$ cat >> $HGRCPATH <<EOF

  > [extensions]

  > convert=

  > [convert]

  > hg.saverev=False

  > EOF

  $ hg init orig

  $ cd orig

  $ echo foo > foo

  $ echo bar > bar

  $ hg ci -qAm 'add foo and bar'

  $ hg rm foo

  $ hg ci -m 'remove foo'

  $ mkdir foo

  $ echo file > foo/file

  $ hg ci -qAm 'add foo/file'

  $ hg tag some-tag

  $ hg tag -l local-tag

  $ hg log

  changeset:   3:593cbf6fb2b4

  tag:         local-tag

  tag:         tip

  user:        test

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

  summary:     Added tag some-tag for changeset ad681a868e44

  changeset:   2:ad681a868e44

  tag:         some-tag

  user:        test

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

  summary:     add foo/file

  changeset:   1:cbba8ecc03b7

  user:        test

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

  summary:     remove foo

  changeset:   0:327daa9251fa

  user:        test

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

  summary:     add foo and bar

  $ cd ..

  $ hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'

  initializing destination new repository

  scanning source...

  sorting...

  converting...

  3 add foo and bar

  2 remove foo

  1 add foo/file

  0 Added tag some-tag for changeset ad681a868e44

  $ cd new

  $ hg out ../orig

  comparing with ../orig

  searching for changes

  no changes found

  [1]

dirstate should be empty:

  $ hg debugstate

  $ hg parents -q

  $ hg up -C

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

  $ hg copy bar baz

put something in the dirstate:

  $ hg debugstate > debugstate

  $ grep baz debugstate

  a   0         -1 unset               baz

  copy: bar -> baz

add a new revision in the original repo

  $ cd ../orig

  $ echo baz > baz

  $ hg ci -qAm 'add baz'

  $ cd ..

  $ hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'

  scanning source...

  sorting...

  converting...

  0 add baz

  $ cd new

  $ hg out ../orig

  comparing with ../orig

  searching for changes

  no changes found

  [1]

dirstate should be the same (no output below):

  $ hg debugstate > new-debugstate

  $ diff debugstate new-debugstate

no copies

  $ hg up -C

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

  $ hg debugrename baz

  baz not renamed

  $ cd ..

test tag rewriting

  $ cat > filemap <<EOF

  > exclude foo

  > EOF

  $ hg convert --filemap filemap orig new-filemap 2>&1 | grep -v 'subversion python bindings could not be loaded'

  initializing destination new-filemap repository

  scanning source...

  sorting...

  converting...

  4 add foo and bar

  3 remove foo

  2 add foo/file

  1 Added tag some-tag for changeset ad681a868e44

  0 add baz

  $ cd new-filemap

  $ hg tags

  tip                                2:3c74706b1ff8

  some-tag                           0:ba8636729451

  $ cd ..

Test cases for hg-hg roundtrip

Helper

  $ glog()

  > {

  >     hg log -G --template '{rev} {node|short} "{desc}" files: {files}\n' $*

  > }

Create a tricky source repo

  $ hg init source

  $ cd source

  $ echo 0 > 0

  $ hg ci -Aqm '0: add 0'

  $ echo a > a

  $ mkdir dir

  $ echo b > dir/b

  $ hg ci -qAm '1: add a and dir/b'

  $ echo c > dir/c

  $ hg ci -qAm '2: add dir/c'

  $ hg copy a e

  $ echo b >> b

  $ hg ci -qAm '3: copy a to e, change b'

  $ hg up -qr -3

  $ echo a >> a

  $ hg ci -qAm '4: change a'

  $ hg merge

  merging a and e to e

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

  (branch merge, don't forget to commit)

  $ hg copy b dir/d

  $ hg ci -qAm '5: merge 2 and 3, copy b to dir/d'

  $ echo a >> a

  $ hg ci -qAm '6: change a'

  $ hg mani

  0

  a

  b

  dir/b

  dir/c

  dir/d

  e

  $ glog

  @  6 0613c8e59a3d "6: change a" files: a

  |

  o    5 717e9b37cdb7 "5: merge 2 and 3, copy b to dir/d" files: dir/d e

  |\

  | o  4 86a55cb968d5 "4: change a" files: a

  | |

  o |  3 0e6e235919dd "3: copy a to e, change b" files: b e

  | |

  o |  2 0394b0d5e4f7 "2: add dir/c" files: dir/c

  |/

  o  1 333546584845 "1: add a and dir/b" files: a dir/b

  |

  o  0 d1a24e2ebd23 "0: add 0" files: 0

  $ cd ..

Convert excluding rev 0 and dir/ (and thus rev2):

  $ cat << EOF > filemap

  > exclude dir

  > EOF

  $ hg convert --filemap filemap source dest --config convert.hg.revs=1::

  initializing destination dest repository

  scanning source...

  sorting...

  converting...

  5 1: add a and dir/b

  4 2: add dir/c

  3 3: copy a to e, change b

  2 4: change a

  1 5: merge 2 and 3, copy b to dir/d

  0 6: change a

Verify that conversion skipped rev 2:

  $ glog -R dest

  o  4 78814e84a217 "6: change a" files: a

  |

  o    3 f7cff662c5e5 "5: merge 2 and 3, copy b to dir/d" files: e

  |\

  | o  2 ab40a95b0072 "4: change a" files: a

  | |

  o |  1 bd51f17597bf "3: copy a to e, change b" files: b e

  |/

  o  0 a4a1dae0fe35 "1: add a and dir/b" files: 0 a

Verify mapping correct in both directions:

  $ cat source/.hg/shamap

  a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5 333546584845f70c4cfecb992341aaef0e708166

  bd51f17597bf32268e68a560b206898c3960cda2 0e6e235919dd8e9285ba8eb5adf703af9ad99378

  ab40a95b00725307e79c2fd271000aa8af9759f4 86a55cb968d51770cba2a1630d6cc637b574580a

  f7cff662c5e581e6f3f1a85ffdd2bcb35825f6ba 717e9b37cdb7eb9917ca8e30aa3f986e6d5b177d

  78814e84a217894517c2de392b903ed05e6871a4 0613c8e59a3ddb9789072ef52f1ed13496489bb4

  $ cat dest/.hg/shamap

  333546584845f70c4cfecb992341aaef0e708166 a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5

  0394b0d5e4f761ced559fd0bbdc6afc16cb3f7d1 a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5

  0e6e235919dd8e9285ba8eb5adf703af9ad99378 bd51f17597bf32268e68a560b206898c3960cda2

  86a55cb968d51770cba2a1630d6cc637b574580a ab40a95b00725307e79c2fd271000aa8af9759f4

  717e9b37cdb7eb9917ca8e30aa3f986e6d5b177d f7cff662c5e581e6f3f1a85ffdd2bcb35825f6ba

  0613c8e59a3ddb9789072ef52f1ed13496489bb4 78814e84a217894517c2de392b903ed05e6871a4

Verify meta data converted correctly:

  $ hg -R dest log -r 1 --debug -p --git

  changeset:   1:bd51f17597bf32268e68a560b206898c3960cda2

  phase:       draft

  parent:      0:a4a1dae0fe3514cefd9b8541b7abbc8f44f946d5

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    1:040c72ed9b101773c24ac314776bfc846943781f

  user:        test

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

  files+:      b e

  extra:       branch=default

  description:

  3: copy a to e, change b

  diff --git a/b b/b

  new file mode 100644

  --- /dev/null

  +++ b/b

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

  +b

  diff --git a/a b/e

  copy from a

  copy to e

Verify files included and excluded correctly:

  $ hg -R dest manifest -r tip

  0

  a

  b

  e

Make changes in dest and convert back:

  $ hg -R dest up -q

  $ echo dest > dest/dest

  $ hg -R dest ci -Aqm 'change in dest'

  $ hg -R dest tip

  changeset:   5:a2e0e3cc6d1d

  tag:         tip

  user:        test

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

  summary:     change in dest

(converting merges back after using a filemap will probably cause chaos so we

exclude merges.)

  $ hg convert dest source --config convert.hg.revs='!merge()'

  scanning source...

  sorting...

  converting...

  0 change in dest

Verify the conversion back:

  $ hg -R source log --debug -r tip

  changeset:   7:e6d364a69ff1248b2099e603b0c145504cade6f0

  tag:         tip

  phase:       draft

  parent:      6:0613c8e59a3ddb9789072ef52f1ed13496489bb4

  parent:      -1:0000000000000000000000000000000000000000

  manifest:    7:aa3e9542f3b76d4f1f1b2e9c7ce9dbb48b6a95ec

  user:        test

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

  files+:      dest

  extra:       branch=default

  description:

  change in dest

Files that had been excluded are still present:

  $ hg -R source manifest -r tip

  0

  a

  b

  dest

  dir/b

  dir/c

  dir/d

  e

More source changes

  $ cd source

  $ echo 1 >> a

  $ hg ci -m '8: source first branch'

  created new head

  $ hg up -qr -2

  $ echo 2 >> a

  $ hg ci -m '9: source second branch'

  $ hg merge -q --tool internal:local

  $ hg ci -m '10: source merge'

  $ echo >> a

  $ hg ci -m '11: source change'

  $ hg mani

  0

  a

  b

  dest

  dir/b

  dir/c

  dir/d

  e

  $ glog -r 6:

  @  11 0c8927d1f7f4 "11: source change" files: a

  |

  o    10 9ccb7ee8d261 "10: source merge" files: a

  |\

  | o  9 f131b1518dba "9: source second branch" files: a

  | |

  o |  8 669cf0e74b50 "8: source first branch" files: a

  | |

  | o  7 e6d364a69ff1 "change in dest" files: dest

  |/

  o  6 0613c8e59a3d "6: change a" files: a

  |

  $ cd ..

  $ hg convert --filemap filemap source dest --config convert.hg.revs=3:

  scanning source...

  sorting...

  converting...

  3 8: source first branch

  2 9: source second branch

  1 10: source merge

  0 11: source change

  $ glog -R dest

  o  9 8432d597b263 "11: source change" files: a

  |

  o    8 632ffacdcd6f "10: source merge" files: a

  |\

  | o  7 049cfee90ee6 "9: source second branch" files: a

  | |

  o |  6 9b6845e036e5 "8: source first branch" files: a

  | |

  | @  5 a2e0e3cc6d1d "change in dest" files: dest

  |/

  o  4 78814e84a217 "6: change a" files: a

  |

  o    3 f7cff662c5e5 "5: merge 2 and 3, copy b to dir/d" files: e

  |\

  | o  2 ab40a95b0072 "4: change a" files: a

  | |

  o |  1 bd51f17597bf "3: copy a to e, change b" files: b e

  |/

  o  0 a4a1dae0fe35 "1: add a and dir/b" files: 0 a

  $ cd ..

Two way tests

  $ hg init 0

  $ echo f > 0/f

  $ echo a > 0/a-only

  $ echo b > 0/b-only

  $ hg -R 0 ci -Aqm0

  $ cat << EOF > filemap-a