rebase: provides test case for (issue5610)

The 4.2 release introduces a regression regarding the behavior of rebase with
some hook failures. We add the tests from the bug report from Henrik Stuart to
our test base to prevent further regression on this.

tests/test-rebase-interruptions.t

@@ -1,274 +1,326 b''
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > rebase=
   > 
   > [phases]
   > publish=False
   > 
   > [alias]
   > tglog = log -G --template "{rev}: '{desc}' {branches}\n"
   > tglogp = log -G --template "{rev}:{phase} '{desc}' {branches}\n"
   > EOF
 
 
   $ hg init a
   $ cd a
 
   $ echo A > A
   $ hg ci -Am A
   adding A
 
   $ echo B > B
   $ hg ci -Am B
   adding B
 
   $ echo C >> A
   $ hg ci -m C
 
   $ hg up -q -C 0
 
   $ echo D >> A
   $ hg ci -m D
   created new head
 
   $ echo E > E
   $ hg ci -Am E
   adding E
 
   $ cd ..
 
 
 Changes during an interruption - continue:
 
   $ hg clone -q -u . a a1
   $ cd a1
 
   $ hg tglog
   @  4: 'E'
   |
   o  3: 'D'
   |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
 Rebasing B onto E:
 
   $ hg rebase -s 1 -d 4
   rebasing 1:27547f69f254 "B"
   rebasing 2:965c486023db "C"
   merging A
   warning: conflicts while merging A! (edit, then use 'hg resolve --mark')
   unresolved conflicts (see hg resolve, then hg rebase --continue)
   [1]
 
 Force a commit on C during the interruption:
 
   $ hg up -q -C 2 --config 'extensions.rebase=!'
 
   $ echo 'Extra' > Extra
   $ hg add Extra
   $ hg ci -m 'Extra' --config 'extensions.rebase=!'
 
 Force this commit onto secret phase
 
   $ hg phase --force --secret 6
 
   $ hg tglogp
   @  6:secret 'Extra'
   |
   | o  5:draft 'B'
   | |
   | o  4:draft 'E'
   | |
   | o  3:draft 'D'
   | |
   o |  2:draft 'C'
   | |
   o |  1:draft 'B'
   |/
   o  0:draft 'A'
   
 Resume the rebasing:
 
   $ hg rebase --continue
   already rebased 1:27547f69f254 "B" as 45396c49d53b
   rebasing 2:965c486023db "C"
   merging A
   warning: conflicts while merging A! (edit, then use 'hg resolve --mark')
   unresolved conflicts (see hg resolve, then hg rebase --continue)
   [1]
 
 Solve the conflict and go on:
 
   $ echo 'conflict solved' > A
   $ rm A.orig
   $ hg resolve -m A
   (no more unresolved files)
   continue: hg rebase --continue
 
   $ hg rebase --continue
   already rebased 1:27547f69f254 "B" as 45396c49d53b
   rebasing 2:965c486023db "C"
   warning: new changesets detected on source branch, not stripping
 
   $ hg tglogp
   o  7:draft 'C'
   |
   | o  6:secret 'Extra'
   | |
   o |  5:draft 'B'
   | |
   @ |  4:draft 'E'
   | |
   o |  3:draft 'D'
   | |
   | o  2:draft 'C'
   | |
   | o  1:draft 'B'
   |/
   o  0:draft 'A'
   
   $ cd ..
 
 
 Changes during an interruption - abort:
 
   $ hg clone -q -u . a a2
   $ cd a2
 
   $ hg tglog
   @  4: 'E'
   |
   o  3: 'D'
   |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
 Rebasing B onto E:
 
   $ hg rebase -s 1 -d 4
   rebasing 1:27547f69f254 "B"
   rebasing 2:965c486023db "C"
   merging A
   warning: conflicts while merging A! (edit, then use 'hg resolve --mark')
   unresolved conflicts (see hg resolve, then hg rebase --continue)
   [1]
 
 Force a commit on B' during the interruption:
 
   $ hg up -q -C 5 --config 'extensions.rebase=!'
 
   $ echo 'Extra' > Extra
   $ hg add Extra
   $ hg ci -m 'Extra' --config 'extensions.rebase=!'
 
   $ hg tglog
   @  6: 'Extra'
   |
   o  5: 'B'
   |
   o  4: 'E'
   |
   o  3: 'D'
   |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
 Abort the rebasing:
 
   $ hg rebase --abort
   warning: new changesets detected on target branch, can't strip
   rebase aborted
 
   $ hg tglog
   @  6: 'Extra'
   |
   o  5: 'B'
   |
   o  4: 'E'
   |
   o  3: 'D'
   |
   | o  2: 'C'
   | |
   | o  1: 'B'
   |/
   o  0: 'A'
   
   $ cd ..
 
 Changes during an interruption - abort (again):
 
   $ hg clone -q -u . a a3
   $ cd a3
 
   $ hg tglogp
   @  4:draft 'E'
   |
   o  3:draft 'D'
   |
   | o  2:draft 'C'
   | |
   | o  1:draft 'B'
   |/
   o  0:draft 'A'
   
 Rebasing B onto E:
 
   $ hg rebase -s 1 -d 4
   rebasing 1:27547f69f254 "B"
   rebasing 2:965c486023db "C"
   merging A
   warning: conflicts while merging A! (edit, then use 'hg resolve --mark')
   unresolved conflicts (see hg resolve, then hg rebase --continue)
   [1]
 
 Change phase on B and B'
 
   $ hg up -q -C 5 --config 'extensions.rebase=!'
   $ hg phase --public 1
   $ hg phase --public 5
   $ hg phase --secret -f 2
 
   $ hg tglogp
   @  5:public 'B'
   |
   o  4:public 'E'
   |
   o  3:public 'D'
   |
   | o  2:secret 'C'
   | |
   | o  1:public 'B'
   |/
   o  0:public 'A'
   
 Abort the rebasing:
 
   $ hg rebase --abort
   warning: can't clean up public changesets 45396c49d53b
   rebase aborted
 
   $ hg tglogp
   @  5:public 'B'
   |
   o  4:public 'E'
   |
   o  3:public 'D'
   |
   | o  2:secret 'C'
   | |
   | o  1:public 'B'
   |/
   o  0:public 'A'
   
+
+Test rebase interrupted by hooks (pretxncommit)
+
+  $ hg up 2
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ echo F > F
+  $ hg add F
+  $ hg ci -m F
+  $ hg rebase --source 2 --dest 5 --tool internal:other --config 'hooks.pretxncommit=hg log -r $HG_NODE | grep "summary:     C"'
+  rebasing 2:965c486023db "C"
+  summary:     C
+  rebasing 6:a0b2430ebfb8 "F" (tip)
+  transaction abort!
+  rollback completed
+  abort: pretxncommit hook exited with status 1
+  [255]
+  $ hg tglogp
+  @  7:secret 'C'
+  |
+  | @  6:secret 'F'
+  | |
+  o |  5:public 'B'
+  | |
+  o |  4:public 'E'
+  | |
+  o |  3:public 'D'
+  | |
+  | o  2:secret 'C'
+  | |
+  | o  1:public 'B'
+  |/
+  o  0:public 'A'
+  
+  $ hg rebase --continue
+  already rebased 2:965c486023db "C" as 401ccec5e39f
+  rebasing 6:a0b2430ebfb8 "F"
+  saved backup bundle to $TESTTMP/a3/.hg/strip-backup/965c486023db-aa6250e7-backup.hg (glob)
+  $ hg tglogp
+  @  6:secret 'F'
+  |
+  o  5:secret 'C'
+  |
+  o  4:public 'B'
+  |
+  o  3:public 'E'
+  |
+  o  2:public 'D'
+  |
+  | o  1:public 'B'
+  |/
+  o  0:public 'A'
+  
   $ cd ..