$ hg init

  $ echo a > a

  $ hg add a

  $ hg status

  $ hg copy a b

  $ hg status

  A b

  $ hg sum

   1

  branch: default

  commit: 1 copied

  update: (current)

  b

   b: copy a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3

we should see two history entries

  $ hg history -v

  tag:         tip

  user:        test

  files:       b

  description:

  2

  user:        test

  files:       a

  description:

  1

we should see one log entry for a

  $ hg log a

  user:        test

  summary:     1

this should show a revision linked to changeset 0

  $ hg debugindex .hg/store/data/a.i

     rev    offset  length   base linkrev nodeid       p1           p2

       0         0       3      0       0 b789fdd96dc2 000000000000 000000000000

we should see one log entry for b

  $ hg log b

  tag:         tip

  user:        test

  summary:     2

this should show a revision linked to changeset 1

  $ hg debugindex .hg/store/data/b.i

     rev    offset  length   base linkrev nodeid       p1           p2

       0         0      65      0       1 37d9b5d994ea 000000000000 000000000000

this should show the rename information in the metadata

  $ hg debugdata .hg/store/data/b.d 0 | head -3 | tail -2

  copy: a

  copyrev: b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3

  $ $TESTDIR/md5sum.py .hg/store/data/b.i

  4999f120a3b88713bbefddd195cf5133  .hg/store/data/b.i

  $ hg cat b > bsum

  $ $TESTDIR/md5sum.py bsum

  60b725f10c9c85c70d97880dfe8191b3  bsum

  $ hg cat a > asum

  $ $TESTDIR/md5sum.py asum

  60b725f10c9c85c70d97880dfe8191b3  asum

  $ hg verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  2 files, 2 changesets, 2 total revisions