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

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

  $ addwithdate ()

  > {

  >     echo $1 > $1

  >     hg add $1

  >     hg ci -m $1 -d "$2 0"

  > }

  $ initrepo ()

  > {

  >     hg init r

  >     cd r

  >     addwithdate a 1

  >     addwithdate b 2

  >     addwithdate c 3

  >     addwithdate d 4

  >     addwithdate e 5

  >     addwithdate f 6

  > }

  $ initrepo

log before edit

  $ hg logt --graph

  @  5:178e35e0ce73 f

  |

  o  4:1ddb6c90f2ee e

  |

  o  3:532247a8969b d

  |

  o  2:ff2c9fa2018b c

  |

  o  1:97d72e5f12c7 b

  |

  o  0:8580ff50825a a

  $ hg histedit ff2c9fa2018b --commands - 2>&1 <<EOF | fixbundle

  > pick 1ddb6c90f2ee e

  > pick 178e35e0ce73 f

  > fold ff2c9fa2018b c

  > pick 532247a8969b d

  > EOF

log after edit

  $ hg logt --graph

  @  4:c4d7f3def76d d

  |

  o  3:575228819b7e f

  |

  o  2:505a591af19e e

  |

  o  1:97d72e5f12c7 b

  |

  o  0:8580ff50825a a

post-fold manifest

  $ hg manifest

  a

  b

  c

  d

  e

  f

check histedit_source, including that it uses the later date, from the first changeset

  $ hg log --debug --rev 3

  changeset:   3:575228819b7e6ed69e8c0a6a383ee59a80db7358

  phase:       draft

  parent:      2:505a591af19eed18f560af827b9e03d2076773dc

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    3:81eede616954057198ead0b2c73b41d1f392829a

  user:        test

  date:        Thu Jan 01 00:00:06 1970 +0000

  files+:      c f

  extra:       branch=default

  extra:       histedit_source=7cad1d7030207872dfd1c3a7cb430f24f2884086,ff2c9fa2018b15fa74b33363bda9527323e2a99f

  description:

  f

  ***

  c

rollup will fold without preserving the folded commit's message or date

  $ OLDHGEDITOR=$HGEDITOR

  $ HGEDITOR=false

  $ hg histedit 97d72e5f12c7 --commands - 2>&1 <<EOF | fixbundle

  > pick 97d72e5f12c7 b

  > roll 505a591af19e e

  > pick 575228819b7e f

  > pick c4d7f3def76d d

  > EOF

  $ HGEDITOR=$OLDHGEDITOR

log after edit

  $ hg logt --graph

  @  3:bab801520cec d

  |

  o  2:58c8f2bfc151 f

  |

  o  1:5d939c56c72e b

  |

  o  0:8580ff50825a a

description is taken from rollup target commit

  $ hg log --debug --rev 1

  changeset:   1:5d939c56c72e77e29f5167696218e2131a40f5cf

  phase:       draft

  parent:      0:8580ff50825a50c8f716709acdf8de0deddcd6ab

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    1:b5e112a3a8354e269b1524729f0918662d847c38

  user:        test

  date:        Thu Jan 01 00:00:02 1970 +0000

  files+:      b e

  extra:       branch=default

  extra:       histedit_source=97d72e5f12c7e84f85064aa72e5a297142c36ed9,505a591af19eed18f560af827b9e03d2076773dc

  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()) == {b'c', b'd', b'f'}:

  >         return True # abort folding commit only

  >     ui.warn(b'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 '58c8f2bfc151^1::bab801520cec'

  A c

  A d

  A f

  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 58c8f2bfc151 --commands - 2>&1 <<EOF

  > pick 58c8f2bfc151 f

  > fold bab801520cec d

  > EOF

  allow non-folding commit

  ==== 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 but uses later date

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

  $ initrepo

  $ hg ci -d '7 0' --user "someone else" --amend --quiet

tip before edit

  $ hg log --rev .

  changeset:   5:10c36dd37515

  tag:         tip

  user:        someone else

  date:        Thu Jan 01 00:00:07 1970 +0000

  summary:     f

  $ hg --config progress.debug=1 --debug \

  > histedit 1ddb6c90f2ee --commands - 2>&1 <<EOF | \

  > egrep 'editing|unresolved'

  > pick 1ddb6c90f2ee e

  > fold 10c36dd37515 f

  > EOF

  editing: pick 1ddb6c90f2ee 4 e 1/2 changes (50.00%)

  editing: fold 10c36dd37515 5 f 2/2 changes (100.00%)

tip after edit, which should use the later date, from the second changeset

  $ hg log --rev .

  changeset:   4:e4f3ec5d0b40

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:07 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 (fold 251d831eeec5)

  (hg histedit --continue to resume)

  [1]

There were conflicts, we keep P1 content. This

should effectively drop the changes from +6.

  $ hg status -v

  M file

  ? file.orig

  # The repository is in an unfinished *histedit* state.

  # Unresolved merge conflicts:

  # 

  #     file

  # 

  # To mark files as resolved:  hg resolve --mark FILE

  # To continue:    hg histedit --continue

  # To abort:       hg histedit --abort

  $ hg resolve -l

  U file

  $ hg revert -r 'p1()' file

  $ hg resolve --mark file

  (no more unresolved files)

  continue: hg histedit --continue

  $ hg histedit --continue

  251d831eeec5: empty changeset

  saved backup bundle to $TESTTMP/fold-to-empty-test/.hg/strip-backup/888f9082bf99-daa0b8b3-histedit.hg

  $ 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 (fold 251d831eeec5)

  (hg histedit --continue to resume)

  [1]

  $ cat > file << EOF

  > 1

  > 2

  > 3

  > 4

  > 5

  > EOF

  $ hg resolve --mark file

  (no more unresolved files)

  continue: hg histedit --continue

  $ hg commit -m '+5.2'

  created new head

  $ echo 6 >> file

  $ HGEDITOR=cat hg histedit --continue

  +4

  ***

  +5.2

  ***

  +6

  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: changed file