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tests/test-fold.t
author Martin von Zweigbergk <martinvonz@google.com>
Mon, 11 Mar 2019 23:57:12 -0700
changeset 4500 cfcb7eedc666
parent 4340 5300be965515
child 4362 8bd60e09dfb4
child 4723 41885988921e
permissions -rw-r--r--
evolve: use merge.update() for resolving phase divergence Iterating over the manifest when tree manifests and narrowness is in play produces entries for paths outside the narrowspec that represent trees. For example, if the tests/ directory of the hg repo was not in the narrowspec (and the hg repo was using tree manifests, which it doesn't), then there would be a "tests/" entry in the manifest. The merge code deals with some of these cases. For example, it's valid to do a merge if only the local side changes directories outside the narrowspec. That allows rebasing a local commit onto a public commit that had changes to the excluded paths to work. However, _resolvephasedivergent() was iterating of the manifests, which resulted in crashes for some of our users when they tried to resolve phase-divergent commits (actually content-divergent commits that became phase-divergent after the intermediate rebase). We can fix that by relying on merge.update(), since that already handles this case.

  $ . $TESTDIR/testlib/common.sh

setup

  $ cat >> $HGRCPATH <<EOF
  > [defaults]
  > fold=-d "0 0"
  > [extensions]
  > evolve=
  > [ui]
  > logtemplate = '{rev} - {node|short} {desc|firstline} [{author}] ({phase}) {bookmarks}\n'
  > EOF

  $ hg init fold-tests
  $ cd fold-tests/
  $ hg debugbuilddag .+3:branchpoint+4*branchpoint+2
  $ hg up 'desc("r7")'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bookmark bm1
  $ hg log -G
  o  10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
  |
  o  9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
  |
  o  8 - abf57d94268b r8 [debugbuilddag] (draft)
  |
  | @  7 - 4de32a90b66c r7 [debugbuilddag] (draft) bm1
  | |
  | o  6 - f69452c5b1af r6 [debugbuilddag] (draft)
  | |
  | o  5 - c8d03c1b5e94 r5 [debugbuilddag] (draft)
  | |
  | o  4 - bebd167eb94d r4 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (draft)
  

Test various error case

  $ hg fold --exact null::
  abort: cannot fold the null revision
  (no changeset checked out)
  [255]
  $ hg fold
  abort: no revisions specified
  [255]
  $ hg fold --from
  abort: no revisions specified
  [255]
  $ hg fold .
  abort: must specify either --from or --exact
  [255]
  $ hg fold --from . --exact
  abort: cannot use both --from and --exact
  [255]
  $ hg fold --from .
  single revision specified, nothing to fold
  [1]
  $ hg fold '0::(7+10)' --exact
  abort: cannot fold non-linear revisions (multiple heads given)
  [255]
  $ hg fold -r 4 -r 6 --exact
  abort: cannot fold non-linear revisions (multiple roots given)
  [255]
  $ hg fold --from 10 1
  abort: cannot fold non-linear revisions
  (given revisions are unrelated to parent of working directory)
  [255]
  $ hg fold --exact -r "4 and not 4"
  abort: specified revisions evaluate to an empty set
  (use different revision arguments)
  [255]
  $ hg phase --public 0
  $ hg fold --from -r 0
  abort: cannot fold public changesets: 1ea73414a91b
  (see 'hg help phases' for details)
  [255]

Test actual folding

  $ hg fold --from -r 'desc("r5")'
  3 changesets folded
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

Checking whether the bookmarks are moved or not

  $ hg log -G
  @  11 - 198b5c405d01 r5 [debugbuilddag] (draft) bm1
  |
  | o  10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
  | |
  | o  9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
  | |
  | o  8 - abf57d94268b r8 [debugbuilddag] (draft)
  | |
  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
  
(test inherited from test-evolve.t)

  $ hg fold --from 6 # want to run hg fold 6
  abort: hidden revision '6' was rewritten as: 198b5c405d01!
  (use --hidden to access hidden revisions)
  [255]

  $ hg log -G
  @  11 - 198b5c405d01 r5 [debugbuilddag] (draft) bm1
  |
  | o  10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
  | |
  | o  9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
  | |
  | o  8 - abf57d94268b r8 [debugbuilddag] (draft)
  | |
  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
  

test fold --exact

  $ hg fold --exact 'desc("r8") + desc("r10")'
  abort: cannot fold non-linear revisions (multiple roots given)
  [255]
  $ hg fold --exact 'desc("r8")::desc("r10")'
  3 changesets folded
  $ hg log -G
  o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
  |
  | @  11 - 198b5c405d01 r5 [debugbuilddag] (draft) bm1
  | |
  | o  4 - bebd167eb94d r4 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
  

Test allow unstable

  $ echo a > a
  $ hg add a
  $ hg commit '-m r11'
  $ hg up '.^'
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  (leaving bookmark bm1)
  $ hg log -G
  o  13 - 14d0e0da8e91 r11 [test] (draft) bm1
  |
  | o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
  | |
  @ |  11 - 198b5c405d01 r5 [debugbuilddag] (draft)
  | |
  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
  

  $ cat << EOF >> .hg/hgrc
  > [experimental]
  > evolution = createmarkers, allnewcommands
  > EOF
  $ hg fold --from 'desc("r4")'
  abort: fold will orphan 1 descendants
  (see 'hg help evolution.instability')
  [255]
  $ hg fold --from 'desc("r3")::desc("r11")'
  abort: fold will orphan 1 descendants
  (see 'hg help evolution.instability')
  [255]

test --user variant

  $ cat << EOF >> .hg/hgrc
  > [experimental]
  > evolution = createmarkers, allnewcommands
  > EOF
  $ cat << EOF >> .hg/hgrc
  > [experimental]
  > evolution = all
  > EOF

  $ hg fold --exact 'desc("r5") + desc("r11")' --user 'Victor Rataxes <victor@rhino.savannah>'
  2 changesets folded
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg log -G
  @  14 - 29b470a33594 r5 [Victor Rataxes <victor@rhino.savannah>] (draft) bm1
  |
  | o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
  | |
  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
  

  $ hg fold --from 'desc("r4")' -U
  2 changesets folded
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg log -G
  @  15 - 91880abed0f2 r4 [test] (draft) bm1
  |
  | o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
  |/
  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
  |
  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
  |
  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
  |
  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
  
Test order of proposed commit message

  $ hg fold --exact --hidden -r 4 -r 5 -r 6
  2 new content-divergent changesets
  3 changesets folded
  $ hg log -r tip -T '{desc}'
  r4
  
  
  r5
  
  
  r6 (no-eol)
  $ hg fold --exact --hidden -r 6 -r 4 -r 5
  3 changesets folded
  $ hg log -r tip -T '{desc}'
  r4
  
  
  r5
  
  
  r6 (no-eol)

  $ cd ..
evolve