tests/test-generaldelta.t
author Gregory Szorc <gregory.szorc@gmail.com>
Tue, 28 Aug 2018 15:02:48 -0700
changeset 39411 aeb551a3bb8a
parent 39083 8f83a953dddf
child 39861 db5501d93bcf
permissions -rw-r--r--
cborutil: implement sans I/O decoder The vendored CBOR package decodes by calling read(n) on an object. There are a number of disadvantages to this: * Uses blocking I/O. If sufficient data is not available, the decoder will hang until it is. * No support for partial reads. If the read(n) returns less data than requested, the decoder raises an error. * Requires the use of a file like object. If the original data is in say a buffer, we need to "cast" it to e.g. a BytesIO to appease the decoder. In addition, the vendored CBOR decoder doesn't provide flexibility that we desire. Specifically: * It buffers indefinite length bytestrings instead of streaming them. * It doesn't allow limiting the set of types that can be decoded. This property is useful when implementing a "hardened" decoder that is less susceptible to abusive input. * It doesn't provide sufficient "hook points" and introspection to institute checks around behavior. These are useful for implementing a "hardened" decoder. This all adds up to a reasonable set of justifications for writing our own decoder. So, this commit implements our own CBOR decoder. At the heart of the decoder is a function that decodes a single "item" from a buffer. This item can be a complete simple value or a special value, such as "start of array." Using this function, we can build a decoder that effectively iterates over the stream of decoded items and builds up higher-level values, such as arrays, maps, sets, and indefinite length bytestrings. And we can do this without performing I/O in the decoder itself. The core of the sans I/O decoder will probably not be used directly. Instead, it is expected that we'll build utility functions for invoking the decoder given specific input types. This will allow extreme flexibility in how data is delivered to the decoder. I'm pretty happy with the state of the decoder modulo the TODO items to track wanted features to help with a "hardened" decoder. The one thing I could be convinced to change is the handling of semantic tags. Since we only support a single semantic tag (sets), I thought it would be easier to handle them inline in decodeitem(). This is simpler now. But if we add support for other semantic tags, it will likely be easier to move semantic tag handling outside of decodeitem(). But, properly supporting semantic tags opens up a whole can of worms, as many semantic tags imply new types. I'm optimistic we won't need these in Mercurial. But who knows. I'm also pretty happy with the test coverage. Writing comprehensive tests for partial decoding did flush out a handful of bugs. One general improvement to testing would be fuzz testing for partial decoding. I may implement that later. I also anticipate switching the wire protocol code to this new decoder will flush out any lingering bugs. Differential Revision: https://phab.mercurial-scm.org/D4414
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#require no-reposimplestore
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Check whether size of generaldelta revlog is not bigger than its
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regular equivalent. Test would fail if generaldelta was naive
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implementation of parentdelta: third manifest revision would be fully
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inserted due to big distance from its paren revision (zero).
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  $ hg init repo --config format.generaldelta=no --config format.usegeneraldelta=no
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  $ cd repo
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  $ echo foo > foo
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  $ echo bar > bar
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  $ echo baz > baz
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  $ hg commit -q -Am boo
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  $ hg clone --pull . ../gdrepo -q --config format.generaldelta=yes
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  $ for r in 1 2 3; do
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  >   echo $r > foo
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  >   hg commit -q -m $r
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  >   hg up -q -r 0
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  >   hg pull . -q -r $r -R ../gdrepo
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  > done
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  $ cd ..
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  >>> from __future__ import print_function
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  >>> import os
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  >>> regsize = os.stat("repo/.hg/store/00manifest.i").st_size
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  >>> gdsize = os.stat("gdrepo/.hg/store/00manifest.i").st_size
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  >>> if regsize < gdsize:
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  ...     print('generaldata increased size of manifest')
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Verify rev reordering doesnt create invalid bundles (issue4462)
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This requires a commit tree that when pulled will reorder manifest revs such
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that the second manifest to create a file rev will be ordered before the first
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manifest to create that file rev. We also need to do a partial pull to ensure
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reordering happens. At the end we verify the linkrev points at the earliest
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commit.
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  $ hg init server --config format.generaldelta=True
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  $ cd server
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  $ touch a
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  $ hg commit -Aqm a
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  $ echo x > x
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  $ echo y > y
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  $ hg commit -Aqm xy
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  $ hg up -q '.^'
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  $ echo x > x
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  $ echo z > z
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  $ hg commit -Aqm xz
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  $ hg up -q 1
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  $ echo b > b
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  $ hg commit -Aqm b
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  $ hg merge -q 2
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  $ hg commit -Aqm merge
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  $ echo c > c
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  $ hg commit -Aqm c
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  $ hg log -G -T '{rev} {shortest(node)} {desc}'
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  @  5 ebb8 c
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  |
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  o    4 baf7 merge
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  |\
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  | o  3 a129 b
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  | |
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  o |  2 958c xz
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  | o  1 f00c xy
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  |/
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  o  0 3903 a
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  $ cd ..
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  $ hg init client --config format.generaldelta=false --config format.usegeneraldelta=false
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  $ cd client
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  $ hg pull -q ../server -r 4
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  $ hg debugdeltachain x
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      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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        0       1        1       -1    base          3          2          3   1.50000         3         0    0.00000
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  $ cd ..
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Test "usegeneraldelta" config
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(repo are general delta, but incoming bundle are not re-deltafied)
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delta coming from the server base delta server are not recompressed.
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(also include the aggressive version for comparison)
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  $ hg clone repo --pull --config format.usegeneraldelta=1 usegd
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  requesting all changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 4 changesets with 6 changes to 3 files (+2 heads)
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  new changesets 0ea3fcf9d01d:bba78d330d9c
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  updating to branch default
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  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ hg clone repo --pull --config format.generaldelta=1 full
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  requesting all changes
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  adding changesets
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  adding manifests
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  adding file changes
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  new changesets 0ea3fcf9d01d:bba78d330d9c
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  updating to branch default
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  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ hg -R repo debugdeltachain -m
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      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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        0       1        1       -1    base        104        135        104   0.77037       104         0    0.00000
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        1       1        2        0    prev         57        135        161   1.19259       161         0    0.00000
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        2       1        3        1    prev         57        135        218   1.61481       218         0    0.00000
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        3       2        1       -1    base        104        135        104   0.77037       104         0    0.00000
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  $ hg -R usegd debugdeltachain -m
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      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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        0       1        1       -1    base        104        135        104   0.77037       104         0    0.00000
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        1       1        2        0      p1         57        135        161   1.19259       161         0    0.00000
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        2       1        3        1    prev         57        135        218   1.61481       218         0    0.00000
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        3       1        2        0      p1         57        135        161   1.19259       275       114    0.70807
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  $ hg -R full debugdeltachain -m
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      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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        0       1        1       -1    base        104        135        104   0.77037       104         0    0.00000
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        1       1        2        0      p1         57        135        161   1.19259       161         0    0.00000
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        2       1        2        0      p1         57        135        161   1.19259       218        57    0.35404
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   119
        3       1        2        0      p1         57        135        161   1.19259       275       114    0.70807
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   120
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   121
Test revlog.optimize-delta-parent-choice
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   122
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   123
  $ hg init --config format.generaldelta=1 aggressive
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  $ cd aggressive
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  $ cat << EOF >> .hg/hgrc
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   126
  > [format]
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  > generaldelta = 1
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   128
  > EOF
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   129
  $ touch a b c d e
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   130
  $ hg commit -Aqm side1
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   131
  $ hg up -q null
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   132
  $ touch x y
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   133
  $ hg commit -Aqm side2
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   134
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   135
- Verify non-aggressive merge uses p1 (commit 1) as delta parent
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   136
  $ hg merge -q 0
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   137
  $ hg commit -q -m merge
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   138
  $ hg debugdeltachain -m
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   139
      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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   140
        0       1        1       -1    base         59        215         59   0.27442        59         0    0.00000
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   141
        1       1        2        0    prev         61         86        120   1.39535       120         0    0.00000
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   142
        2       1        2        0      p2         62        301        121   0.40199       182        61    0.50413
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   143
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   144
  $ hg strip -q -r . --config extensions.strip=
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   145
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   146
- Verify aggressive merge uses p2 (commit 0) as delta parent
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   147
  $ hg up -q -C 1
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   148
  $ hg merge -q 0
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   149
  $ hg commit -q -m merge --config storage.revlog.optimize-delta-parent-choice=yes
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   150
  $ hg debugdeltachain -m
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   151
      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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        0       1        1       -1    base         59        215         59   0.27442        59         0    0.00000
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        1       1        2        0    prev         61         86        120   1.39535       120         0    0.00000
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        2       1        2        0      p2         62        301        121   0.40199       182        61    0.50413
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   155
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   156
Test that strip bundle use bundle2
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   157
  $ hg --config extensions.strip= strip .
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   158
  0 files updated, 0 files merged, 5 files removed, 0 files unresolved
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   159
  saved backup bundle to $TESTTMP/aggressive/.hg/strip-backup/1c5d4dc9a8b8-6c68e60c-backup.hg
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   160
  $ hg debugbundle .hg/strip-backup/*
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   161
  Stream params: {Compression: BZ}
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   162
  changegroup -- {nbchanges: 1, version: 02} (mandatory: True)
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   163
      1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9
37842
326b174c6a47 bundle2: mark the bundle2 part as advisory (issue5872)
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   164
  cache:rev-branch-cache -- {} (mandatory: False)
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   165
  phase-heads -- {} (mandatory: True)
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   166
      1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 draft
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   167
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   168
  $ cd ..
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   169
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   170
test maxdeltachainspan
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   171
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   172
  $ hg init source-repo
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   173
  $ cd source-repo
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   174
  $ hg debugbuilddag --new-file '.+5:brancha$.+11:branchb$.+30:branchc<brancha+2<branchb+2'
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   175
# add an empty revision somewhere
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   176
  $ hg up tip
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   177
  14 files updated, 0 files merged, 0 files removed, 0 files unresolved
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   178
  $ hg rm .
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   179
  removing nf10
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   180
  removing nf11
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   181
  removing nf12
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   182
  removing nf13
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   183
  removing nf14
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   184
  removing nf15
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   185
  removing nf16
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   186
  removing nf17
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   187
  removing nf51
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   188
  removing nf52
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   189
  removing nf6
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   190
  removing nf7
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   191
  removing nf8
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   192
  removing nf9
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   193
  $ hg commit -m 'empty all'
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   194
  $ hg revert --all --rev 'p1(.)'
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   195
  adding nf10
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   196
  adding nf11
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   197
  adding nf12
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   198
  adding nf13
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diff changeset
   199
  adding nf14
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   200
  adding nf15
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diff changeset
   201
  adding nf16
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diff changeset
   202
  adding nf17
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diff changeset
   203
  adding nf51
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diff changeset
   204
  adding nf52
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   205
  adding nf6
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   206
  adding nf7
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diff changeset
   207
  adding nf8
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   208
  adding nf9
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   209
  $ hg commit -m 'restore all'
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   210
  $ hg up null
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   211
  0 files updated, 0 files merged, 14 files removed, 0 files unresolved
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   212
  $ 
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   213
  $ cd ..
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   214
  $ hg -R source-repo debugdeltachain -m
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   215
      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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   216
        0       1        1       -1    base         46         45         46   1.02222        46         0    0.00000
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   217
        1       1        2        0      p1         57         90        103   1.14444       103         0    0.00000
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   218
        2       1        3        1      p1         57        135        160   1.18519       160         0    0.00000
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   219
        3       1        4        2      p1         57        180        217   1.20556       217         0    0.00000
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   220
        4       1        5        3      p1         57        225        274   1.21778       274         0    0.00000
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   221
        5       1        6        4      p1         57        270        331   1.22593       331         0    0.00000
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   222
        6       2        1       -1    base         46         45         46   1.02222        46         0    0.00000
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diff changeset
   223
        7       2        2        6      p1         57         90        103   1.14444       103         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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   224
        8       2        3        7      p1         57        135        160   1.18519       160         0    0.00000
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diff changeset
   225
        9       2        4        8      p1         57        180        217   1.20556       217         0    0.00000
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diff changeset
   226
       10       2        5        9      p1         58        226        275   1.21681       275         0    0.00000
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   227
       11       2        6       10      p1         58        272        333   1.22426       333         0    0.00000
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diff changeset
   228
       12       2        7       11      p1         58        318        391   1.22956       391         0    0.00000
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   229
       13       2        8       12      p1         58        364        449   1.23352       449         0    0.00000
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diff changeset
   230
       14       2        9       13      p1         58        410        507   1.23659       507         0    0.00000
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diff changeset
   231
       15       2       10       14      p1         58        456        565   1.23904       565         0    0.00000
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diff changeset
   232
       16       2       11       15      p1         58        502        623   1.24104       623         0    0.00000
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   233
       17       2       12       16      p1         58        548        681   1.24270       681         0    0.00000
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diff changeset
   234
       18       3        1       -1    base         47         46         47   1.02174        47         0    0.00000
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diff changeset
   235
       19       3        2       18      p1         58         92        105   1.14130       105         0    0.00000
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diff changeset
   236
       20       3        3       19      p1         58        138        163   1.18116       163         0    0.00000
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diff changeset
   237
       21       3        4       20      p1         58        184        221   1.20109       221         0    0.00000
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diff changeset
   238
       22       3        5       21      p1         58        230        279   1.21304       279         0    0.00000
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diff changeset
   239
       23       3        6       22      p1         58        276        337   1.22101       337         0    0.00000
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diff changeset
   240
       24       3        7       23      p1         58        322        395   1.22671       395         0    0.00000
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diff changeset
   241
       25       3        8       24      p1         58        368        453   1.23098       453         0    0.00000
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diff changeset
   242
       26       3        9       25      p1         58        414        511   1.23430       511         0    0.00000
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diff changeset
   243
       27       3       10       26      p1         58        460        569   1.23696       569         0    0.00000
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   244
       28       3       11       27      p1         58        506        627   1.23913       627         0    0.00000
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diff changeset
   245
       29       3       12       28      p1         58        552        685   1.24094       685         0    0.00000
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diff changeset
   246
       30       3       13       29      p1         58        598        743   1.24247       743         0    0.00000
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diff changeset
   247
       31       3       14       30      p1         58        644        801   1.24379       801         0    0.00000
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diff changeset
   248
       32       3       15       31      p1         58        690        859   1.24493       859         0    0.00000
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diff changeset
   249
       33       3       16       32      p1         58        736        917   1.24592       917         0    0.00000
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diff changeset
   250
       34       3       17       33      p1         58        782        975   1.24680       975         0    0.00000
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diff changeset
   251
       35       3       18       34      p1         58        828       1033   1.24758      1033         0    0.00000
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diff changeset
   252
       36       3       19       35      p1         58        874       1091   1.24828      1091         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   253
       37       3       20       36      p1         58        920       1149   1.24891      1149         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   254
       38       3       21       37      p1         58        966       1207   1.24948      1207         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   255
       39       3       22       38      p1         58       1012       1265   1.25000      1265         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   256
       40       3       23       39      p1         58       1058       1323   1.25047      1323         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   257
       41       3       24       40      p1         58       1104       1381   1.25091      1381         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   258
       42       3       25       41      p1         58       1150       1439   1.25130      1439         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   259
       43       3       26       42      p1         58       1196       1497   1.25167      1497         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   260
       44       3       27       43      p1         58       1242       1555   1.25201      1555         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   261
       45       3       28       44      p1         58       1288       1613   1.25233      1613         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   262
       46       3       29       45      p1         58       1334       1671   1.25262      1671         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   263
       47       3       30       46      p1         58       1380       1729   1.25290      1729         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   264
       48       3       31       47      p1         58       1426       1787   1.25316      1787         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   265
       49       4        1       -1    base        197        316        197   0.62342       197         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   266
       50       4        2       49      p1         58        362        255   0.70442       255         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   267
       51       4        3       50    prev        356        594        611   1.02862       611         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   268
       52       4        4       51      p1         58        640        669   1.04531       669         0    0.00000
38646
93313f66b69b debugdeltachain: avoid division by zero when a chain is empty
Paul Morelle <paul.morelle@octobus.net>
parents: 38602
diff changeset
   269
       53       5        1       -1    base          0          0          0   0.00000         0         0    0.00000
39083
8f83a953dddf revlog: skip over empty revision when looking for delta base
Boris Feld <boris.feld@octobus.net>
parents: 38744
diff changeset
   270
       54       6        1       -1    base        369        640        369   0.57656       369         0    0.00000
33207
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   271
  $ hg clone --pull source-repo --config experimental.maxdeltachainspan=2800 relax-chain --config format.generaldelta=yes
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
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diff changeset
   272
  requesting all changes
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diff changeset
   273
  adding changesets
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diff changeset
   274
  adding manifests
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
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diff changeset
   275
  adding file changes
38646
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diff changeset
   276
  added 55 changesets with 53 changes to 53 files (+2 heads)
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Paul Morelle <paul.morelle@octobus.net>
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diff changeset
   277
  new changesets 61246295ee1e:c930ac4a5b32
33207
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diff changeset
   278
  updating to branch default
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
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   279
  14 files updated, 0 files merged, 0 files removed, 0 files unresolved
37281
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diff changeset
   280
  $ hg -R relax-chain debugdeltachain -m
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diff changeset
   281
      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
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diff changeset
   282
        0       1        1       -1    base         46         45         46   1.02222        46         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   283
        1       1        2        0      p1         57         90        103   1.14444       103         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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diff changeset
   284
        2       1        3        1      p1         57        135        160   1.18519       160         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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parents: 36965
diff changeset
   285
        3       1        4        2      p1         57        180        217   1.20556       217         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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parents: 36965
diff changeset
   286
        4       1        5        3      p1         57        225        274   1.21778       274         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
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parents: 36965
diff changeset
   287
        5       1        6        4      p1         57        270        331   1.22593       331         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   288
        6       2        1       -1    base         46         45         46   1.02222        46         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   289
        7       2        2        6      p1         57         90        103   1.14444       103         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   290
        8       2        3        7      p1         57        135        160   1.18519       160         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   291
        9       2        4        8      p1         57        180        217   1.20556       217         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   292
       10       2        5        9      p1         58        226        275   1.21681       275         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   293
       11       2        6       10      p1         58        272        333   1.22426       333         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   294
       12       2        7       11      p1         58        318        391   1.22956       391         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   295
       13       2        8       12      p1         58        364        449   1.23352       449         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   296
       14       2        9       13      p1         58        410        507   1.23659       507         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   297
       15       2       10       14      p1         58        456        565   1.23904       565         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   298
       16       2       11       15      p1         58        502        623   1.24104       623         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   299
       17       2       12       16      p1         58        548        681   1.24270       681         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   300
       18       3        1       -1    base         47         46         47   1.02174        47         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   301
       19       3        2       18      p1         58         92        105   1.14130       105         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   302
       20       3        3       19      p1         58        138        163   1.18116       163         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   303
       21       3        4       20      p1         58        184        221   1.20109       221         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   304
       22       3        5       21      p1         58        230        279   1.21304       279         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   305
       23       3        6       22      p1         58        276        337   1.22101       337         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   306
       24       3        7       23      p1         58        322        395   1.22671       395         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   307
       25       3        8       24      p1         58        368        453   1.23098       453         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   308
       26       3        9       25      p1         58        414        511   1.23430       511         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   309
       27       3       10       26      p1         58        460        569   1.23696       569         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   310
       28       3       11       27      p1         58        506        627   1.23913       627         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   311
       29       3       12       28      p1         58        552        685   1.24094       685         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   312
       30       3       13       29      p1         58        598        743   1.24247       743         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   313
       31       3       14       30      p1         58        644        801   1.24379       801         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   314
       32       3       15       31      p1         58        690        859   1.24493       859         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   315
       33       3       16       32      p1         58        736        917   1.24592       917         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   316
       34       3       17       33      p1         58        782        975   1.24680       975         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   317
       35       3       18       34      p1         58        828       1033   1.24758      1033         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   318
       36       3       19       35      p1         58        874       1091   1.24828      1091         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   319
       37       3       20       36      p1         58        920       1149   1.24891      1149         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   320
       38       3       21       37      p1         58        966       1207   1.24948      1207         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   321
       39       3       22       38      p1         58       1012       1265   1.25000      1265         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   322
       40       3       23       39      p1         58       1058       1323   1.25047      1323         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   323
       41       3       24       40      p1         58       1104       1381   1.25091      1381         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   324
       42       3       25       41      p1         58       1150       1439   1.25130      1439         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   325
       43       3       26       42      p1         58       1196       1497   1.25167      1497         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   326
       44       3       27       43      p1         58       1242       1555   1.25201      1555         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   327
       45       3       28       44      p1         58       1288       1613   1.25233      1613         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   328
       46       3       29       45      p1         58       1334       1671   1.25262      1671         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   329
       47       3       30       46      p1         58       1380       1729   1.25290      1729         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   330
       48       3       31       47      p1         58       1426       1787   1.25316      1787         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   331
       49       4        1       -1    base        197        316        197   0.62342       197         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   332
       50       4        2       49      p1         58        362        255   0.70442       255         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   333
       51       2       13       17      p1         58        594        739   1.24411      2781      2042    2.76319
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   334
       52       5        1       -1    base        369        640        369   0.57656       369         0    0.00000
38646
93313f66b69b debugdeltachain: avoid division by zero when a chain is empty
Paul Morelle <paul.morelle@octobus.net>
parents: 38602
diff changeset
   335
       53       6        1       -1    base          0          0          0   0.00000         0         0    0.00000
39083
8f83a953dddf revlog: skip over empty revision when looking for delta base
Boris Feld <boris.feld@octobus.net>
parents: 38744
diff changeset
   336
       54       7        1       -1    base        369        640        369   0.57656       369         0    0.00000
33207
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   337
  $ hg clone --pull source-repo --config experimental.maxdeltachainspan=0 noconst-chain --config format.generaldelta=yes
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   338
  requesting all changes
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   339
  adding changesets
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   340
  adding manifests
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   341
  adding file changes
38646
93313f66b69b debugdeltachain: avoid division by zero when a chain is empty
Paul Morelle <paul.morelle@octobus.net>
parents: 38602
diff changeset
   342
  added 55 changesets with 53 changes to 53 files (+2 heads)
93313f66b69b debugdeltachain: avoid division by zero when a chain is empty
Paul Morelle <paul.morelle@octobus.net>
parents: 38602
diff changeset
   343
  new changesets 61246295ee1e:c930ac4a5b32
33207
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   344
  updating to branch default
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33032
diff changeset
   345
  14 files updated, 0 files merged, 0 files removed, 0 files unresolved
37281
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   346
  $ hg -R noconst-chain debugdeltachain -m
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   347
      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   348
        0       1        1       -1    base         46         45         46   1.02222        46         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   349
        1       1        2        0      p1         57         90        103   1.14444       103         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   350
        2       1        3        1      p1         57        135        160   1.18519       160         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   351
        3       1        4        2      p1         57        180        217   1.20556       217         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   352
        4       1        5        3      p1         57        225        274   1.21778       274         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   353
        5       1        6        4      p1         57        270        331   1.22593       331         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   354
        6       2        1       -1    base         46         45         46   1.02222        46         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   355
        7       2        2        6      p1         57         90        103   1.14444       103         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   356
        8       2        3        7      p1         57        135        160   1.18519       160         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   357
        9       2        4        8      p1         57        180        217   1.20556       217         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   358
       10       2        5        9      p1         58        226        275   1.21681       275         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   359
       11       2        6       10      p1         58        272        333   1.22426       333         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   360
       12       2        7       11      p1         58        318        391   1.22956       391         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   361
       13       2        8       12      p1         58        364        449   1.23352       449         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   362
       14       2        9       13      p1         58        410        507   1.23659       507         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   363
       15       2       10       14      p1         58        456        565   1.23904       565         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   364
       16       2       11       15      p1         58        502        623   1.24104       623         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   365
       17       2       12       16      p1         58        548        681   1.24270       681         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   366
       18       3        1       -1    base         47         46         47   1.02174        47         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   367
       19       3        2       18      p1         58         92        105   1.14130       105         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   368
       20       3        3       19      p1         58        138        163   1.18116       163         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   369
       21       3        4       20      p1         58        184        221   1.20109       221         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   370
       22       3        5       21      p1         58        230        279   1.21304       279         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   371
       23       3        6       22      p1         58        276        337   1.22101       337         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   372
       24       3        7       23      p1         58        322        395   1.22671       395         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   373
       25       3        8       24      p1         58        368        453   1.23098       453         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   374
       26       3        9       25      p1         58        414        511   1.23430       511         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   375
       27       3       10       26      p1         58        460        569   1.23696       569         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   376
       28       3       11       27      p1         58        506        627   1.23913       627         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   377
       29       3       12       28      p1         58        552        685   1.24094       685         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   378
       30       3       13       29      p1         58        598        743   1.24247       743         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   379
       31       3       14       30      p1         58        644        801   1.24379       801         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   380
       32       3       15       31      p1         58        690        859   1.24493       859         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   381
       33       3       16       32      p1         58        736        917   1.24592       917         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   382
       34       3       17       33      p1         58        782        975   1.24680       975         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   383
       35       3       18       34      p1         58        828       1033   1.24758      1033         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   384
       36       3       19       35      p1         58        874       1091   1.24828      1091         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   385
       37       3       20       36      p1         58        920       1149   1.24891      1149         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   386
       38       3       21       37      p1         58        966       1207   1.24948      1207         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   387
       39       3       22       38      p1         58       1012       1265   1.25000      1265         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   388
       40       3       23       39      p1         58       1058       1323   1.25047      1323         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   389
       41       3       24       40      p1         58       1104       1381   1.25091      1381         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   390
       42       3       25       41      p1         58       1150       1439   1.25130      1439         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   391
       43       3       26       42      p1         58       1196       1497   1.25167      1497         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   392
       44       3       27       43      p1         58       1242       1555   1.25201      1555         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   393
       45       3       28       44      p1         58       1288       1613   1.25233      1613         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   394
       46       3       29       45      p1         58       1334       1671   1.25262      1671         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   395
       47       3       30       46      p1         58       1380       1729   1.25290      1729         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   396
       48       3       31       47      p1         58       1426       1787   1.25316      1787         0    0.00000
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   397
       49       1        7        5      p1         58        316        389   1.23101      2857      2468    6.34447
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   398
       50       1        8       49      p1         58        362        447   1.23481      2915      2468    5.52125
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   399
       51       2       13       17      p1         58        594        739   1.24411      2642      1903    2.57510
806b07d7c7d6 tests: use debugdeltachain where appropriate
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36965
diff changeset
   400
       52       2       14       51      p1         58        640        797   1.24531      2700      1903    2.38770
38646
93313f66b69b debugdeltachain: avoid division by zero when a chain is empty
Paul Morelle <paul.morelle@octobus.net>
parents: 38602
diff changeset
   401
       53       4        1       -1    base          0          0          0   0.00000         0         0    0.00000
39083
8f83a953dddf revlog: skip over empty revision when looking for delta base
Boris Feld <boris.feld@octobus.net>
parents: 38744
diff changeset
   402
       54       5        1       -1    base        369        640        369   0.57656       369         0    0.00000