Corrupt an hg repo with two pulls.

create one repo with a long history

  $ hg init source1

  $ cd source1

  $ touch foo

  $ hg add foo

  $ for i in 1 2 3 4 5 6 7 8 9 10; do

  >     echo $i >> foo

  >     hg ci -m $i

  > done

  $ cd ..

create a third repo to pull both other repos into it

  $ hg init version2

  $ hg -R version2 pull source1 &

  $ sleep 1

  pulling from source1

  requesting all changes

  adding changesets

  adding manifests

  adding file changes

  added 10 changesets with 10 changes to 1 files

  (run 'hg update' to get a working copy)

  $ hg clone --pull -U version2 corrupted

  requesting all changes

  adding changesets

  adding manifests

  adding file changes

  added 10 changesets with 10 changes to 1 files

  $ wait

  $ hg -R corrupted verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  1 files, 10 changesets, 10 total revisions

  $ hg -R version2 verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  1 files, 10 changesets, 10 total revisions