$ hg init test

  $ cd test

  $ echo foo>foo

  $ hg addremove

  adding foo

  $ hg commit -m "1"

  $ hg verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  checked 1 changesets with 1 changes to 1 files

  $ hg clone . ../branch

  updating to branch default

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd ../branch

  $ hg co

  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ echo bar>>foo

  $ hg commit -m "2"

  $ cd ../test

  $ hg pull ../branch

  pulling from ../branch

  searching for changes

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 1 changes to 1 files

  new changesets 30aff43faee1

  1 local changesets published

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

  $ hg verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  checked 2 changesets with 2 changes to 1 files

  $ hg co

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cat foo

  foo

  bar

  $ hg manifest --debug

  6f4310b00b9a147241b071a60c28a650827fb03d 644   foo

update to rev 0 with a date

  $ hg upd -d foo 0

  abort: you can't specify a revision and a date

  [255]

update to default destination (with empty revspec)

  $ hg update -q null

  $ hg update

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg id

  30aff43faee1 tip

  $ hg update -q null

  $ hg update -r ''

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg id

  30aff43faee1 tip

  $ hg update -q null

  $ hg update ''

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg id

  30aff43faee1 tip

  $ cd ..

update with worker processes

#if no-windows

  $ cat <<EOF > forceworker.py

  > from mercurial import extensions, worker

  > def nocost(orig, ui, costperop, nops, threadsafe=True):

  >     return worker._numworkers(ui) > 1

  > def uisetup(ui):

  >     extensions.wrapfunction(worker, 'worthwhile', nocost)

  > EOF

  $ hg init worker

  $ cd worker

  $ cat <<EOF >> .hg/hgrc

  > [extensions]

  > forceworker = $TESTTMP/forceworker.py

  > [worker]

  > numcpus = 4

  > EOF

  $ for i in `"$PYTHON" $TESTDIR/seq.py 1 100`; do

  >   echo $i > $i

  > done

  $ hg ci -qAm 'add 100 files'

  $ hg update null

  0 files updated, 0 files merged, 100 files removed, 0 files unresolved

  $ hg update -v | grep 100

  getting 100

  100 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd ..

#endif