view tests/test-evolve-obshistory-lots-of-splits.t @ 4722:7839720c7c75

rewind: make sure merge commits include files from p1 and p2

Otherwise rewinding a merge commit makes it lose all changes.

This fix populates `updates` argument of rewriteutil.rewrite() with parent
changesets. That argument is normally used for folding multiple changesets, but
in this case it's simply used to include files from p1 and p2. Usually,
rewrite() works fine using ctx.files(), but that function can return an empty
list when ctx is a merge commit.

This test file test the various messages when accessing obsolete
revisions.

Global setup
============

  $ . $TESTDIR/testlib/obshistory_setup.sh

Test output with lots of split commit
=====================================

Test setup
----------

  $ hg init $TESTTMP/local-lots-split
  $ cd $TESTTMP/local-lots-split
  $ mkcommit ROOT
  $ echo 42 >> a
  $ echo 43 >> b
  $ echo 44 >> c
  $ echo 45 >> d
  $ hg commit -A -m "A0"
  adding a
  adding b
  adding c
  adding d
  $ hg log --hidden -G
  @  changeset:   1:de7290d8b885
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  

  $ hg split -r 'desc(A0)' -d "0 0" << EOF
  > y
  > y
  > n
  > n
  > n
  > y
  > y
  > y
  > n
  > n
  > y
  > y
  > y
  > n
  > y
  > y
  > y
  > EOF
  0 files updated, 0 files merged, 4 files removed, 0 files unresolved
  adding a
  adding b
  adding c
  adding d
  diff --git a/a b/a
  new file mode 100644
  examine changes to 'a'?
  (enter ? for help) [Ynesfdaq?] y
  
  @@ -0,0 +1,1 @@
  +42
  record change 1/4 to 'a'?
  (enter ? for help) [Ynesfdaq?] y
  
  diff --git a/b b/b
  new file mode 100644
  examine changes to 'b'?
  (enter ? for help) [Ynesfdaq?] n
  
  diff --git a/c b/c
  new file mode 100644
  examine changes to 'c'?
  (enter ? for help) [Ynesfdaq?] n
  
  diff --git a/d b/d
  new file mode 100644
  examine changes to 'd'?
  (enter ? for help) [Ynesfdaq?] n
  
  created new head
  continue splitting? [Ycdq?] y
  diff --git a/b b/b
  new file mode 100644
  examine changes to 'b'?
  (enter ? for help) [Ynesfdaq?] y
  
  @@ -0,0 +1,1 @@
  +43
  record change 1/3 to 'b'?
  (enter ? for help) [Ynesfdaq?] y
  
  diff --git a/c b/c
  new file mode 100644
  examine changes to 'c'?
  (enter ? for help) [Ynesfdaq?] n
  
  diff --git a/d b/d
  new file mode 100644
  examine changes to 'd'?
  (enter ? for help) [Ynesfdaq?] n
  
  continue splitting? [Ycdq?] y
  diff --git a/c b/c
  new file mode 100644
  examine changes to 'c'?
  (enter ? for help) [Ynesfdaq?] y
  
  @@ -0,0 +1,1 @@
  +44
  record change 1/2 to 'c'?
  (enter ? for help) [Ynesfdaq?] y
  
  diff --git a/d b/d
  new file mode 100644
  examine changes to 'd'?
  (enter ? for help) [Ynesfdaq?] n
  
  continue splitting? [Ycdq?] y
  diff --git a/d b/d
  new file mode 100644
  examine changes to 'd'?
  (enter ? for help) [Ynesfdaq?] y
  
  @@ -0,0 +1,1 @@
  +45
  record this change to 'd'?
  (enter ? for help) [Ynesfdaq?] y
  
  no more change to split

  $ hg log --hidden -G
  @  changeset:   5:c7f044602e9b
  |  tag:         tip
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   4:1ae8bc733a14
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   3:f257fde29c7a
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  o  changeset:   2:337fec4d2edc
  |  parent:      0:ea207398892e
  |  user:        test
  |  date:        Thu Jan 01 00:00:00 1970 +0000
  |  summary:     A0
  |
  | x  changeset:   1:de7290d8b885
  |/   user:        test
  |    date:        Thu Jan 01 00:00:00 1970 +0000
  |    obsolete:    split using split as 2:337fec4d2edc, 3:f257fde29c7a, 4:1ae8bc733a14, 5:c7f044602e9b
  |    summary:     A0
  |
  o  changeset:   0:ea207398892e
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     ROOT
  
Actual test
-----------

  $ hg obslog de7290d8b885 --hidden --patch
  x  de7290d8b885 (1) A0
       rewritten(parent, content) as 1ae8bc733a14, 337fec4d2edc, c7f044602e9b, f257fde29c7a using split by test (Thu Jan 01 00:00:00 1970 +0000)
         (No patch available, too many successors (4))
  
  $ hg obslog de7290d8b885 --hidden --all --patch
  o  1ae8bc733a14 (4) A0
  |
  | o  337fec4d2edc (2) A0
  |/
  | @  c7f044602e9b (5) A0
  |/
  | o  f257fde29c7a (3) A0
  |/
  x  de7290d8b885 (1) A0
       rewritten(parent, content) as 1ae8bc733a14, 337fec4d2edc, c7f044602e9b, f257fde29c7a using split by test (Thu Jan 01 00:00:00 1970 +0000)
         (No patch available, too many successors (4))
  
  $ hg obslog de7290d8b885 --hidden --no-graph -Tjson | python -m json.tool
  [
      {
          "markers": [
              {
                  "date": [
                      *, (glob)
                      0 (glob)
                  ],
                  "effect": [
                      "parent",
                      "content"
                  ],
                  "operation": "split",
                  "succnodes": [
                      "1ae8bc733a14",
                      "337fec4d2edc",
                      "c7f044602e9b",
                      "f257fde29c7a"
                  ],
                  "user": "test",
                  "verb": "rewritten"
              }
          ],
          "node": "de7290d8b885",
          "rev": 1,
          "shortdescription": "A0"
      }
  ]
  $ hg obslog c7f044602e9b --patch
  @  c7f044602e9b (5) A0
  |
  x  de7290d8b885 (1) A0
       rewritten(parent, content) as 1ae8bc733a14, 337fec4d2edc, c7f044602e9b, f257fde29c7a using split by test (Thu Jan 01 00:00:00 1970 +0000)
         (No patch available, too many successors (4))
  
  $ hg obslog c7f044602e9b --no-graph -Tjson | python -m json.tool
  [
      {
          "markers": [],
          "node": "c7f044602e9b",
          "rev": 5,
          "shortdescription": "A0"
      },
      {
          "markers": [
              {
                  "date": [
                      *, (glob)
                      0 (glob)
                  ],
                  "effect": [
                      "parent",
                      "content"
                  ],
                  "operation": "split",
                  "succnodes": [
                      "1ae8bc733a14",
                      "337fec4d2edc",
                      "c7f044602e9b",
                      "f257fde29c7a"
                  ],
                  "user": "test",
                  "verb": "rewritten"
              }
          ],
          "node": "de7290d8b885",
          "rev": 1,
          "shortdescription": "A0"
      }
  ]
Check that debugobshistory on all heads show a coherent graph
  $ hg obslog 2::5 --patch
  o  1ae8bc733a14 (4) A0
  |
  | o  337fec4d2edc (2) A0
  |/
  | @  c7f044602e9b (5) A0
  |/
  | o  f257fde29c7a (3) A0
  |/
  x  de7290d8b885 (1) A0
       rewritten(parent, content) as 1ae8bc733a14, 337fec4d2edc, c7f044602e9b, f257fde29c7a using split by test (Thu Jan 01 00:00:00 1970 +0000)
         (No patch available, too many successors (4))
  
  $ hg obslog 5 --all --patch
  o  1ae8bc733a14 (4) A0
  |
  | o  337fec4d2edc (2) A0
  |/
  | @  c7f044602e9b (5) A0
  |/
  | o  f257fde29c7a (3) A0
  |/
  x  de7290d8b885 (1) A0
       rewritten(parent, content) as 1ae8bc733a14, 337fec4d2edc, c7f044602e9b, f257fde29c7a using split by test (Thu Jan 01 00:00:00 1970 +0000)
         (No patch available, too many successors (4))
  
  $ hg update de7290d8b885
  abort: hidden revision 'de7290d8b885' was split as: 337fec4d2edc, f257fde29c7a and 2 more!
  (use --hidden to access hidden revisions)
  [255]
  $ hg update --hidden 'min(desc(A0))'
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  updated to hidden changeset de7290d8b885
  (hidden revision 'de7290d8b885' was split as: 337fec4d2edc, f257fde29c7a and 2 more)
  working directory parent is obsolete! (de7290d8b885)
  (use 'hg evolve' to update to its tipmost successor: 337fec4d2edc, f257fde29c7a and 2 more)