tests: test rebase of merge of target ancestors

tests/test-rebase-newancestor.t

@@ -1,258 +1,306 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > rebase=
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' {branches}\n"
   > EOF
 
   $ hg init repo
   $ cd repo
 
   $ echo A > a
   $ echo >> a
   $ hg ci -Am A
   adding a
 
   $ echo B > a
   $ echo >> a
   $ hg ci -m B
 
   $ echo C > a
   $ echo >> a
   $ hg ci -m C
 
   $ hg up -q -C 0
 
   $ echo D >> a
   $ hg ci -Am AD
   created new head
 
   $ hg tglog
   @  3: 'AD'
   |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ hg rebase -s 1 -d 3
   merging a
   merging a
   saved backup bundle to $TESTTMP/repo/.hg/strip-backup/*-backup.hg (glob)
 
   $ hg tglog
   o  3: 'C'
   |
   o  2: 'B'
   |
   @  1: 'AD'
   |
   o  0: 'A'
   
 
   $ cd ..
 
 
 Test rebasing of merges with ancestors of the rebase destination - a situation
 that often happens when trying to recover from repeated merging with a mainline
 branch.
 
 The test case creates a dev branch that contains a couple of merges from the
 default branch. When rebasing to the default branch, these merges would be
 merges with ancestors on the same branch. The merges _could_ contain some
 interesting conflict resolutions or additional changes in the merge commit, but
 that is mixed up with the actual merge stuff and there is in general no way to
 separate them.
 
 Note: The dev branch contains _no_ changes to f-default. It might be unclear
 how rebasing of ancestor merges should be handled, but the current behavior
 with spurious prompts for conflicts in files that didn't change seems very
 wrong.
 
   $ hg init ancestor-merge
   $ cd ancestor-merge
 
   $ touch f-default
   $ hg ci -Aqm 'default: create f-default'
 
   $ hg branch -q dev
   $ hg ci -qm 'dev: create branch'
 
   $ echo stuff > f-dev
   $ hg ci -Aqm 'dev: f-dev stuff'
 
   $ hg up -q default
   $ echo stuff > f-default
   $ hg ci -m 'default: f-default stuff'
 
   $ hg up -q dev
   $ hg merge -q default
   $ hg ci -m 'dev: merge default'
 
   $ hg up -q default
   $ hg rm f-default
   $ hg ci -m 'default: remove f-default'
 
   $ hg up -q dev
   $ hg merge -q default
   $ hg ci -m 'dev: merge default'
 
   $ hg up -q default
   $ echo stuff > f-other
   $ hg ci -Aqm 'default: f-other stuff'
 
   $ hg tglog
   @  7: 'default: f-other stuff'
   |
   | o  6: 'dev: merge default' dev
   |/|
   o |  5: 'default: remove f-default'
   | |
   | o  4: 'dev: merge default' dev
   |/|
   o |  3: 'default: f-default stuff'
   | |
   | o  2: 'dev: f-dev stuff' dev
   | |
   | o  1: 'dev: create branch' dev
   |/
   o  0: 'default: create f-default'
   
   $ hg clone -qU . ../ancestor-merge-2
 
 Full rebase all the way back from branching point:
 
   $ hg rebase -r 'only(dev,default)' -d default
   remote changed f-default which local deleted
   use (c)hanged version or leave (d)eleted? c
   local changed f-default which remote deleted
   use (c)hanged version or (d)elete? c
   saved backup bundle to $TESTTMP/ancestor-merge/.hg/strip-backup/1d1a643d390e-backup.hg (glob)
   $ hg tglog
   o  5: 'dev: merge default'
   |
   o  4: 'dev: f-dev stuff'
   |
   @  3: 'default: f-other stuff'
   |
   o  2: 'default: remove f-default'
   |
   o  1: 'default: f-default stuff'
   |
   o  0: 'default: create f-default'
   
 Grafty cherry picking rebasing:
 
   $ cd ../ancestor-merge-2
 
   $ hg phase -fdr0:
   $ hg rebase -r 'children(only(dev,default))' -d default
   remote changed f-default which local deleted
   use (c)hanged version or leave (d)eleted? c
   local changed f-default which remote deleted
   use (c)hanged version or (d)elete? c
   saved backup bundle to $TESTTMP/ancestor-merge-2/.hg/strip-backup/ec2c14fb2984-backup.hg (glob)
   $ hg tglog
   o  6: 'dev: merge default'
   |
   o  5: 'dev: f-dev stuff'
   |
   o  4: 'default: f-other stuff'
   |
   o  3: 'default: remove f-default'
   |
   o  2: 'default: f-default stuff'
   |
   | o  1: 'dev: create branch' dev
   |/
   o  0: 'default: create f-default'
   
   $ cd ..
 
 
 Test order of parents of rebased merged with un-rebased changes as p1.
 
   $ hg init parentorder
   $ cd parentorder
   $ touch f
   $ hg ci -Aqm common
   $ touch change
   $ hg ci -Aqm change
   $ touch target
   $ hg ci -Aqm target
   $ hg up -qr 0
   $ touch outside
   $ hg ci -Aqm outside
   $ hg merge -qr 1
   $ hg ci -m 'merge p1 3=outside p2 1=ancestor'
   $ hg par
   changeset:   4:6990226659be
   tag:         tip
   parent:      3:f59da8fc0fcf
   parent:      1:dd40c13f7a6f
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     merge p1 3=outside p2 1=ancestor
   
   $ hg up -qr 1
   $ hg merge -qr 3
   $ hg ci -qm 'merge p1 1=ancestor p2 3=outside'
   $ hg par
   changeset:   5:a57575f79074
   tag:         tip
   parent:      1:dd40c13f7a6f
   parent:      3:f59da8fc0fcf
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     merge p1 1=ancestor p2 3=outside
   
   $ hg tglog
   @    5: 'merge p1 1=ancestor p2 3=outside'
   |\
   +---o  4: 'merge p1 3=outside p2 1=ancestor'
   | |/
   | o  3: 'outside'
   | |
   +---o  2: 'target'
   | |
   o |  1: 'change'
   |/
   o  0: 'common'
   
   $ hg rebase -r 4 -d 2
   saved backup bundle to $TESTTMP/parentorder/.hg/strip-backup/6990226659be-backup.hg (glob)
   $ hg tip
   changeset:   5:cca50676b1c5
   tag:         tip
   parent:      2:a60552eb93fb
   parent:      3:f59da8fc0fcf
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     merge p1 3=outside p2 1=ancestor
   
   $ hg rebase -r 4 -d 2
   saved backup bundle to $TESTTMP/parentorder/.hg/strip-backup/a57575f79074-backup.hg (glob)
   $ hg tip
   changeset:   5:f9daf77ffe76
   tag:         tip
   parent:      2:a60552eb93fb
   parent:      3:f59da8fc0fcf
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     merge p1 1=ancestor p2 3=outside
   
   $ hg tglog
   @    5: 'merge p1 1=ancestor p2 3=outside'
   |\
   +---o  4: 'merge p1 3=outside p2 1=ancestor'
   | |/
   | o  3: 'outside'
   | |
   o |  2: 'target'
   | |
   o |  1: 'change'
   |/
   o  0: 'common'
   
+rebase of merge of ancestors
+
+  $ hg up -qr 2
+  $ hg merge -qr 3
+  $ echo 'other change while merging future "rebase ancestors"' > other
+  $ hg ci -Aqm 'merge rebase ancestors'
+  $ hg rebase -d 5 -v
+  resolving manifests
+  removing other
+  note: merging f9daf77ffe76+ and 4c5f12f25ebe using bids from ancestors a60552eb93fb and f59da8fc0fcf
+  
+  calculating bids for ancestor a60552eb93fb
+  resolving manifests
+  
+  calculating bids for ancestor f59da8fc0fcf
+  resolving manifests
+  
+  auction for merging merge bids
+   other: consensus for g
+  end of auction
+  
+  getting other
+  other
+  rebase merging completed
+  1 changesets found
+  saved backup bundle to $TESTTMP/parentorder/.hg/strip-backup/4c5f12f25ebe-backup.hg (glob)
+  1 changesets found
+  adding branch
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+  rebase completed
+  $ hg tglog
+  @  6: 'merge rebase ancestors'
+  |
+  o    5: 'merge p1 1=ancestor p2 3=outside'
+  |\
+  +---o  4: 'merge p1 3=outside p2 1=ancestor'
+  | |/
+  | o  3: 'outside'
+  | |
+  o |  2: 'target'
+  | |
+  o |  1: 'change'
+  |/
+  o  0: 'common'
+