test of the split command

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

  $ cat >> $HGRCPATH <<EOF

  > [defaults]

  > amend=-d "0 0"

  > fold=-d "0 0"

  > split=-d "0 0"

  > amend=-d "0 0"

  > [web]

  > push_ssl = false

  > allow_push = *

  > [phases]

  > publish = False

  > [diff]

  > git = 1

  > unified = 0

  > [ui]

  > interactive = true

  > [extensions]

  > hgext.graphlog=

  > EOF

  $ mkcommit() {

  >    echo "$1" > "$1"

  >    hg add "$1"

  >    hg ci -m "add $1"

  > }

Basic case, split a head

  $ hg init testsplit

  $ cd testsplit

  $ mkcommit _a

  $ mkcommit _b

  $ mkcommit _c

  $ mkcommit _d

  $ echo "change to a" >> _a

  $ hg amend

  $ hg debugobsolete

  9e84a109b8eb081ad754681ee4b1380d17a3741f aa8f656bb307022172d2648be6fb65322f801225 0 (*) {'user': 'test'} (glob)

  f002b57772d7f09b180c407213ae16d92996a988 0 {9e84a109b8eb081ad754681ee4b1380d17a3741f} (*) {'user': 'test'} (glob)

To create commits with the number of split

  $ echo 0 > num

  $ cat > editor.sh << '__EOF__'

  > NUM=$(cat num)

  > NUM=`expr "$NUM" + 1`

  > echo "$NUM" > num

  > echo "split$NUM" > "$1"

  > __EOF__

  $ export HGEDITOR="\"sh\" \"editor.sh\""

  $ hg split << EOF

  > y

  > y

  > y

  > n

  > N

  > y

  > y

  > EOF

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

  reverting _a

  adding _d

  diff --git a/_a b/_a

  1 hunks, 1 lines changed

  examine changes to '_a'? [Ynesfdaq?] y

  @@ -1,0 +2,1 @@

  +change to a

  record change 1/2 to '_a'? [Ynesfdaq?] y

  diff --git a/_d b/_d

  new file mode 100644

  examine changes to '_d'? [Ynesfdaq?] y

  @@ -0,0 +1,1 @@

  +_d

  record change 2/2 to '_d'? [Ynesfdaq?] n

  created new head

  Done splitting? [yN] N

  diff --git a/_d b/_d

  new file mode 100644

  examine changes to '_d'? [Ynesfdaq?] y

  @@ -0,0 +1,1 @@

  +_d

  record this change to '_d'? [Ynesfdaq?] y

  no more change to split

  $ hg debugobsolete

  9e84a109b8eb081ad754681ee4b1380d17a3741f aa8f656bb307022172d2648be6fb65322f801225 0 (*) {'user': 'test'} (glob)

  f002b57772d7f09b180c407213ae16d92996a988 0 {9e84a109b8eb081ad754681ee4b1380d17a3741f} (*) {'user': 'test'} (glob)

  aa8f656bb307022172d2648be6fb65322f801225 a98b35e86cae589b61892127c5ec1c868e41d910 5410a2352fa3114883327beee89e3085eefac25c 0 (*) {'user': 'test'} (glob)

  $ hg glog

  @  changeset:   7:5410a2352fa3

  |  tag:         tip

  |  user:        test

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

  |  summary:     split2

  |

  o  changeset:   6:a98b35e86cae

  |  parent:      2:102002290587

  |  user:        test

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

  |  summary:     split1

  |

  o  changeset:   2:102002290587

  |  user:        test

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

  |  summary:     add _c

  |

  o  changeset:   1:37445b16603b

  |  user:        test

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

  |  summary:     add _b

  |

  o  changeset:   0:135f39f4bd78

     user:        test

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

     summary:     add _a

Cannot split a commit with uncommitted changes

  $ hg up "desc(_c)"

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

  $ echo "_cd" > _c

  $ hg split 

  abort: uncommitted changes

  [255]

Split a revision specified with -r

  $ hg up "desc(_c)" -C

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

  $ echo "change to b" >> _b

  $ hg amend -m "_cprim"

  2 new unstable changesets

  $ hg evolve --all

  move:[6] split1

  atop:[9] _cprim

  move:[7] split2

  atop:[10] split1

  working directory is now at * (glob)

  $ hg log -r "desc(_cprim)" -v -p

  changeset:   9:719157b217ac

  parent:      1:37445b16603b

  user:        test

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

  files:       _b _c

  description:

  _cprim

  diff --git a/_b b/_b

  --- a/_b

  +++ b/_b

  @@ -1,0 +2,1 @@

  +change to b

  diff --git a/_c b/_c

  new file mode 100644

  --- /dev/null

  +++ b/_c

  @@ -0,0 +1,1 @@

  +_c

  $ hg split -r "desc(_cprim)" <<EOF

  > y

  > y

  > y

  > n

  > y

  > EOF

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

  reverting _b

  adding _c

  diff --git a/_b b/_b

  1 hunks, 1 lines changed

  examine changes to '_b'? [Ynesfdaq?] y

  @@ -1,0 +2,1 @@

  +change to b

  record change 1/2 to '_b'? [Ynesfdaq?] y

  diff --git a/_c b/_c

  new file mode 100644

  examine changes to '_c'? [Ynesfdaq?] y

  @@ -0,0 +1,1 @@

  +_c

  record change 2/2 to '_c'? [Ynesfdaq?] n

  created new head

  Done splitting? [yN] y

Stop before splitting the commit completely creates a commit with all the

remaining changes

  $ hg debugobsolete

  9e84a109b8eb081ad754681ee4b1380d17a3741f aa8f656bb307022172d2648be6fb65322f801225 0 (*) {'user': 'test'} (glob)

  f002b57772d7f09b180c407213ae16d92996a988 0 {9e84a109b8eb081ad754681ee4b1380d17a3741f} (*) {'user': 'test'} (glob)

  aa8f656bb307022172d2648be6fb65322f801225 a98b35e86cae589b61892127c5ec1c868e41d910 5410a2352fa3114883327beee89e3085eefac25c 0 (*) {'user': 'test'} (glob)

  10200229058723ce8d67f6612c1f6b4f73b1fe73 719157b217acc43d397369a448824ed4c7a302f2 0 (*) {'user': 'test'} (glob)

  5d0c8b0f2d3e5e1ff95f93d7da2ba06650605ab5 0 {10200229058723ce8d67f6612c1f6b4f73b1fe73} (*) {'user': 'test'} (glob)

  a98b35e86cae589b61892127c5ec1c868e41d910 286887947725085e03455d79649197feaef1eb9d 0 (*) {'user': 'test'} (glob)

  5410a2352fa3114883327beee89e3085eefac25c 0b67cee46a7f2ad664f994027e7af95b36ae25fe 0 (*) {'user': 'test'} (glob)

  719157b217acc43d397369a448824ed4c7a302f2 ced8fbcce3a7cd33f0e454d2cd63882ce1b6006b 73309fb98db840ba4ec5ad528346dc6ee0b39dcb 0 (*) {'user': 'test'} (glob)

  $ hg evolve --all

  move:[10] split1

  atop:[13] split4

  move:[11] split2

  atop:[14] split1

  working directory is now at f200e612ac86

  $ hg glog

  @  changeset:   15:f200e612ac86

  |  tag:         tip

  |  user:        test

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

  |  summary:     split2

  |

  o  changeset:   14:aec57822a8ff

  |  user:        test

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

  |  summary:     split1

  |

  o  changeset:   13:73309fb98db8

  |  user:        test

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

  |  summary:     split4

  |

  o  changeset:   12:ced8fbcce3a7

  |  parent:      1:37445b16603b

  |  user:        test

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

  |  summary:     split3

  |

  o  changeset:   1:37445b16603b

  |  user:        test

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

  |  summary:     add _b

  |

  o  changeset:   0:135f39f4bd78

     user:        test

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

     summary:     add _a

Split should move bookmarks on the last split successor and preserve the

active bookmark as active

  $ hg book bookA

  $ hg book bookB

  $ echo "changetofilea" > _a

  $ hg amend

  $ hg book

     bookA                     17:39d16b69c75d

   * bookB                     17:39d16b69c75d

  $ hg glog -r "14::"

  @  changeset:   17:39d16b69c75d

  |  bookmark:    bookA

  |  bookmark:    bookB

  |  tag:         tip

  |  parent:      14:aec57822a8ff

  |  user:        test

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

  |  summary:     split2

  |

  o  changeset:   14:aec57822a8ff

  |  user:        test

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

     summary:     split1

  $ hg split <<EOF

  > y

  > y

  > n

  > y

  > EOF

  (leaving bookmark bookB)

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

  reverting _a

  adding _d

  diff --git a/_a b/_a

  1 hunks, 2 lines changed

  examine changes to '_a'? [Ynesfdaq?] y

  @@ -1,2 +1,1 @@

  -_a

  -change to a

  +changetofilea

  record change 1/2 to '_a'? [Ynesfdaq?] y

  diff --git a/_d b/_d

  new file mode 100644

  examine changes to '_d'? [Ynesfdaq?] n

  created new head

  Done splitting? [yN] y

  $ hg glog -r "14::"

  @  changeset:   19:a2b5c9d9b362

  |  bookmark:    bookA

  |  bookmark:    bookB

  |  tag:         tip

  |  user:        test

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

  |  summary:     split6

  |

  o  changeset:   18:bf3402785e72

  |  parent:      14:aec57822a8ff

  |  user:        test

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

  |  summary:     split5

  |

  o  changeset:   14:aec57822a8ff

  |  user:        test

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

     summary:     split1

  $ hg book

     bookA                     19:a2b5c9d9b362

   * bookB                     19:a2b5c9d9b362

Lastest revision is selected if multiple are given to -r

  $ hg split -r "desc(_a)::"

  (leaving bookmark bookB)

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

  adding _d

  diff --git a/_d b/_d

  new file mode 100644

  examine changes to '_d'? [Ynesfdaq?] abort: response expected

  [255]

Cannot split a commit that is not a head if instability is not allowed

  $ cat >> $HGRCPATH <<EOF

  > [experimental]

  > evolution=createmarkers

  > evolutioncommands=split

  > EOF

  $ hg split -r "desc(split3)"

  abort: cannot split commit: ced8fbcce3a7 not a head

  [255]

Changing evolution level to createmarkers

  $ echo "[experimental]" >> $HGRCPATH

  $ echo "evolution=createmarkers" >> $HGRCPATH

Running split without any revision operates on the parent of the working copy

  $ hg split << EOF

  > q

  > EOF

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

  adding _d

  diff --git a/_d b/_d

  new file mode 100644

  examine changes to '_d'? [Ynesfdaq?] q

  abort: user quit

  [255]

Running split with tip revision, specified as unnamed argument

  $ hg split . << EOF

  > q

  > EOF

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

  adding _d

  diff --git a/_d b/_d

  new file mode 100644

  examine changes to '_d'? [Ynesfdaq?] q

  abort: user quit

  [255]

Running split with both unnamed and named revision arguments shows an error msg

  $ hg split . --rev .^ << EOF

  > q

  > EOF