Test histedit extension: Fold commands

======================================

This test file is dedicated to testing the fold command in non conflicting

case.

Initialization

---------------

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

  $ cat >> $HGRCPATH <<EOF

  > [alias]

  > logt = log --template '{rev}:{node|short} {desc|firstline}\n'

  > [extensions]

  > histedit=

  > EOF

Simple folding

--------------------

  $ 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

  > }

  $ initrepo

log before edit

  $ hg logt --graph

  @  5:652413bf663e f

  |

  o  4:e860deea161a e

  |

  o  3:055a42cdd887 d

  |

  o  2:177f92b77385 c

  |

  o  1:d2ae7f538514 b

  |

  o  0:cb9a9f314b8b a

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

  > pick e860deea161a e

  > pick 652413bf663e f

  > fold 177f92b77385 c

  > pick 055a42cdd887 d

  > EOF

  0 files updated, 0 files merged, 4 files removed, 0 files unresolved

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

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

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

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

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

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

log after edit

  $ hg logt --graph

  @  4:9c277da72c9b d

  |

  o  3:6de59d13424a f

  |

  o  2:ee283cb5f2d5 e

  |

  o  1:d2ae7f538514 b

  |

  o  0:cb9a9f314b8b a

post-fold manifest

  $ hg manifest

  a

  b

  c

  d

  e

  f

check histedit_source

  $ hg log --debug --rev 3

  changeset:   3:6de59d13424a8a13acd3e975514aed29dd0d9b2d

  phase:       draft

  parent:      2:ee283cb5f2d5955443f23a27b697a04339e9a39a

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    3:81eede616954057198ead0b2c73b41d1f392829a

  user:        test

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

  files+:      c f

  extra:       branch=default

  extra:       histedit_source=a4f7421b80f79fcc59fff01bcbf4a53d127dd6d3,177f92b773850b59254aa5e923436f921b55483b

  description:

  f

  ***

  c

rollup will fold without preserving the folded commit's message

  $ OLDHGEDITOR=$HGEDITOR

  $ HGEDITOR=false

  $ hg histedit d2ae7f538514 --commands - 2>&1 <<EOF | fixbundle

  > pick d2ae7f538514 b

  > roll ee283cb5f2d5 e

  > pick 6de59d13424a f

  > pick 9c277da72c9b d

  > EOF

  0 files updated, 0 files merged, 4 files removed, 0 files unresolved

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

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

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

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

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

  $ HGEDITOR=$OLDHGEDITOR

log after edit

  $ hg logt --graph

  @  3:c4a9eb7989fc d

  |

  o  2:8e03a72b6f83 f

  |

  o  1:391ee782c689 b

  |

  o  0:cb9a9f314b8b a

description is taken from rollup target commit

  $ hg log --debug --rev 1

  changeset:   1:391ee782c68930be438ccf4c6a403daedbfbffa5

  phase:       draft

  parent:      0:cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    1:b5e112a3a8354e269b1524729f0918662d847c38

  user:        test

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

  files+:      b e

  extra:       branch=default

  extra:       histedit_source=d2ae7f538514cd87c17547b0de4cea71fe1af9fb,ee283cb5f2d5955443f23a27b697a04339e9a39a

  description:

  b

check saving last-message.txt

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

  > from mercurial import util

  > def abortfolding(ui, repo, hooktype, **kwargs):

  >     ctx = repo[kwargs.get('node')]

  >     if set(ctx.files()) == set(['c', 'd', 'f']):

  >         return True # abort folding commit only

  >     ui.warn('allow non-folding commit\\n')

  > EOF

  $ cat > .hg/hgrc <<EOF

  > [hooks]

  > pretxncommit.abortfolding = python:$TESTTMP/abortfolding.py:abortfolding

  > EOF

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

  > echo "==== before editing"

  > cat \$1

  > echo "===="

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

  > EOF

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

  $ hg status --rev '8e03a72b6f83^1::c4a9eb7989fc'

  A c

  A d

  A f

  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 8e03a72b6f83 --commands - 2>&1 <<EOF

  > pick 8e03a72b6f83 f

  > fold c4a9eb7989fc d

  > EOF

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

  adding d

  allow non-folding commit

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

  ==== before editing

  f

  ***

  c

  ***

  d

  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 c

  HG: added d

  HG: added f

  ====

  transaction abort!

  rollback completed

  abort: pretxncommit.abortfolding hook failed

  [255]

  $ cat .hg/last-message.txt

  f

  ***

  c

  ***

  d

  check saving last-message.txt

  $ cd ..

  $ rm -r r

folding preserves initial author

--------------------------------

  $ initrepo

  $ hg ci --user "someone else" --amend --quiet

tip before edit

  $ hg log --rev .

  changeset:   5:a00ad806cb55

  tag:         tip

  user:        someone else

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

  summary:     f

  $ hg histedit e860deea161a --commands - 2>&1 <<EOF | fixbundle

  > pick e860deea161a e

  > fold a00ad806cb55 f

  > EOF

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

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

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

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

tip after edit

  $ hg log --rev .

  changeset:   4:698d4e8040a1

  tag:         tip

  user:        test

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

  summary:     e

  $ cd ..

  $ rm -r r

folding and creating no new change doesn't break:

-------------------------------------------------

folded content is dropped during a merge. The folded commit should properly disappear.

  $ mkdir fold-to-empty-test

  $ cd fold-to-empty-test

  $ hg init

  $ printf "1\n2\n3\n" > file

  $ hg add file

  $ hg commit -m '1+2+3'

  $ echo 4 >> file

  $ hg commit -m '+4'

  $ echo 5 >> file

  $ hg commit -m '+5'

  $ echo 6 >> file

  $ hg commit -m '+6'

  $ hg logt --graph

  @  3:251d831eeec5 +6

  |

  o  2:888f9082bf99 +5

  |

  o  1:617f94f13c0f +4

  |

  o  0:0189ba417d34 1+2+3

  $ hg histedit 1 --commands - << EOF

  > pick 617f94f13c0f 1 +4

  > drop 888f9082bf99 2 +5

  > fold 251d831eeec5 3 +6

  > EOF

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

  merging file

  warning: conflicts while merging file! (edit, then use 'hg resolve --mark')

  Fix up the change and run hg histedit --continue

  [1]

There were conflicts, we keep P1 content. This

should effectively drop the changes from +6.

  $ hg status

  M file

  ? file.orig

  $ hg resolve -l

  U file

  $ hg revert -r 'p1()' file

  $ hg resolve --mark file

  (no more unresolved files)

  $ hg histedit --continue

  251d831eeec5: empty changeset

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

  saved backup bundle to $TESTTMP/*-backup.hg (glob)

  $ hg logt --graph

  @  1:617f94f13c0f +4

  |

  o  0:0189ba417d34 1+2+3

  $ cd ..

Test fold through dropped

-------------------------

Test corner case where folded revision is separated from its parent by a

dropped revision.

  $ hg init fold-with-dropped

  $ cd fold-with-dropped

  $ printf "1\n2\n3\n" > file

  $ hg commit -Am '1+2+3'

  adding file

  $ echo 4 >> file

  $ hg commit -m '+4'

  $ echo 5 >> file

  $ hg commit -m '+5'

  $ echo 6 >> file

  $ hg commit -m '+6'

  $ hg logt -G

  @  3:251d831eeec5 +6

  |

  o  2:888f9082bf99 +5

  |

  o  1:617f94f13c0f +4

  |

  o  0:0189ba417d34 1+2+3

  $ hg histedit 1 --commands -  << EOF

  > pick 617f94f13c0f 1 +4

  > drop 888f9082bf99 2 +5

  > fold 251d831eeec5 3 +6

  > EOF

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

  merging file

  warning: conflicts while merging file! (edit, then use 'hg resolve --mark')

  Fix up the change and run hg histedit --continue

  [1]

  $ cat > file << EOF

  > 1

  > 2

  > 3

  > 4

  > 5

  > EOF

  $ hg resolve --mark file

  (no more unresolved files)

  $ hg commit -m '+5.2'

  created new head

  $ echo 6 >> file

  $ HGEDITOR=cat hg histedit --continue

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

  +4

  ***

  +5.2

  ***

  +6

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

  HG: Leave message empty to abort commit.

  HG: --