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

  $ cat >> $HGRCPATH <<EOF

  > [extensions]

  > histedit=

  > strip=

  > mockmakedate = $TESTDIR/mockmakedate.py

  > EOF

  $ initrepo ()

  > {

  >     hg init r

  >     cd r

  >     for x in a b c d e f g; do

  >         echo $x > $x

  >         hg add $x

  >         hg ci -m $x

  >     done

  > }

  $ initrepo

log before edit

  $ hg log --graph

  @  changeset:   6:3c6a8ed2ebe8

  |  tag:         tip

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     g

  |

  o  changeset:   5:652413bf663e

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     f

  |

  o  changeset:   4:e860deea161a

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     e

  |

  o  changeset:   3:055a42cdd887

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     d

  |

  o  changeset:   2:177f92b77385

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     c

  |

  o  changeset:   1:d2ae7f538514

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     b

  |

  o  changeset:   0:cb9a9f314b8b

     user:        test

     date:        Thu Jan 01 00:00:00 1970 +0000

     summary:     a

dirty a file

  $ echo a > g

  $ hg histedit 177f92b77385 --commands - 2>&1 << EOF

  > EOF

  abort: uncommitted changes

  [20]

  $ echo g > g

edit the history

  $ hg histedit 177f92b77385 --commands - 2>&1 << EOF| fixbundle

  > pick 177f92b77385 c

  > pick 055a42cdd887 d

  > edit e860deea161a e

  > pick 652413bf663e f

  > pick 3c6a8ed2ebe8 g

  > EOF

  0 files updated, 0 files merged, 3 files removed, 0 files unresolved

  Editing (e860deea161a), commit as needed now to split the change

  (to edit e860deea161a, `hg histedit --continue` after making changes)

try to update and get an error

  $ hg update tip

  abort: histedit in progress

  (use 'hg histedit --continue' or 'hg histedit --abort')

  [20]

edit the plan via the editor

  $ cat >> $TESTTMP/editplan.sh <<EOF

  > cat > \$1 <<EOF2

  > drop e860deea161a e

  > drop 652413bf663e f

  > drop 3c6a8ed2ebe8 g

  > EOF2

  > EOF

  $ HGEDITOR="sh $TESTTMP/editplan.sh" hg histedit --edit-plan

  $ cat .hg/histedit-state

  v1

  055a42cdd88768532f9cf79daa407fc8d138de9b

  3c6a8ed2ebe862cc949d2caa30775dd6f16fb799

  False

  3

  drop

  e860deea161a2f77de56603b340ebbb4536308ae

  drop

  652413bf663ef2a641cab26574e46d5f5a64a55a

  drop

  3c6a8ed2ebe862cc949d2caa30775dd6f16fb799

  0

  strip-backup/177f92b77385-0ebe6a8f-histedit.hg

edit the plan via --commands

  $ hg histedit --edit-plan --commands - 2>&1 << EOF

  > edit e860deea161a e

  > pick 652413bf663e f

  > drop 3c6a8ed2ebe8 g

  > EOF

  $ cat .hg/histedit-state

  v1

  055a42cdd88768532f9cf79daa407fc8d138de9b

  3c6a8ed2ebe862cc949d2caa30775dd6f16fb799

  False

  3

  edit

  e860deea161a2f77de56603b340ebbb4536308ae

  pick

  652413bf663ef2a641cab26574e46d5f5a64a55a

  drop

  3c6a8ed2ebe862cc949d2caa30775dd6f16fb799

  0

  strip-backup/177f92b77385-0ebe6a8f-histedit.hg

Go at a random point and try to continue

  $ hg id -n

  3+

  $ hg up 0

  abort: histedit in progress

  (use 'hg histedit --continue' or 'hg histedit --abort')

  [20]

Try to delete necessary commit

  $ hg strip -r 652413b

  abort: histedit in progress, can't strip 652413bf663e

  [255]

commit, then edit the revision

  $ hg ci -m 'wat'

  created new head

  $ echo a > e

qnew should fail while we're in the middle of the edit step

  $ hg --config extensions.mq= qnew please-fail

  abort: histedit in progress

  (use 'hg histedit --continue' or 'hg histedit --abort')

  [20]

  $ HGEDITOR='echo foobaz > ' hg histedit --continue 2>&1 | fixbundle

  $ hg log --graph

  @  changeset:   6:b5f70786f9b0

  |  tag:         tip

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     f

  |

  o  changeset:   5:a5e1ba2f7afb

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     foobaz

  |

  o  changeset:   4:1a60820cd1f6

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     wat

  |

  o  changeset:   3:055a42cdd887

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     d

  |

  o  changeset:   2:177f92b77385

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     c

  |

  o  changeset:   1:d2ae7f538514

  |  user:        test

  |  date:        Thu Jan 01 00:00:00 1970 +0000

  |  summary:     b

  |

  o  changeset:   0:cb9a9f314b8b

     user:        test

     date:        Thu Jan 01 00:00:00 1970 +0000

     summary:     a

  $ hg cat e

  a

Stripping necessary commits should not break --abort

  $ hg histedit 1a60820cd1f6 --commands - 2>&1 << EOF| fixbundle

  > edit 1a60820cd1f6 wat

  > pick a5e1ba2f7afb foobaz

  > pick b5f70786f9b0 g

  > EOF

  0 files updated, 0 files merged, 2 files removed, 0 files unresolved

  Editing (1a60820cd1f6), commit as needed now to split the change

  (to edit 1a60820cd1f6, `hg histedit --continue` after making changes)

  $ mv .hg/histedit-state .hg/histedit-state.bak

  $ hg strip -q -r b5f70786f9b0

  $ mv .hg/histedit-state.bak .hg/histedit-state

  $ hg histedit --abort

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 1 changes to 3 files

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg log -r .

  changeset:   6:b5f70786f9b0

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     f

check histedit_source

  $ hg log --debug --rev 5

  changeset:   5:a5e1ba2f7afb899ef1581cea528fd885d2fca70d

  phase:       draft

  parent:      4:1a60820cd1f6004a362aa622ebc47d59bc48eb34

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    5:5ad3be8791f39117565557781f5464363b918a45

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  files:       e

  extra:       branch=default

  extra:       histedit_source=e860deea161a2f77de56603b340ebbb4536308ae

  description:

  foobaz

  $ hg histedit tip --commands - 2>&1 <<EOF| fixbundle

  > edit b5f70786f9b0 f

  > EOF

  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  Editing (b5f70786f9b0), commit as needed now to split the change

  (to edit b5f70786f9b0, `hg histedit --continue` after making changes)

  $ hg status

  A f

  $ hg summary

  parent: 5:a5e1ba2f7afb 

   foobaz

  branch: default

  commit: 1 added (new branch head)

  update: 1 new changesets (update)

  phases: 7 draft

  hist:   1 remaining (histedit --continue)

(test also that editor is invoked if histedit is continued for

"edit" action)

  $ HGEDITOR='cat' hg histedit --continue

  f

  HG: Enter commit message.  Lines beginning with 'HG:' are removed.

  HG: Leave message empty to abort commit.

  HG: --

  HG: user: test

  HG: branch 'default'

  HG: added f

  saved backup bundle to $TESTTMP/r/.hg/strip-backup/b5f70786f9b0-c28d9c86-histedit.hg

  $ hg status

log after edit

  $ hg log --limit 1

  changeset:   6:a107ee126658

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     f

say we'll change the message, but don't.

  $ cat > ../edit.sh <<EOF

  > cat "\$1" | sed s/pick/mess/ > tmp

  > mv tmp "\$1"

  > EOF

  $ HGEDITOR="sh ../edit.sh" hg histedit tip 2>&1 | fixbundle

  $ hg status

  $ hg log --limit 1

  changeset:   6:1fd3b2fe7754

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     f

modify the message

check saving last-message.txt, at first

  $ cat > $TESTTMP/commitfailure.py <<EOF

  > from mercurial import error

  > def reposetup(ui, repo):

  >     class commitfailure(repo.__class__):

  >         def commit(self, *args, **kwargs):

  >             raise error.Abort(b'emulating unexpected abort')

  >     repo.__class__ = commitfailure

  > EOF

  $ cat >> .hg/hgrc <<EOF

  > [extensions]

  > # this failure occurs before editor invocation

  > commitfailure = $TESTTMP/commitfailure.py

  > EOF

  $ cat > $TESTTMP/editor.sh <<EOF

  > echo "==== before editing"

  > cat \$1

  > echo "===="

  > echo "check saving last-message.txt" >> \$1

  > EOF

(test that editor is not invoked before transaction starting)

  $ rm -f .hg/last-message.txt

  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit tip --commands - 2>&1 << EOF | fixbundle

  > mess 1fd3b2fe7754 f

  > EOF

  abort: emulating unexpected abort

  $ test -f .hg/last-message.txt

  [1]

  $ cat >> .hg/hgrc <<EOF

  > [extensions]

  > commitfailure = !

  > EOF

  $ hg histedit --abort -q

(test that editor is invoked and commit message is saved into

"last-message.txt")

  $ cat >> .hg/hgrc <<EOF

  > [hooks]

  > # this failure occurs after editor invocation

  > pretxncommit.unexpectedabort = false

  > EOF

  $ hg status --rev '1fd3b2fe7754^1' --rev 1fd3b2fe7754

  A f

  $ rm -f .hg/last-message.txt

  $ mkdir dir

  $ cd dir

  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit tip --commands - 2>&1 << EOF

  > mess 1fd3b2fe7754 f

  > EOF

  ==== before editing

  f

  HG: Enter commit message.  Lines beginning with 'HG:' are removed.

  HG: Leave message empty to abort commit.

  HG: --

  HG: user: test

  HG: branch 'default'

  HG: added f