view tests/test-narrow-share.t @ 46758:7f6c002d7c0a

split: close transaction in the unlikely event of a conflict while rebasing

`hg split` *should* never result in conflicts, but in case there are
bugs, we should at least commit the transaction so they can continue
the rebase. One of our users ran into the regression fixed by
D10120. They fixed the conflict and the tried to continue the rebase,
but it failed with "abort: cannot continue inconsistent rebase"
because the rebase state referred to commits written in a transaction
that was never committed.

Side note: `hg split` should probably turn off copy tracing to reduce
the impact of such bugs, and to speed it up as well. Copies made in
the rebased commits should still be respected because `hg rebase`
calls `copies.graftcopies()`.

Differential Revision: https://phab.mercurial-scm.org/D10164

#testcases flat tree
#testcases safe normal

#if safe
  $ echo "[format]"         >> $HGRCPATH
  $ echo "exp-share-safe = True" >> $HGRCPATH
#endif

  $ . "$TESTDIR/narrow-library.sh"

#if tree
  $ cat << EOF >> $HGRCPATH
  > [experimental]
  > treemanifest = 1
  > EOF
#endif

  $ cat << EOF >> $HGRCPATH
  > [extensions]
  > share =
  > EOF

  $ hg init remote
  $ cd remote
  $ for x in `$TESTDIR/seq.py 0 10`
  > do
  >   mkdir d$x
  >   echo $x > d$x/f
  >   hg add d$x/f
  >   hg commit -m "add d$x/f"
  > done
  $ cd ..

  $ hg clone --narrow ssh://user@dummy/remote main -q \
  > --include d1 --include d3 --include d5 --include d7

Ignore file called "ignored"
  $ echo ignored > main/.hgignore

  $ hg share main share
  updating working directory
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg -R share tracked
  I path:d1
  I path:d3
  I path:d5
  I path:d7
  $ hg -R share files
  share/d1/f
  share/d3/f
  share/d5/f
  share/d7/f

Narrow the share and check that the main repo's working copy gets updated

# Make sure the files that are supposed to be known-clean get their timestamps set in the dirstate
  $ sleep 2
  $ hg -R main st
  $ hg -R main debugdirstate --no-dates
  n 644          2 set                 d1/f
  n 644          2 set                 d3/f
  n 644          2 set                 d5/f
  n 644          2 set                 d7/f
# Make d3/f dirty
  $ echo x >> main/d3/f
  $ echo y >> main/d3/g
  $ touch main/d3/ignored
  $ touch main/d3/untracked
  $ hg add main/d3/g
  $ hg -R main st
  M d3/f
  A d3/g
  ? d3/untracked
# Make d5/f not match the dirstate timestamp even though it's clean
  $ sleep 2
  $ hg -R main st
  M d3/f
  A d3/g
  ? d3/untracked
  $ hg -R main debugdirstate --no-dates
  n 644          2 set                 d1/f
  n 644          2 set                 d3/f
  a   0         -1 unset               d3/g
  n 644          2 set                 d5/f
  n 644          2 set                 d7/f
  $ touch main/d5/f
  $ hg -R share tracked --removeinclude d1 --removeinclude d3 --removeinclude d5
  comparing with ssh://user@dummy/remote
  searching for changes
  looking for local changes to affected paths
  deleting data/d1/f.i
  deleting data/d3/f.i
  deleting data/d5/f.i
  deleting meta/d1/00manifest.i (tree !)
  deleting meta/d3/00manifest.i (tree !)
  deleting meta/d5/00manifest.i (tree !)
  $ hg -R main tracked
  I path:d7
  $ hg -R main files
  abort: working copy's narrowspec is stale
  (run 'hg tracked --update-working-copy')
  [255]
  $ hg -R main tracked --update-working-copy
  not deleting possibly dirty file d3/f
  not deleting possibly dirty file d3/g
  not deleting possibly dirty file d5/f
  not deleting unknown file d3/untracked
  not deleting ignored file d3/ignored
# d1/f, d3/f, d3/g and d5/f should no longer be reported
  $ hg -R main files
  main/d7/f
# d1/f should no longer be there, d3/f should be since it was dirty, d3/g should be there since
# it was added, and d5/f should be since we couldn't be sure it was clean
  $ find main/d* -type f | sort
  main/d3/f
  main/d3/g
  main/d3/ignored
  main/d3/untracked
  main/d5/f
  main/d7/f

Widen the share and check that the main repo's working copy gets updated

  $ hg -R share tracked --addinclude d1 --addinclude d3 -q
  $ hg -R share tracked
  I path:d1
  I path:d3
  I path:d7
  $ hg -R share files
  share/d1/f
  share/d3/f
  share/d7/f
  $ hg -R main tracked
  I path:d1
  I path:d3
  I path:d7
  $ hg -R main files
  abort: working copy's narrowspec is stale
  (run 'hg tracked --update-working-copy')
  [255]
  $ hg -R main tracked --update-working-copy
# d1/f, d3/f should be back
  $ hg -R main files
  main/d1/f
  main/d3/f
  main/d7/f
# d3/f should be modified (not clobbered by the widening), and d3/g should be untracked
  $ hg -R main st --all
  M d3/f
  ? d3/g
  ? d3/untracked
  I d3/ignored
  C d1/f
  C d7/f

We should also be able to unshare without breaking everything:

  $ hg share main share-unshare
  updating working directory
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd share-unshare
  $ hg unshare
  $ hg verify
  checking changesets
  checking manifests
  checking directory manifests (tree !)
  crosschecking files in changesets and manifests
  checking files
  checked 11 changesets with 3 changes to 3 files
  $ cd ..

Dirstate should be left alone when upgrading from version of hg that didn't support narrow+share

  $ hg share main share-upgrade
  updating working directory
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd share-upgrade
  $ echo x >> d1/f
  $ echo y >> d3/g
  $ hg add d3/g
  $ hg rm d7/f
  $ hg st
  M d1/f
  A d3/g
  R d7/f
Make it look like a repo from before narrow+share was supported
  $ rm .hg/narrowspec.dirstate
  $ hg ci -Am test
  abort: working copy's narrowspec is stale
  (run 'hg tracked --update-working-copy')
  [255]
  $ hg tracked --update-working-copy
  $ hg st
  M d1/f
  A d3/g
  R d7/f
  $ cd ..