comparison tests/test-evolve-phase-divergence.t @ 3626:760210aa0d78

tests: add tests of content+parent change creating phase-divergence

This patch adds tests which shows handling of phase divergence cases by `hg
evolve` command which involved content+parent change. The conflicts case is not
handled and will be fixed in upcoming patches.

3625:7e253bbac9a1

  diff -r 502e73736632 -r 2352021b3785 x
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/x	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +x

3626:760210aa0d78

  diff -r 502e73736632 -r 2352021b3785 x
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/x	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +x

Creating divergence with parent and content change both but not resulting in
conflicts
-----------------------------------------------------------------------------

Alice is tired of pushing and pulling and will create phase-divergence locally

  $ hg glog
  @  9:2352021b3785 added x to x
  |   (bm) public
  o  8:502e73736632 phase-divergent update to b756eb10ea73:
  |   () public
  o  6:b756eb10ea73 added bar to bar
  |   () public
  o  5:3d62500c673d phase-divergent update to aa071e5554e3:
  |   () public
  o  3:aa071e5554e3 added foo to foo
  |   () public
  o  1:4d1169d82e47 modify a
  |   () public
  o  0:d3873e73d99e init
      () public

  $ echo y > y
  $ echo foobar >> foo
  $ hg add y
  $ hg ci -m "y to y and foobar to foo"
  $ hg rebase -r . -d .^^^
  rebasing 12:dc88f5aa9bc9 "y to y and foobar to foo" (tip)

  $ echo foo > y
  $ hg amend

Alice making the old changeset public to have content-divergence

  $ hg phase -r dc88f5aa9bc9 --public --hidden
  1 new phase-divergent changesets
  $ hg glog
  @  14:13015a180eee y to y and foobar to foo
  |   () draft
  | o  12:dc88f5aa9bc9 y to y and foobar to foo
  | |   () public
  | o  9:2352021b3785 added x to x
  | |   (bm) public
  | o  8:502e73736632 phase-divergent update to b756eb10ea73:
  |/    () public
  o  6:b756eb10ea73 added bar to bar
  |   () public
  o  5:3d62500c673d phase-divergent update to aa071e5554e3:
  |   () public
  o  3:aa071e5554e3 added foo to foo
  |   () public
  o  1:4d1169d82e47 modify a
  |   () public
  o  0:d3873e73d99e init
      () public

  $ hg obslog -r .
  @  13015a180eee (14) y to y and foobar to foo
  |
  x  211ab84d1689 (13) y to y and foobar to foo
  |    rewritten(content) as 13015a180eee using amend by test (Thu Jan 01 00:00:00 1970 +0000)
  |
  o  dc88f5aa9bc9 (12) y to y and foobar to foo
       rewritten(parent) as 211ab84d1689 using rebase by test (Thu Jan 01 00:00:00 1970 +0000)
  
Resolving divergence using `hg evolve`
-------------------------------------

  $ hg evolve --phase-divergent
  recreate:[14] y to y and foobar to foo
  atop:[12] y to y and foobar to foo
  rebasing to destination parent: 2352021b3785
  computing new diff
  committed as 8c2bb6fb44e9
  working directory is now at 8c2bb6fb44e9

  $ hg exp
  # HG changeset patch
  # User test
  # Date 0 0
  #      Thu Jan 01 00:00:00 1970 +0000
  # Node ID 8c2bb6fb44e9443c64b3a2a3d061272c8e25e6ce
  # Parent  dc88f5aa9bc90a6418899d267d9524205dfb429b
  phase-divergent update to dc88f5aa9bc9:
  
  y to y and foobar to foo
  
  diff -r dc88f5aa9bc9 -r 8c2bb6fb44e9 y
  --- a/y	Thu Jan 01 00:00:00 1970 +0000
  +++ b/y	Thu Jan 01 00:00:00 1970 +0000
  @@ -1,1 +1,1 @@
  -y
  +foo

  $ hg glog
  @  16:8c2bb6fb44e9 phase-divergent update to dc88f5aa9bc9:
  |   () draft
  o  12:dc88f5aa9bc9 y to y and foobar to foo
  |   () public
  o  9:2352021b3785 added x to x
  |   (bm) public
  o  8:502e73736632 phase-divergent update to b756eb10ea73:
  |   () public
  o  6:b756eb10ea73 added bar to bar
  |   () public
  o  5:3d62500c673d phase-divergent update to aa071e5554e3:
  |   () public
  o  3:aa071e5554e3 added foo to foo
  |   () public
  o  1:4d1169d82e47 modify a
  |   () public
  o  0:d3873e73d99e init
      () public

Creating divergence with parent and content change both which results in
conflicts while rebasing on parent
-----------------------------------------------------------------------------

  $ echo l > l
  $ hg ci -Aqm "added l to l"
  $ hg rebase -r . -d .^^^^
  rebasing 17:f3794e5a91dc "added l to l" (tip)
  $ echo kl > l
  $ echo foo > x
  $ hg add x
  $ hg amend

  $ hg obslog -r .
  @  5fd38c0de46e (19) added l to l
  |
  x  2bfd56949cf0 (18) added l to l
  |    rewritten(content) as 5fd38c0de46e using amend by test (Thu Jan 01 00:00:00 1970 +0000)
  |
  x  f3794e5a91dc (17) added l to l
       rewritten(parent) as 2bfd56949cf0 using rebase by test (Thu Jan 01 00:00:00 1970 +0000)
  

  $ hg phase -r f3794e5a91dc --public --hidden
  1 new phase-divergent changesets

Resolution using `hg evolve --phase-divergent`
----------------------------------------------

  $ hg evolve --phase-divergent
  recreate:[19] added l to l
  atop:[17] added l to l
  rebasing to destination parent: 8c2bb6fb44e9
  merging x
  warning: conflicts while merging x! (edit, then use 'hg resolve --mark')
  evolution failed!
  fix conflict and run 'hg evolve --continue'
  abort: unresolved merge conflicts (see hg help resolve)
  [255]

  $ hg diff
  diff -r 8c2bb6fb44e9 l
  --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
  +++ b/l	Thu Jan 01 00:00:00 1970 +0000
  @@ -0,0 +1,1 @@
  +kl
  diff -r 8c2bb6fb44e9 x
  --- a/x	Thu Jan 01 00:00:00 1970 +0000
  +++ b/x	Thu Jan 01 00:00:00 1970 +0000
  @@ -1,1 +1,5 @@
  +<<<<<<< destination: 8c2bb6fb44e9 - test: phase-divergent update to dc88f5aa9...
   x
  +=======
  +foo
  +>>>>>>> evolving:    5fd38c0de46e - test: added l to l

  $ echo foo > x

XXX: we should suggest graft --continue here
  $ hg resolve -m
  (no more unresolved files)
  continue: hg graft --continue

XXX: we should handle this correctly here
  $ hg evolve --continue
  abort: no interrupted evolve to continue
  [255]