tests/test-rename-merge2.t
author FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
Wed, 05 Nov 2014 23:24:47 +0900
changeset 23183 51c9196a6bd0
parent 21391 cb15835456cb
child 23396 6a254a2dd37c
permissions -rw-r--r--
largefiles: remove meaningless code path for "hg pull --rebase" This patch removes "--rebase" specific code path for "hg pull" in "overridepull", because previous patch makes it meaningless: now, "rebase.rebase" ("orig" invocation in this patch) can update/commit largefiles safely without "repo._isrebasing = True". As a side effect of removing "rebase.rebase" invocation in "overridepull", this patch removes "nothing to rebase ..." message in "test-largefiles.t", which is shown only when rebase extension is enabled AFTER largefiles: before this patch: 1. "dispatch" invokes "pullrebase" of rebase as "hg pull" at first, because rebase wraps "hg pull" later 2. "pullrebase" invokes "overridepull" of largefiles as "orig", even though rebase assumes that "orig" is "pull" of commands 3. "overridepull" executes "pull" and "rebase" directly 3.1 "pull" pulls changesets and creates new head "X" 3.2 "rebase" rebases current working parent "Y" on "X" 4. "overridepull" returns to "pullrebase" 5. "pullrebase" tries to rebase, but there is nothing to be done, because "Y" is already rebased on "X". then, it shows "nothing to rebase ..." after this patch: 1. "dispatch" invokes "pullrebase" of rebase as "hg pull" 2. "pullrebase" invokes "overridepull" of largefiles as "orig" 3. "overridepull" executes "pull" as "orig" 4. "overridepull" returns to "pullrebase" 5. revision "Y" is not yet rebased, so "pullrebase" doesn't shows "nothing to rebase ..." As another side effect of removing "rebase.rebase" invocation, this patch fixes issue3861, which occurs only when rebase extension is enabled BEFORE largefiles: before this patch: 1. "dispatch" invokes "overridepull" of largefiles at first, because largefiles wrap "hg pull" later 2. "overridepull" executes "pull" and "rebase" explicitly 2.1 "pull" pulls changesets and creates new head "X" 2.2 "rebase" rebases current working parent, but fails because no revision is checked out in issue3861 case 3. "overridepull" returns to "dispatch" with exit code 1 returned from "rebase" at (2.2) 4. "hg pull" terminates with exit code 1 unexpectedly after this patch: 1. "dispatch" invokes "overridepull" of largefiles at first 2. "overridepull" invokes "pullrebase" of rebase as "orig" 3. "pullrebase" invokes "pull" as "orig" 4. "pullrebase" invokes "rebase", and it fails 5. "pullrebase" returns to "overridepull" with exit code 0 (because "pullrebase" ignores result of "pull" and "rebase") 6. "overridepull" returns to "dispatch" with exit code 0 returned from "rebase" at (5) 7. "hg pull" terminates with exit code 0


  $ mkdir -p t
  $ cd t
  $ cat <<EOF > merge
  > import sys, os
  > f = open(sys.argv[1], "wb")
  > f.write("merge %s %s %s" % (sys.argv[1], sys.argv[2], sys.argv[3]))
  > f.close()
  > EOF

perform a test merge with possible renaming
args:
$1 = action in local branch
$2 = action in remote branch
$3 = action in working dir
$4 = expected result

  $ tm()
  > {
  >     hg init t
  >     cd t
  >     echo "[merge]" >> .hg/hgrc
  >     echo "followcopies = 1" >> .hg/hgrc
  > 
  >     # base
  >     echo base > a
  >     echo base > rev # used to force commits
  >     hg add a rev
  >     hg ci -m "base"
  > 
  >     # remote
  >     echo remote > rev
  >     if [ "$2" != "" ] ; then $2 ; fi
  >     hg ci -m "remote"
  > 
  >     # local
  >     hg co -q 0
  >     echo local > rev
  >     if [ "$1" != "" ] ; then $1 ; fi
  >     hg ci -m "local"
  > 
  >     # working dir
  >     echo local > rev
  >     if [ "$3" != "" ] ; then $3 ; fi
  > 
  >     # merge
  >     echo "--------------"
  >     echo "test L:$1 R:$2 W:$3 - $4"
  >     echo "--------------"
  >     hg merge -y --debug --traceback --tool="python ../merge"
  > 
  >     echo "--------------"
  >     hg status -camC -X rev
  > 
  >     hg ci -m "merge"
  > 
  >     echo "--------------"
  >     echo
  > 
  >     cd ..
  >     rm -r t
  > }
  $ up() {
  >     cp rev $1
  >     hg add $1 2> /dev/null
  >     if [ "$2" != "" ] ; then
  >         cp rev $2
  >         hg add $2 2> /dev/null
  >     fi
  > }
  $ uc() { up $1; hg cp $1 $2; } # update + copy
  $ um() { up $1; hg mv $1 $2; }
  $ nc() { hg cp $1 $2; } # just copy
  $ nm() { hg mv $1 $2; } # just move
  $ tm "up a  " "nc a b" "      " "1  get local a to b"
  created new head
  --------------
  test L:up a   R:nc a b W:       - 1  get local a to b
  --------------
    searching for copies back to rev 1
    unmatched files in other:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: e300d1c794ec+, remote: 4ce40f5aca24
   preserving a for resolve of b
   preserving rev for resolve of rev
   a: keep -> k
   b: remote copied from a -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging a and b to b
  my b@e300d1c794ec+ other b@4ce40f5aca24 ancestor a@924404dff337
   premerge successful
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@e300d1c794ec+ other rev@4ce40f5aca24 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
    a
  C a
  --------------
  
  $ tm "nc a b" "up a  " "      " "2  get rem change to a and b"
  created new head
  --------------
  test L:nc a b R:up a   W:       - 2  get rem change to a and b
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 86a2aa42fc76+, remote: f4db7e329e71
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: remote is newer -> g
  getting a
  updating: a 1/3 files (33.33%)
   b: local copied/moved from a -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b and a to b
  my b@86a2aa42fc76+ other a@f4db7e329e71 ancestor a@924404dff337
   premerge successful
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@86a2aa42fc76+ other rev@f4db7e329e71 ancestor rev@924404dff337
  1 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M a
  M b
    a
  --------------
  
  $ tm "up a  " "nm a b" "      " "3  get local a change to b, remove a"
  created new head
  --------------
  test L:up a   R:nm a b W:       - 3  get local a change to b, remove a
  --------------
    searching for copies back to rev 1
    unmatched files in other:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: e300d1c794ec+, remote: bdb19105162a
   preserving a for resolve of b
   preserving rev for resolve of rev
  removing a
   b: remote moved from a -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging a and b to b
  my b@e300d1c794ec+ other b@bdb19105162a ancestor a@924404dff337
   premerge successful
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@e300d1c794ec+ other rev@bdb19105162a ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
    a
  --------------
  
  $ tm "nm a b" "up a  " "      " "4  get remote change to b"
  created new head
  --------------
  test L:nm a b R:up a   W:       - 4  get remote change to b
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 02963e448370+, remote: f4db7e329e71
   preserving b for resolve of b
   preserving rev for resolve of rev
   b: local copied/moved from a -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b and a to b
  my b@02963e448370+ other a@f4db7e329e71 ancestor a@924404dff337
   premerge successful
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@02963e448370+ other rev@f4db7e329e71 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
    a
  --------------
  
  $ tm "      " "nc a b" "      " "5  get b"
  created new head
  --------------
  test L:       R:nc a b W:       - 5  get b
  --------------
    searching for copies back to rev 1
    unmatched files in other:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' 
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 94b33a1b7f2d+, remote: 4ce40f5aca24
   preserving rev for resolve of rev
   b: remote created -> g
  getting b
  updating: b 1/2 files (50.00%)
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@94b33a1b7f2d+ other rev@4ce40f5aca24 ancestor rev@924404dff337
  1 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  C a
  --------------
  
  $ tm "nc a b" "      " "      " "6  nothing"
  created new head
  --------------
  test L:nc a b R:       W:       - 6  nothing
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' 
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 86a2aa42fc76+, remote: 97c705ade336
   preserving rev for resolve of rev
   rev: versions differ -> m
  updating: rev 1/1 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@86a2aa42fc76+ other rev@97c705ade336 ancestor rev@924404dff337
  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  C a
  C b
  --------------
  
  $ tm "      " "nm a b" "      " "7  get b"
  created new head
  --------------
  test L:       R:nm a b W:       - 7  get b
  --------------
    searching for copies back to rev 1
    unmatched files in other:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' 
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 94b33a1b7f2d+, remote: bdb19105162a
   preserving rev for resolve of rev
   a: other deleted -> r
  removing a
  updating: a 1/3 files (33.33%)
   b: remote created -> g
  getting b
  updating: b 2/3 files (66.67%)
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@94b33a1b7f2d+ other rev@bdb19105162a ancestor rev@924404dff337
  1 files updated, 1 files merged, 1 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  --------------
  
  $ tm "nm a b" "      " "      " "8  nothing"
  created new head
  --------------
  test L:nm a b R:       W:       - 8  nothing
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' 
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 02963e448370+, remote: 97c705ade336
   preserving rev for resolve of rev
   rev: versions differ -> m
  updating: rev 1/1 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@02963e448370+ other rev@97c705ade336 ancestor rev@924404dff337
  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  C b
  --------------
  
  $ tm "um a b" "um a b" "      " "9  do merge with ancestor in a"
  created new head
  --------------
  test L:um a b R:um a b W:       - 9  do merge with ancestor in a
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 62e7bf090eba+, remote: 49b6d8032493
   preserving b for resolve of b
   preserving rev for resolve of rev
   b: versions differ -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@62e7bf090eba+ other b@49b6d8032493 ancestor a@924404dff337
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@62e7bf090eba+ other rev@49b6d8032493 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  --------------
  

m "um a c" "um x c" "      " "10 do merge with no ancestor"

  $ tm "nm a b" "nm a c" "      " "11 get c, keep b"
  created new head
  --------------
  test L:nm a b R:nm a c W:       - 11 get c, keep b
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    unmatched files in other:
     c
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' !
     src: 'a' -> dst: 'c' !
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 02963e448370+, remote: fe905ef2c33e
   preserving rev for resolve of rev
   c: remote created -> g
  getting c
  updating: c 1/3 files (33.33%)
   rev: versions differ -> m
  updating: rev 2/3 files (66.67%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@02963e448370+ other rev@fe905ef2c33e ancestor rev@924404dff337
   a: divergent renames -> dr
  updating: a 3/3 files (100.00%)
  note: possible conflict - a was renamed multiple times to:
   b
   c
  1 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M c
  C b
  --------------
  
  $ tm "nc a b" "up b  " "      " "12 merge b no ancestor"
  created new head
  --------------
  test L:nc a b R:up b   W:       - 12 merge b no ancestor
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 86a2aa42fc76+, remote: af30c7647fc7
   preserving b for resolve of b
   preserving rev for resolve of rev
   b: versions differ -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@86a2aa42fc76+ other b@af30c7647fc7 ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@86a2aa42fc76+ other rev@af30c7647fc7 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  C a
  --------------
  
  $ tm "up b  " "nm a b" "      " "13 merge b no ancestor"
  created new head
  --------------
  test L:up b   R:nm a b W:       - 13 merge b no ancestor
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 59318016310c+, remote: bdb19105162a
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: other deleted -> r
  removing a
  updating: a 1/3 files (33.33%)
   b: versions differ -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@59318016310c+ other b@bdb19105162a ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@59318016310c+ other rev@bdb19105162a ancestor rev@924404dff337
  0 files updated, 2 files merged, 1 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  --------------
  
  $ tm "nc a b" "up a b" "      " "14 merge b no ancestor"
  created new head
  --------------
  test L:nc a b R:up a b W:       - 14 merge b no ancestor
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 86a2aa42fc76+, remote: 8dbce441892a
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: remote is newer -> g
  getting a
  updating: a 1/3 files (33.33%)
   b: versions differ -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@86a2aa42fc76+ other b@8dbce441892a ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@86a2aa42fc76+ other rev@8dbce441892a ancestor rev@924404dff337
  1 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M a
  M b
  --------------
  
  $ tm "up b  " "nm a b" "      " "15 merge b no ancestor, remove a"
  created new head
  --------------
  test L:up b   R:nm a b W:       - 15 merge b no ancestor, remove a
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 59318016310c+, remote: bdb19105162a
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: other deleted -> r
  removing a
  updating: a 1/3 files (33.33%)
   b: versions differ -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@59318016310c+ other b@bdb19105162a ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@59318016310c+ other rev@bdb19105162a ancestor rev@924404dff337
  0 files updated, 2 files merged, 1 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  --------------
  
  $ tm "nc a b" "up a b" "      " "16 get a, merge b no ancestor"
  created new head
  --------------
  test L:nc a b R:up a b W:       - 16 get a, merge b no ancestor
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 86a2aa42fc76+, remote: 8dbce441892a
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: remote is newer -> g
  getting a
  updating: a 1/3 files (33.33%)
   b: versions differ -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@86a2aa42fc76+ other b@8dbce441892a ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@86a2aa42fc76+ other rev@8dbce441892a ancestor rev@924404dff337
  1 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M a
  M b
  --------------
  
  $ tm "up a b" "nc a b" "      " "17 keep a, merge b no ancestor"
  created new head
  --------------
  test L:up a b R:nc a b W:       - 17 keep a, merge b no ancestor
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 0b76e65c8289+, remote: 4ce40f5aca24
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: keep -> k
   b: versions differ -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@0b76e65c8289+ other b@4ce40f5aca24 ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@0b76e65c8289+ other rev@4ce40f5aca24 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  C a
  --------------
  
  $ tm "nm a b" "up a b" "      " "18 merge b no ancestor"
  created new head
  --------------
  test L:nm a b R:up a b W:       - 18 merge b no ancestor
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 02963e448370+, remote: 8dbce441892a
  remote changed a which local deleted
  use (c)hanged version or leave (d)eleted? c
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: prompt recreating -> g
  getting a
  updating: a 1/3 files (33.33%)
   b: versions differ -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@02963e448370+ other b@8dbce441892a ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@02963e448370+ other rev@8dbce441892a ancestor rev@924404dff337
  1 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M a
  M b
  --------------
  
  $ tm "up a b" "nm a b" "      " "19 merge b no ancestor, prompt remove a"
  created new head
  --------------
  test L:up a b R:nm a b W:       - 19 merge b no ancestor, prompt remove a
  --------------
    searching for copies back to rev 1
    unmatched files new in both:
     b
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 0b76e65c8289+, remote: bdb19105162a
  local changed a which remote deleted
  use (c)hanged version or (d)elete? c
   preserving b for resolve of b
   preserving rev for resolve of rev
   a: prompt keep -> a
  updating: a 1/3 files (33.33%)
   b: versions differ -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b
  my b@0b76e65c8289+ other b@bdb19105162a ancestor b@000000000000
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@0b76e65c8289+ other rev@bdb19105162a ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
  C a
  --------------
  
  $ tm "up a  " "um a b" "      " "20 merge a and b to b, remove a"
  created new head
  --------------
  test L:up a   R:um a b W:       - 20 merge a and b to b, remove a
  --------------
    searching for copies back to rev 1
    unmatched files in other:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: e300d1c794ec+, remote: 49b6d8032493
   preserving a for resolve of b
   preserving rev for resolve of rev
  removing a
   b: remote moved from a -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging a and b to b
  my b@e300d1c794ec+ other b@49b6d8032493 ancestor a@924404dff337
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@e300d1c794ec+ other rev@49b6d8032493 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
    a
  --------------
  
  $ tm "um a b" "up a  " "      " "21 merge a and b to b"
  created new head
  --------------
  test L:um a b R:up a   W:       - 21 merge a and b to b
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 62e7bf090eba+, remote: f4db7e329e71
   preserving b for resolve of b
   preserving rev for resolve of rev
   b: local copied/moved from a -> m
  updating: b 1/2 files (50.00%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b and a to b
  my b@62e7bf090eba+ other a@f4db7e329e71 ancestor a@924404dff337
   rev: versions differ -> m
  updating: rev 2/2 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@62e7bf090eba+ other rev@f4db7e329e71 ancestor rev@924404dff337
  0 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
    a
  --------------
  

m "nm a b" "um x a" "      " "22 get a, keep b"

  $ tm "nm a b" "up a c" "      " "23 get c, keep b"
  created new head
  --------------
  test L:nm a b R:up a c W:       - 23 get c, keep b
  --------------
    searching for copies back to rev 1
    unmatched files in local:
     b
    unmatched files in other:
     c
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: 'a' -> dst: 'b' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: False, partial: False
   ancestor: 924404dff337, local: 02963e448370+, remote: 2b958612230f
   preserving b for resolve of b
   preserving rev for resolve of rev
   c: remote created -> g
  getting c
  updating: c 1/3 files (33.33%)
   b: local copied/moved from a -> m
  updating: b 2/3 files (66.67%)
  picked tool 'python ../merge' for b (binary False symlink False)
  merging b and a to b
  my b@02963e448370+ other a@2b958612230f ancestor a@924404dff337
   premerge successful
   rev: versions differ -> m
  updating: rev 3/3 files (100.00%)
  picked tool 'python ../merge' for rev (binary False symlink False)
  merging rev
  my rev@02963e448370+ other rev@2b958612230f ancestor rev@924404dff337
  1 files updated, 2 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  --------------
  M b
    a
  M c
  --------------
  

  $ cd ..


Systematic and terse testing of merge merges and ancestor calculation:

Expected result:

\  a  m1  m2  dst
0  -   f   f   f   "versions differ"
1  f   g   g   g   "versions differ"
2  f   f   f   f   "versions differ"
3  f   f   g  f+g  "remote copied to " + f
4  f   f   g   g   "remote moved to " + f
5  f   g   f  f+g  "local copied to " + f2
6  f   g   f   g   "local moved to " + f2
7  -  (f)  f   f   "remote differs from untracked local"
8  f  (f)  f   f   "remote differs from untracked local"

  $ hg init ancestortest
  $ cd ancestortest
  $ for x in 1 2 3 4 5 6 8; do mkdir $x; echo a > $x/f; done
  $ hg ci -Aqm "a"
  $ mkdir 0
  $ touch 0/f
  $ hg mv 1/f 1/g
  $ hg cp 5/f 5/g
  $ hg mv 6/f 6/g
  $ hg rm 8/f
  $ for x in */*; do echo m1 > $x; done
  $ hg ci -Aqm "m1"
  $ hg up -qr0
  $ mkdir 0 7
  $ touch 0/f 7/f
  $ hg mv 1/f 1/g
  $ hg cp 3/f 3/g
  $ hg mv 4/f 4/g
  $ for x in */*; do echo m2 > $x; done
  $ hg ci -Aqm "m2"
  $ hg up -qr1
  $ mkdir 7 8
  $ echo m > 7/f
  $ echo m > 8/f
  $ hg merge -f --tool internal:dump -v --debug -r2 | sed '/^updating:/,$d' 2> /dev/null
    searching for copies back to rev 1
    unmatched files in local:
     5/g
     6/g
    unmatched files in other:
     3/g
     4/g
     7/f
    unmatched files new in both:
     0/f
     1/g
    all copies found (* = to merge, ! = divergent, % = renamed and deleted):
     src: '3/f' -> dst: '3/g' *
     src: '4/f' -> dst: '4/g' *
     src: '5/f' -> dst: '5/g' *
     src: '6/f' -> dst: '6/g' *
    checking for directory renames
  resolving manifests
   branchmerge: True, force: True, partial: False
   ancestor: e6cb3cf11019, local: ec44bf929ab5+, remote: c62e34d0b898
  remote changed 8/f which local deleted
  use (c)hanged version or leave (d)eleted? c
   preserving 0/f for resolve of 0/f
   preserving 1/g for resolve of 1/g
   preserving 2/f for resolve of 2/f
   preserving 3/f for resolve of 3/f
   preserving 3/f for resolve of 3/g
   preserving 4/f for resolve of 4/g
   preserving 5/f for resolve of 5/f
   preserving 5/g for resolve of 5/g
   preserving 6/g for resolve of 6/g
   preserving 7/f for resolve of 7/f
  removing 4/f
   8/f: prompt recreating -> g
  getting 8/f
  $ hg mani
  0/f
  1/g
  2/f
  3/f
  4/f
  5/f
  5/g
  6/g
  $ for f in */*; do echo $f:; cat $f; done
  0/f:
  m1
  0/f.base:
  0/f.local:
  m1
  0/f.orig:
  m1
  0/f.other:
  m2
  1/g:
  m1
  1/g.base:
  a
  1/g.local:
  m1
  1/g.orig:
  m1
  1/g.other:
  m2
  2/f:
  m1
  2/f.base:
  a
  2/f.local:
  m1
  2/f.orig:
  m1
  2/f.other:
  m2
  3/f:
  m1
  3/f.base:
  a
  3/f.local:
  m1
  3/f.orig:
  m1
  3/f.other:
  m2
  3/g:
  m1
  3/g.base:
  a
  3/g.local:
  m1
  3/g.orig:
  m1
  3/g.other:
  m2
  4/g:
  m1
  4/g.base:
  a
  4/g.local:
  m1
  4/g.orig:
  m1
  4/g.other:
  m2
  5/f:
  m1
  5/f.base:
  a
  5/f.local:
  m1
  5/f.orig:
  m1
  5/f.other:
  m2
  5/g:
  m1
  5/g.base:
  a
  5/g.local:
  m1
  5/g.orig:
  m1
  5/g.other:
  m2
  6/g:
  m1
  6/g.base:
  a
  6/g.local:
  m1
  6/g.orig:
  m1
  6/g.other:
  m2
  7/f:
  m
  7/f.base:
  7/f.local:
  m
  7/f.orig:
  m
  7/f.other:
  m2
  8/f:
  m2
  $ cd ..