view tests/test-push-warn.t @ 26750:9f9ec4abe700

cmdutil: make in-memory changes visible to external editor (issue4378)

Before this patch, external editor process for the commit log can't
view some in-memory changes (especially, of dirstate), because they
aren't written out until the end of transaction (or wlock).

This causes unexpected output of Mercurial commands spawned from that
editor process.

To make in-memory changes visible to external editor process, this
patch does:

  - write (or schedule to write) in-memory dirstate changes, and
  - set HG_PENDING environment variable, if:
    - a transaction is running, and
    - there are in-memory changes to be visible

"hg diff" spawned from external editor process for "hg qrefresh"
shows:

  - "changes newly imported into the topmost" before 49148d7868df(*)
  - "all changes recorded in the topmost by refreshing" after this patch

(*) 49148d7868df changed steps invoking editor process

Even though backward compatibility may be broken, the latter behavior
looks reasonable, because "hg diff" spawned from the editor process
consistently shows "what changes new revision records" regardless of
invocation context.

In fact, issue4378 itself should be resolved by 800e090e9c64, which
made 'repo.transaction()' write in-memory dirstate changes out
explicitly before starting transaction. It also made "hg qrefresh"
imply 'dirstate.write()' before external editor invocation in call
chain below.

  - mq.queue.refresh
    - strip.strip
      - repair.strip
        - localrepository.transaction
          - dirstate.write
    - localrepository.commit
      - invoke external editor

Though, this patch has '(issue4378)' in own summary line to indicate
that issues like issue4378 should be fixed by this.

BTW, this patch adds '-m' option to a 'hg ci --amend' execution in
'test-commit-amend.t', to avoid invoking external editor process.

In this case, "unsure" states may be changed to "clean" according to
timestamp or so on. These changes should be written into pending file,
if external editor invocation is required,

Then, writing dirstate changes out breaks stability of test, because
it shows "transaction abort!/rollback completed" occasionally.

Aborting after editor process invocation while commands below may
cause similar instability of tests, too (AFAIK, there is no more such
one, at this revision)

  - commit --amend
    - without --message/--logfile

  - import
    - without --message/--logfile,
    - without --no-commit,
    - without --bypass,
    - one of below, and
      - patch has no description text, or
      - with --edit
    - aborting at the 1st patch, which adds or removes file(s)
      - if it only changes existing files, status is checked only for
        changed files by 'scmutil.matchfiles()', and transition from
        "unsure" to "normal" in dirstate doesn't occur (= dirstate
        isn't changed, and written out)
      - aborting at the 2nd or later patch implies other pending
        changes (e.g. changelog), and always causes showing
        "transaction abort!/rollback completed"

  $ cat << EOF >> $HGRCPATH
  > [experimental]
  > # drop me once bundle2 is the default,
  > # added to get test change early.
  > bundle2-exp = True
  > EOF
  $ hg init a
  $ cd a
  $ echo foo > t1
  $ hg add t1
  $ hg commit -m "1"

  $ cd ..
  $ hg clone a b
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd a
  $ echo foo > t2
  $ hg add t2
  $ hg commit -m "2"

  $ cd ../b
  $ echo foo > t3
  $ hg add t3
  $ hg commit -m "3"

Specifying a revset that evaluates to null will abort

  $ hg push -r '0 & 1' ../a
  pushing to ../a
  abort: specified revisions evaluate to an empty set
  (use different revision arguments)
  [255]

  $ hg push ../a
  pushing to ../a
  searching for changes
  remote has heads on branch 'default' that are not known locally: 1c9246a22a0a
  abort: push creates new remote head 1e108cc5548c!
  (pull and merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg push --debug ../a
  pushing to ../a
  query 1; heads
  searching for changes
  taking quick initial sample
  query 2; still undecided: 1, sample size is: 1
  2 total queries
  listing keys for "phases"
  checking for updated bookmarks
  listing keys for "bookmarks"
  listing keys for "bookmarks"
  remote has heads on branch 'default' that are not known locally: 1c9246a22a0a
  new remote heads on branch 'default':
   1e108cc5548c
  abort: push creates new remote head 1e108cc5548c!
  (pull and merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg pull ../a
  pulling from ../a
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)
  (run 'hg heads' to see heads, 'hg merge' to merge)

  $ hg push ../a
  pushing to ../a
  searching for changes
  abort: push creates new remote head 1e108cc5548c!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg merge
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)

  $ hg commit -m "4"
  $ hg push ../a
  pushing to ../a
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 1 changes to 1 files

  $ cd ..

  $ hg init c
  $ cd c
  $ for i in 0 1 2; do
  >     echo $i >> foo
  >     hg ci -Am $i
  > done
  adding foo
  $ cd ..

  $ hg clone c d
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd d
  $ for i in 0 1; do
  >    hg co -C $i
  >    echo d-$i >> foo
  >    hg ci -m d-$i
  > done
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  created new head
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  created new head

  $ HGMERGE=true hg merge 3
  merging foo
  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)

  $ hg ci -m c-d

  $ hg push ../c
  pushing to ../c
  searching for changes
  abort: push creates new remote head 6346d66eb9f5!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg push -r 2 ../c
  pushing to ../c
  searching for changes
  no changes found
  [1]

  $ hg push -r 3 ../c
  pushing to ../c
  searching for changes
  abort: push creates new remote head a5dda829a167!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg push -v -r 3 -r 4 ../c
  pushing to ../c
  searching for changes
  new remote heads on branch 'default':
   a5dda829a167
   ee8fbc7a0295
  abort: push creates new remote head a5dda829a167!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg push -v -f -r 3 -r 4 ../c
  pushing to ../c
  searching for changes
  2 changesets found
  uncompressed size of bundle content:
       348 (changelog)
       326 (manifests)
       253  foo
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 1 files (+2 heads)

  $ hg push -r 5 ../c
  pushing to ../c
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (-1 heads)

  $ hg in ../c
  comparing with ../c
  searching for changes
  no changes found
  [1]


Issue450: push -r warns about remote head creation even if no heads
will be created

  $ hg init ../e
  $ hg push -r 0 ../e
  pushing to ../e
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files

  $ hg push -r 1 ../e
  pushing to ../e
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files

  $ cd ..


Issue736: named branches are not considered for detection of
unmerged heads in "hg push"

  $ hg init f
  $ cd f
  $ hg -q branch a
  $ echo 0 > foo
  $ hg -q ci -Am 0
  $ echo 1 > foo
  $ hg -q ci -m 1
  $ hg -q up 0
  $ echo 2 > foo
  $ hg -q ci -m 2
  $ hg -q up 0
  $ hg -q branch b
  $ echo 3 > foo
  $ hg -q ci -m 3
  $ cd ..

  $ hg -q clone f g
  $ cd g

Push on existing branch and new branch:

  $ hg -q up 1
  $ echo 4 > foo
  $ hg -q ci -m 4
  $ hg -q up 0
  $ echo 5 > foo
  $ hg -q branch c
  $ hg -q ci -m 5

  $ hg push ../f
  pushing to ../f
  searching for changes
  abort: push creates new remote branches: c!
  (use 'hg push --new-branch' to create new remote branches)
  [255]

  $ hg push -r 4 -r 5 ../f
  pushing to ../f
  searching for changes
  abort: push creates new remote branches: c!
  (use 'hg push --new-branch' to create new remote branches)
  [255]


Multiple new branches:

  $ hg -q branch d
  $ echo 6 > foo
  $ hg -q ci -m 6

  $ hg push ../f
  pushing to ../f
  searching for changes
  abort: push creates new remote branches: c, d!
  (use 'hg push --new-branch' to create new remote branches)
  [255]

  $ hg push -r 4 -r 6 ../f
  pushing to ../f
  searching for changes
  abort: push creates new remote branches: c, d!
  (use 'hg push --new-branch' to create new remote branches)
  [255]

  $ cd ../g


Fail on multiple head push:

  $ hg -q up 1
  $ echo 7 > foo
  $ hg -q ci -m 7

  $ hg push -r 4 -r 7 ../f
  pushing to ../f
  searching for changes
  abort: push creates new remote head 0b715ef6ff8f on branch 'a'!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

Push replacement head on existing branches:

  $ hg -q up 3
  $ echo 8 > foo
  $ hg -q ci -m 8

  $ hg push -r 7 -r 8 ../f
  pushing to ../f
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 1 files


Merge of branch a to other branch b followed by unrelated push
on branch a:

  $ hg -q up 7
  $ HGMERGE=true hg -q merge 8
  $ hg -q ci -m 9
  $ hg -q up 8
  $ echo 10 > foo
  $ hg -q ci -m 10

  $ hg push -r 9 ../f
  pushing to ../f
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (-1 heads)

  $ hg push -r 10 ../f
  pushing to ../f
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)


Cheating the counting algorithm:

  $ hg -q up 9
  $ HGMERGE=true hg -q merge 2
  $ hg -q ci -m 11
  $ hg -q up 1
  $ echo 12 > foo
  $ hg -q ci -m 12

  $ hg push -r 11 -r 12 ../f
  pushing to ../f
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 1 files


Failed push of new named branch:

  $ echo 12 > foo
  $ hg -q ci -m 12a
  [1]
  $ hg -q up 11
  $ echo 13 > foo
  $ hg -q branch e
  $ hg -q ci -m 13d

  $ hg push -r 12 -r 13 ../f
  pushing to ../f
  searching for changes
  abort: push creates new remote branches: e!
  (use 'hg push --new-branch' to create new remote branches)
  [255]


Using --new-branch to push new named branch:

  $ hg push --new-branch -r 12 -r 13 ../f
  pushing to ../f
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files

Pushing multi headed new branch:

  $ echo 14 > foo
  $ hg -q branch f
  $ hg -q ci -m 14
  $ echo 15 > foo
  $ hg -q ci -m 15
  $ hg -q up 14
  $ echo 16 > foo
  $ hg -q ci -m 16
  $ hg push --branch f --new-branch ../f
  pushing to ../f
  searching for changes
  abort: push creates new branch 'f' with multiple heads
  (merge or see "hg help push" for details about pushing new heads)
  [255]
  $ hg push --branch f --new-branch --force ../f
  pushing to ../f
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 3 changesets with 3 changes to 1 files (+1 heads)

Checking prepush logic does not allow silently pushing
multiple new heads but also doesn't report too many heads:

  $ cd ..
  $ hg init h
  $ echo init > h/init
  $ hg -R h ci -Am init
  adding init
  $ echo a > h/a
  $ hg -R h ci -Am a
  adding a
  $ hg clone h i
  updating to branch default
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg -R h up 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo b > h/b
  $ hg -R h ci -Am b
  adding b
  created new head
  $ hg -R i up 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo c > i/c
  $ hg -R i ci -Am c
  adding c
  created new head

  $ for i in `python $TESTDIR/seq.py 3`; do hg -R h up -q 0; echo $i > h/b; hg -R h ci -qAm$i; done

  $ hg -R i push h
  pushing to h
  searching for changes
  remote has heads on branch 'default' that are not known locally: 534543e22c29 764f8ec07b96 afe7cc7679f5 ce4212fc8847
  abort: push creates new remote head 97bd0c84d346!
  (pull and merge or see "hg help push" for details about pushing new heads)
  [255]
  $ hg -R h up -q 0; echo x > h/b; hg -R h ci -qAmx
  $ hg -R i push h
  pushing to h
  searching for changes
  remote has heads on branch 'default' that are not known locally: 18ddb72c4590 534543e22c29 764f8ec07b96 afe7cc7679f5 and 1 others
  abort: push creates new remote head 97bd0c84d346!
  (pull and merge or see "hg help push" for details about pushing new heads)
  [255]
  $ hg -R i push h -v
  pushing to h
  searching for changes
  remote has heads on branch 'default' that are not known locally: 18ddb72c4590 534543e22c29 764f8ec07b96 afe7cc7679f5 ce4212fc8847
  new remote heads on branch 'default':
   97bd0c84d346
  abort: push creates new remote head 97bd0c84d346!
  (pull and merge or see "hg help push" for details about pushing new heads)
  [255]


Check prepush logic with merged branches:

  $ hg init j
  $ hg -R j branch a
  marked working directory as branch a
  (branches are permanent and global, did you want a bookmark?)
  $ echo init > j/foo
  $ hg -R j ci -Am init
  adding foo
  $ hg clone j k
  updating to branch a
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo a1 > j/foo
  $ hg -R j ci -m a1
  $ hg -R k branch b
  marked working directory as branch b
  $ echo b > k/foo
  $ hg -R k ci -m b
  $ hg -R k up 0
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg -R k merge b
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)

  $ hg -R k ci -m merge

  $ hg -R k push -r a j
  pushing to j
  searching for changes
  abort: push creates new remote branches: b!
  (use 'hg push --new-branch' to create new remote branches)
  [255]


Prepush -r should not allow you to sneak in new heads:

  $ hg init l
  $ cd l
  $ echo a >> foo
  $ hg -q add foo
  $ hg -q branch a
  $ hg -q ci -ma
  $ hg -q up null
  $ echo a >> foo
  $ hg -q add foo
  $ hg -q branch b
  $ hg -q ci -mb
  $ cd ..
  $ hg -q clone l m -u a
  $ cd m
  $ hg -q merge b
  $ hg -q ci -mmb
  $ hg -q up 0
  $ echo a >> foo
  $ hg -q ci -ma2
  $ hg -q up 2
  $ echo a >> foo
  $ hg -q branch -f b
  $ hg -q ci -mb2
  $ hg -q merge 3
  $ hg -q ci -mma

  $ hg push ../l -b b
  pushing to ../l
  searching for changes
  abort: push creates new remote head 451211cc22b0 on branch 'a'!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ cd ..


Check prepush with new branch head on former topo non-head:

  $ hg init n
  $ cd n
  $ hg branch A
  marked working directory as branch A
  (branches are permanent and global, did you want a bookmark?)
  $ echo a >a
  $ hg ci -Ama
  adding a
  $ hg branch B
  marked working directory as branch B
  $ echo b >b
  $ hg ci -Amb
  adding b

b is now branch head of B, and a topological head
a is now branch head of A, but not a topological head

  $ hg clone . inner
  updating to branch B
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd inner
  $ hg up B
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo b1 >b1
  $ hg ci -Amb1
  adding b1

in the clone b1 is now the head of B

  $ cd ..
  $ hg up 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo a2 >a2
  $ hg ci -Ama2
  adding a2

a2 is now the new branch head of A, and a new topological head
it replaces a former inner branch head, so it should at most warn about
A, not B

glog of local:

  $ hg log -G --template "{rev}: {branches} {desc}\n"
  @  2: A a2
  |
  | o  1: B b
  |/
  o  0: A a
  
glog of remote:

  $ hg log -G -R inner --template "{rev}: {branches} {desc}\n"
  @  2: B b1
  |
  o  1: B b
  |
  o  0: A a
  
outgoing:

  $ hg out inner --template "{rev}: {branches} {desc}\n"
  comparing with inner
  searching for changes
  2: A a2

  $ hg push inner
  pushing to inner
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files (+1 heads)

  $ cd ..


Check prepush with new branch head on former topo head:

  $ hg init o
  $ cd o
  $ hg branch A
  marked working directory as branch A
  (branches are permanent and global, did you want a bookmark?)
  $ echo a >a
  $ hg ci -Ama
  adding a
  $ hg branch B
  marked working directory as branch B
  $ echo b >b
  $ hg ci -Amb
  adding b

b is now branch head of B, and a topological head

  $ hg up 0
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo a1 >a1
  $ hg ci -Ama1
  adding a1

a1 is now branch head of A, and a topological head

  $ hg clone . inner
  updating to branch A
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd inner
  $ hg up B
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ echo b1 >b1
  $ hg ci -Amb1
  adding b1

in the clone b1 is now the head of B

  $ cd ..
  $ echo a2 >a2
  $ hg ci -Ama2
  adding a2

a2 is now the new branch head of A, and a topological head
it replaces a former topological and branch head, so this should not warn

glog of local:

  $ hg log -G --template "{rev}: {branches} {desc}\n"
  @  3: A a2
  |
  o  2: A a1
  |
  | o  1: B b
  |/
  o  0: A a
  
glog of remote:

  $ hg log -G -R inner --template "{rev}: {branches} {desc}\n"
  @  3: B b1
  |
  | o  2: A a1
  | |
  o |  1: B b
  |/
  o  0: A a
  
outgoing:

  $ hg out inner --template "{rev}: {branches} {desc}\n"
  comparing with inner
  searching for changes
  3: A a2

  $ hg push inner
  pushing to inner
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files

  $ cd ..


Check prepush with new branch head and new child of former branch head
but child is on different branch:

  $ hg init p
  $ cd p
  $ hg branch A
  marked working directory as branch A
  (branches are permanent and global, did you want a bookmark?)
  $ echo a0 >a
  $ hg ci -Ama0
  adding a
  $ echo a1 >a
  $ hg ci -ma1
  $ hg up null
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg branch B
  marked working directory as branch B
  $ echo b0 >b
  $ hg ci -Amb0
  adding b
  $ echo b1 >b
  $ hg ci -mb1

  $ hg clone . inner
  updating to branch B
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg up A
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg branch -f B
  marked working directory as branch B
  $ echo a3 >a
  $ hg ci -ma3
  created new head
  $ hg up 3
  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ hg branch -f A
  marked working directory as branch A
  $ echo b3 >b
  $ hg ci -mb3
  created new head

glog of local:

  $ hg log -G --template "{rev}: {branches} {desc}\n"
  @  5: A b3
  |
  | o  4: B a3
  | |
  o |  3: B b1
  | |
  o |  2: B b0
   /
  o  1: A a1
  |
  o  0: A a0
  
glog of remote:

  $ hg log -G -R inner --template "{rev}: {branches} {desc}\n"
  @  3: B b1
  |
  o  2: B b0
  
  o  1: A a1
  |
  o  0: A a0
  
outgoing:

  $ hg out inner --template "{rev}: {branches} {desc}\n"
  comparing with inner
  searching for changes
  4: B a3
  5: A b3

  $ hg push inner
  pushing to inner
  searching for changes
  abort: push creates new remote head 7d0f4fb6cf04 on branch 'A'!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg push inner -r4 -r5
  pushing to inner
  searching for changes
  abort: push creates new remote head 7d0f4fb6cf04 on branch 'A'!
  (merge or see "hg help push" for details about pushing new heads)
  [255]

  $ hg in inner
  comparing with inner
  searching for changes
  no changes found
  [1]

  $ cd ..