tests/test-revisions.t

shelve: add an "internal" extra

Keeping shelve changeset around increase the risk of collision with normal
changesets. To prevent such collision and help with overall clarity, we add an
'internal' key in extra that mark the changeset as created by "shelve".

Node changes in tests are expected.

  $ hg init repo
  $ cd repo

  $ echo 0 > a
  $ hg ci -qAm 0
  $ for i in 5 8 14 43 167; do
  >   hg up -q 0
  >   echo $i > a
  >   hg ci -qm $i
  > done
  $ cat <<EOF >> .hg/hgrc
  > [alias]
  > l = log -T '{rev}:{shortest(node,1)}\n'
  > EOF

  $ hg l
  5:00f
  4:7ba5d
  3:7ba57
  2:72
  1:9
  0:b
  $ cat <<EOF >> .hg/hgrc
  > [experimental]
  > revisions.disambiguatewithin=not 4
  > EOF
  $ hg l
  5:0
  4:7ba5d
  3:7b
  2:72
  1:9
  0:b
9 was unambiguous and still is
  $ hg l -r 9
  1:9
7 was ambiguous and still is
  $ hg l -r 7
  abort: 00changelog.i@7: ambiguous identifier!
  [255]
7b is no longer ambiguous
  $ hg l -r 7b
  3:7b

  $ cd ..