#chg-compatible

  $ . "$TESTDIR/histedit-helpers.sh"

  $ enable histedit

  $ initrepo ()
  > {
  >     hg init r
  >     cd r
  >     for x in a b c d e f ; do
  >         echo $x > $x
  >         hg add $x
  >         hg ci -m $x
  >     done
  >     echo a >> e
  >     hg ci -m 'does not commute with e'
  >     cd ..
  > }

  $ initrepo
  $ cd r

log before edit
  $ hg log --graph
  @  commit:      bfa474341cc9
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     does not commute with e
  │
  o  commit:      652413bf663e
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     f
  │
  o  commit:      e860deea161a
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     e
  │
  o  commit:      055a42cdd887
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     d
  │
  o  commit:      177f92b77385
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     c
  │
  o  commit:      d2ae7f538514
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     b
  │
  o  commit:      cb9a9f314b8b
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     a
  

edit the history
  $ hg histedit 177f92b77385 --commands - 2>&1 <<EOF | fixbundle
  > pick 177f92b77385 c
  > pick 055a42cdd887 d
  > pick bfa474341cc9 does not commute with e
  > pick e860deea161a e
  > pick 652413bf663e f
  > EOF
  merging e
  warning: 1 conflicts while merging e! (edit, then use 'hg resolve --mark')
  Fix up the change (pick e860deea161a)
  (hg histedit --continue to resume)

insert unsupported advisory merge record
  $ hg --config extensions.fakemergerecord=$TESTDIR/fakemergerecord.py fakemergerecord -x
  $ hg debugmergestate
  * version 2 records
  local: 8f7551c7e4a2f2efe0bc8c741baf7f227d65d758
  other: e860deea161a2f77de56603b340ebbb4536308ae
  labels:
    local: local
    other: histedit
  unrecognized entry: x	advisory record
  file extras: e (ancestorlinknode = 0000000000000000000000000000000000000000)
  file: e (record type "F", state "u", hash 58e6b3a414a1e090dfc6029add0f3555ccba127f)
    local path: e (flags "")
    ancestor path: e (node null)
    other path: e (node 6b67ccefd5ce6de77e7ead4f5292843a0255329f)
  $ hg resolve -l
  U e

insert unsupported mandatory merge record
  $ hg --config extensions.fakemergerecord=$TESTDIR/fakemergerecord.py fakemergerecord -X
  $ hg debugmergestate
  * version 2 records
  local: 8f7551c7e4a2f2efe0bc8c741baf7f227d65d758
  other: e860deea161a2f77de56603b340ebbb4536308ae
  labels:
    local: local
    other: histedit
  file extras: e (ancestorlinknode = 0000000000000000000000000000000000000000)
  file: e (record type "F", state "u", hash 58e6b3a414a1e090dfc6029add0f3555ccba127f)
    local path: e (flags "")
    ancestor path: e (node null)
    other path: e (node 6b67ccefd5ce6de77e7ead4f5292843a0255329f)
  unrecognized entry: X	mandatory record
  $ hg resolve -l
  abort: unsupported merge state records: X
  (see https://mercurial-scm.org/wiki/MergeStateRecords for more information)
  [255]
  $ hg resolve -ma
  abort: unsupported merge state records: X
  (see https://mercurial-scm.org/wiki/MergeStateRecords for more information)
  [255]

abort the edit (should clear out merge state)
  $ hg histedit --abort 2>&1 | fixbundle
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg debugmergestate
  no merge state found

log after abort
  $ hg resolve -l
  $ hg log --graph
  @  commit:      bfa474341cc9
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     does not commute with e
  │
  o  commit:      652413bf663e
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     f
  │
  o  commit:      e860deea161a
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     e
  │
  o  commit:      055a42cdd887
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     d
  │
  o  commit:      177f92b77385
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     c
  │
  o  commit:      d2ae7f538514
  │  user:        test
  │  date:        Thu Jan 01 00:00:00 1970 +0000
  │  summary:     b
  │
  o  commit:      cb9a9f314b8b
     user:        test
     date:        Thu Jan 01 00:00:00 1970 +0000
     summary:     a
  

  $ cd ..