merged, 2 files removed, 0 files unresolved
Dirkjan Ochtman
warn about new heads on commit (issue842)
 r6336 created new head
Brendan Cully
transplant: recover added/removed files after failed application
 r3726 applying a1e30dd1b8e7
Bryan O'Sullivan
Update test output to reflect small changes in patch chattiness.
 r4901 patching file foo
Hunk #1 FAILED at 0
Martin Geisler
i18n: avoid naive plural tricks
 r6952 1 out of 1 hunks FAILED -- saving rejects to file foo.rej
Bryan O'Sullivan
Update test output to reflect small changes in patch chattiness.
 r4901 patch failed to apply
Brendan Cully
transplant: fix --continue; add --continue test
 r3724 abort: Fix up the merge and run hg transplant --continue
Benoit Boissinot
update --clean: do not unlink added files (issue575)
 r8518 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Brendan Cully
transplant: log source node when recovering too.
 r3758 applying a1e30dd1b8e7
Bryan O'Sullivan
Update test output to reflect small changes in patch chattiness.
 r4901 patching file foo
Hunk #1 FAILED at 0
Martin Geisler
i18n: avoid naive plural tricks
 r6952 1 out of 1 hunks FAILED -- saving rejects to file foo.rej
Bryan O'Sullivan
Update test output to reflect small changes in patch chattiness.
 r4901 patch failed to apply
Brendan Cully
transplant: log source node when recovering too.
 r3758 abort: Fix up the merge and run hg transplant --continue
a1e30dd1b8e7 transplanted as f1563cf27039
skipping already applied revision 1:a1e30dd1b8e7
Brendan Cully
transplant: recover added/removed files after failed application
 r3726 applying 1739ac5f6139
Brendan Cully
transplant: log source node when recovering too.
 r3758 1739ac5f6139 transplanted to d649c221319f
Brendan Cully
transplant: recover added/removed files after failed application
 r3726 applying 0282d5fbbe02
Brendan Cully
transplant: log source node when recovering too.
 r3758 0282d5fbbe02 transplanted to 77418277ccb3
Brendan Cully
transplant: recover added/removed files after failed application
 r3726 added
bar
foo
Patrick Mezard
localrepo: fix partial merge test (issue 1111)
 r6639 % test transplant merge
adding a
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
% tranplant
applying 42dc4432fd35
1:42dc4432fd35 merged at a9f4acbac129
Jacob Lee
transplant: remove the restriction that the destination be nonempty....
 r8173 % test transplant into empty repository
requesting all changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 4 changes to 4 files
% test filter
filtering
applying 17ab29e464c6
17ab29e464c6 transplanted to e9ffc54ea104
filtering
applying 37a1297eb21b
37a1297eb21b transplanted to 348b36d0b6a5
filtering
applying 722f4667af76
722f4667af76 transplanted to 0aa6979afb95
filtering
applying a53251cdf717
a53251cdf717 transplanted to 14f8512272b5
3 b3
2 b2
1 b1
0 r2
Patrick Mezard
Make mq, record and transplant honor patch.eol
 r8811 % test with a win32ext like setup (differing EOLs)
adding a
adding b
nothing changed
applying 2e849d776c17
2e849d776c17 transplanted to 589cea8ba85b
'a\r\nb\r\n'