diff tests/test-hook.t @ 11793:a03ce716495d

tests: unify test-hook
author Nicolas Dumazet <nicdumz.commits@gmail.com>
date Thu, 12 Aug 2010 19:38:31 +0900
parents tests/test-hook@0e64d814d7d0
children 80c63b2a29a8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-hook.t	Thu Aug 12 19:38:31 2010 +0900
@@ -0,0 +1,465 @@
+  $ cp "$TESTDIR"/printenv.py .
+
+# commit hooks can see env vars
+
+  $ hg init a
+  $ cd a
+  $ echo "[hooks]" > .hg/hgrc
+  $ echo 'commit = unset HG_LOCAL HG_TAG; python ../printenv.py commit' >> .hg/hgrc
+  $ echo 'commit.b = unset HG_LOCAL HG_TAG; python ../printenv.py commit.b' >> .hg/hgrc
+  $ echo 'precommit = unset HG_LOCAL HG_NODE HG_TAG; python ../printenv.py precommit' >> .hg/hgrc
+  $ echo 'pretxncommit = unset HG_LOCAL HG_TAG; python ../printenv.py pretxncommit' >> .hg/hgrc
+  $ echo 'pretxncommit.tip = hg -q tip' >> .hg/hgrc
+  $ echo 'pre-identify = python ../printenv.py pre-identify 1' >> .hg/hgrc
+  $ echo 'pre-cat = python ../printenv.py pre-cat' >> .hg/hgrc
+  $ echo 'post-cat = python ../printenv.py post-cat' >> .hg/hgrc
+  $ echo a > a
+  $ hg add a
+  $ hg commit -m a -d "1000000 0"
+  precommit hook: HG_PARENT1=0000000000000000000000000000000000000000 
+  pretxncommit hook: HG_NODE=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b HG_PARENT1=0000000000000000000000000000000000000000 HG_PENDING=$HGTMP/test-hook.t/a 
+  0:29b62aeb769f
+  commit hook: HG_NODE=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b HG_PARENT1=0000000000000000000000000000000000000000 
+  commit.b hook: HG_NODE=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b HG_PARENT1=0000000000000000000000000000000000000000 
+
+  $ hg clone . ../b
+  updating to branch default
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ cd ../b
+
+# changegroup hooks can see env vars
+
+  $ echo '[hooks]' > .hg/hgrc
+  $ echo 'prechangegroup = python ../printenv.py prechangegroup' >> .hg/hgrc
+  $ echo 'changegroup = python ../printenv.py changegroup' >> .hg/hgrc
+  $ echo 'incoming = python ../printenv.py incoming' >> .hg/hgrc
+
+# pretxncommit and commit hooks can see both parents of merge
+
+  $ cd ../a
+  $ echo b >> a
+  $ hg commit -m a1 -d "1 0"
+  precommit hook: HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b 
+  pretxncommit hook: HG_NODE=b702efe9688826e3a91283852b328b84dbf37bc2 HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b HG_PENDING=$HGTMP/test-hook.t/a 
+  1:b702efe96888
+  commit hook: HG_NODE=b702efe9688826e3a91283852b328b84dbf37bc2 HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b 
+  commit.b hook: HG_NODE=b702efe9688826e3a91283852b328b84dbf37bc2 HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b 
+  $ hg update -C 0
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ echo b > b
+  $ hg add b
+  $ hg commit -m b -d '1 0'
+  precommit hook: HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b 
+  pretxncommit hook: HG_NODE=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b HG_PENDING=$HGTMP/test-hook.t/a 
+  2:1324a5531bac
+  commit hook: HG_NODE=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b 
+  commit.b hook: HG_NODE=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b 
+  created new head
+  $ hg merge 1
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+  $ hg commit -m merge -d '2 0'
+  precommit hook: HG_PARENT1=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT2=b702efe9688826e3a91283852b328b84dbf37bc2 
+  pretxncommit hook: HG_NODE=4c52fb2e402287dd5dc052090682536c8406c321 HG_PARENT1=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT2=b702efe9688826e3a91283852b328b84dbf37bc2 HG_PENDING=$HGTMP/test-hook.t/a 
+  3:4c52fb2e4022
+  commit hook: HG_NODE=4c52fb2e402287dd5dc052090682536c8406c321 HG_PARENT1=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT2=b702efe9688826e3a91283852b328b84dbf37bc2 
+  commit.b hook: HG_NODE=4c52fb2e402287dd5dc052090682536c8406c321 HG_PARENT1=1324a5531bac09b329c3845d35ae6a7526874edb HG_PARENT2=b702efe9688826e3a91283852b328b84dbf37bc2 
+
+# test generic hooks
+
+  $ hg id
+  pre-identify hook: HG_ARGS=id HG_OPTS={'tags': None, 'rev': '', 'num': None, 'branch': None, 'id': None} HG_PATS=[] 
+  warning: pre-identify hook exited with status 1
+  $ hg cat b
+  pre-cat hook: HG_ARGS=cat b HG_OPTS={'rev': '', 'decode': None, 'exclude': [], 'output': '', 'include': []} HG_PATS=['b'] 
+  post-cat hook: HG_ARGS=cat b HG_OPTS={'rev': '', 'decode': None, 'exclude': [], 'output': '', 'include': []} HG_PATS=['b'] HG_RESULT=0 
+  b
+
+  $ cd ../b
+  $ hg pull ../a
+  prechangegroup hook: HG_SOURCE=pull HG_URL=file: 
+  changegroup hook: HG_NODE=b702efe9688826e3a91283852b328b84dbf37bc2 HG_SOURCE=pull HG_URL=file: 
+  incoming hook: HG_NODE=b702efe9688826e3a91283852b328b84dbf37bc2 HG_SOURCE=pull HG_URL=file: 
+  incoming hook: HG_NODE=1324a5531bac09b329c3845d35ae6a7526874edb HG_SOURCE=pull HG_URL=file: 
+  incoming hook: HG_NODE=4c52fb2e402287dd5dc052090682536c8406c321 HG_SOURCE=pull HG_URL=file: 
+  pulling from ../a
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 3 changesets with 2 changes to 2 files
+  (run 'hg update' to get a working copy)
+
+# tag hooks can see env vars
+
+  $ cd ../a
+  $ echo 'pretag = python ../printenv.py pretag' >> .hg/hgrc
+  $ echo 'tag = unset HG_PARENT1 HG_PARENT2; python ../printenv.py tag' >> .hg/hgrc
+  $ hg tag -d '3 0' a
+  pretag hook: HG_LOCAL=0 HG_NODE=4c52fb2e402287dd5dc052090682536c8406c321 HG_TAG=a 
+  precommit hook: HG_PARENT1=4c52fb2e402287dd5dc052090682536c8406c321 
+  pretxncommit hook: HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_PARENT1=4c52fb2e402287dd5dc052090682536c8406c321 HG_PENDING=$HGTMP/test-hook.t/a 
+  4:8ea2ef7ad3e8
+  commit hook: HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_PARENT1=4c52fb2e402287dd5dc052090682536c8406c321 
+  commit.b hook: HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_PARENT1=4c52fb2e402287dd5dc052090682536c8406c321 
+  tag hook: HG_LOCAL=0 HG_NODE=4c52fb2e402287dd5dc052090682536c8406c321 HG_TAG=a 
+  $ hg tag -l la
+  pretag hook: HG_LOCAL=1 HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_TAG=la 
+  tag hook: HG_LOCAL=1 HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_TAG=la 
+
+# pretag hook can forbid tagging
+
+  $ echo 'pretag.forbid = python ../printenv.py pretag.forbid 1' >> .hg/hgrc
+  $ hg tag -d '4 0' fa
+  pretag hook: HG_LOCAL=0 HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_TAG=fa 
+  pretag.forbid hook: HG_LOCAL=0 HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_TAG=fa 
+  abort: pretag.forbid hook exited with status 1
+  $ hg tag -l fla
+  pretag hook: HG_LOCAL=1 HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_TAG=fla 
+  pretag.forbid hook: HG_LOCAL=1 HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_TAG=fla 
+  abort: pretag.forbid hook exited with status 1
+
+# pretxncommit hook can see changeset, can roll back txn, changeset
+# no more there after
+
+  $ echo 'pretxncommit.forbid0 = hg tip -q' >> .hg/hgrc
+  $ echo 'pretxncommit.forbid1 = python ../printenv.py pretxncommit.forbid 1' >> .hg/hgrc
+  $ echo z > z
+  $ hg add z
+  $ hg -q tip
+  4:8ea2ef7ad3e8
+  $ hg commit -m 'fail' -d '4 0'
+  precommit hook: HG_PARENT1=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 
+  pretxncommit hook: HG_NODE=fad284daf8c032148abaffcd745dafeceefceb61 HG_PARENT1=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_PENDING=$HGTMP/test-hook.t/a 
+  5:fad284daf8c0
+  5:fad284daf8c0
+  pretxncommit.forbid hook: HG_NODE=fad284daf8c032148abaffcd745dafeceefceb61 HG_PARENT1=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_PENDING=$HGTMP/test-hook.t/a 
+  transaction abort!
+  rollback completed
+  abort: pretxncommit.forbid1 hook exited with status 1
+  $ hg -q tip
+  4:8ea2ef7ad3e8
+
+# precommit hook can prevent commit
+
+  $ echo 'precommit.forbid = python ../printenv.py precommit.forbid 1' >> .hg/hgrc
+  $ hg commit -m 'fail' -d '4 0'
+  precommit hook: HG_PARENT1=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 
+  precommit.forbid hook: HG_PARENT1=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 
+  abort: precommit.forbid hook exited with status 1
+  $ hg -q tip
+  4:8ea2ef7ad3e8
+
+# preupdate hook can prevent update
+
+  $ echo 'preupdate = python ../printenv.py preupdate' >> .hg/hgrc
+  $ hg update 1
+  preupdate hook: HG_PARENT1=b702efe96888 
+  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
+
+# update hook
+
+  $ echo 'update = python ../printenv.py update' >> .hg/hgrc
+  $ hg update
+  preupdate hook: HG_PARENT1=8ea2ef7ad3e8 
+  update hook: HG_ERROR=0 HG_PARENT1=8ea2ef7ad3e8 
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+# prechangegroup hook can prevent incoming changes
+
+  $ cd ../b
+  $ hg -q tip
+  3:4c52fb2e4022
+  $ echo '[hooks]' > .hg/hgrc
+  $ echo 'prechangegroup.forbid = python ../printenv.py prechangegroup.forbid 1' >> .hg/hgrc
+  $ hg pull ../a
+  prechangegroup.forbid hook: HG_SOURCE=pull HG_URL=file: 
+  pulling from ../a
+  searching for changes
+  abort: prechangegroup.forbid hook exited with status 1
+
+# pretxnchangegroup hook can see incoming changes, can roll back txn,
+# incoming changes no longer there after
+
+  $ echo '[hooks]' > .hg/hgrc
+  $ echo 'pretxnchangegroup.forbid0 = hg tip -q' >> .hg/hgrc
+  $ echo 'pretxnchangegroup.forbid1 = python ../printenv.py pretxnchangegroup.forbid 1' >> .hg/hgrc
+  $ hg pull ../a
+  4:8ea2ef7ad3e8
+  pretxnchangegroup.forbid hook: HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_PENDING=$HGTMP/test-hook.t/b HG_SOURCE=pull HG_URL=file: 
+  pulling from ../a
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+  transaction abort!
+  rollback completed
+  abort: pretxnchangegroup.forbid1 hook exited with status 1
+  $ hg -q tip
+  3:4c52fb2e4022
+
+# outgoing hooks can see env vars
+
+  $ rm .hg/hgrc
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing = python ../printenv.py preoutgoing' >> ../a/.hg/hgrc
+  $ echo 'outgoing = python ../printenv.py outgoing' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  preoutgoing hook: HG_SOURCE=pull 
+  outgoing hook: HG_NODE=8ea2ef7ad3e8cac946c72f1e0c79d6aebc301198 HG_SOURCE=pull 
+  pulling from ../a
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+  (run 'hg update' to get a working copy)
+  $ hg rollback
+  rolling back to revision 3 (undo pull)
+
+# preoutgoing hook can prevent outgoing changes
+
+  $ echo 'preoutgoing.forbid = python ../printenv.py preoutgoing.forbid 1' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  preoutgoing hook: HG_SOURCE=pull 
+  preoutgoing.forbid hook: HG_SOURCE=pull 
+  pulling from ../a
+  searching for changes
+  abort: preoutgoing.forbid hook exited with status 1
+
+# outgoing hooks work for local clones
+
+  $ cd ..
+  $ echo '[hooks]' > a/.hg/hgrc
+  $ echo 'preoutgoing = python ../printenv.py preoutgoing' >> a/.hg/hgrc
+  $ echo 'outgoing = python ../printenv.py outgoing' >> a/.hg/hgrc
+  $ hg clone a c
+  preoutgoing hook: HG_SOURCE=clone 
+  outgoing hook: HG_NODE=0000000000000000000000000000000000000000 HG_SOURCE=clone 
+  updating to branch default
+  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ rm -rf c
+
+# preoutgoing hook can prevent outgoing changes for local clones
+
+  $ echo 'preoutgoing.forbid = python ../printenv.py preoutgoing.forbid 1' >> a/.hg/hgrc
+  $ hg clone a zzz
+  preoutgoing hook: HG_SOURCE=clone 
+  preoutgoing.forbid hook: HG_SOURCE=clone 
+  abort: preoutgoing.forbid hook exited with status 1
+  $ cd b
+
+  $ cat > hooktests.py <<EOF
+  > from mercurial import util
+  > 
+  > uncallable = 0
+  > 
+  > def printargs(args):
+  >     args.pop('ui', None)
+  >     args.pop('repo', None)
+  >     a = list(args.items())
+  >     a.sort()
+  >     print 'hook args:'
+  >     for k, v in a:
+  >        print ' ', k, v
+  > 
+  > def passhook(**args):
+  >     printargs(args)
+  > 
+  > def failhook(**args):
+  >     printargs(args)
+  >     return True
+  > 
+  > class LocalException(Exception):
+  >     pass
+  > 
+  > def raisehook(**args):
+  >     raise LocalException('exception from hook')
+  > 
+  > def aborthook(**args):
+  >     raise util.Abort('raise abort from hook')
+  > 
+  > def brokenhook(**args):
+  >     return 1 + {}
+  > 
+  > class container:
+  >     unreachable = 1
+  > EOF
+
+# test python hooks
+
+  $ PYTHONPATH="`pwd`:$PYTHONPATH"
+  $ export PYTHONPATH
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.broken = python:hooktests.brokenhook' >> ../a/.hg/hgrc
+  $ hg pull ../a 2>&1 | grep 'raised an exception'
+  error: preoutgoing.broken hook raised an exception: unsupported operand type(s) for +: 'int' and 'dict'
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.raise = python:hooktests.raisehook' >> ../a/.hg/hgrc
+  $ hg pull ../a 2>&1 | grep 'raised an exception'
+  error: preoutgoing.raise hook raised an exception: exception from hook
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.abort = python:hooktests.aborthook' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  error: preoutgoing.abort hook failed: raise abort from hook
+  abort: raise abort from hook
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.fail = python:hooktests.failhook' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  hook args:
+    hooktype preoutgoing
+    source pull
+  abort: preoutgoing.fail hook failed
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.uncallable = python:hooktests.uncallable' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  abort: preoutgoing.uncallable hook is invalid ("hooktests.uncallable" is not callable)
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.nohook = python:hooktests.nohook' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  abort: preoutgoing.nohook hook is invalid ("hooktests.nohook" is not defined)
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.nomodule = python:nomodule' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  abort: preoutgoing.nomodule hook is invalid ("nomodule" not in a module)
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.badmodule = python:nomodule.nowhere' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  abort: preoutgoing.badmodule hook is invalid (import of "nomodule" failed)
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.unreachable = python:hooktests.container.unreachable' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  abort: preoutgoing.unreachable hook is invalid (import of "hooktests.container" failed)
+
+  $ echo '[hooks]' > ../a/.hg/hgrc
+  $ echo 'preoutgoing.pass = python:hooktests.passhook' >> ../a/.hg/hgrc
+  $ hg pull ../a
+  pulling from ../a
+  searching for changes
+  hook args:
+    hooktype preoutgoing
+    source pull
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 1 changes to 1 files
+  (run 'hg update' to get a working copy)
+
+# make sure --traceback works
+
+  $ echo '[hooks]' > .hg/hgrc
+  $ echo 'commit.abort = python:hooktests.aborthook' >> .hg/hgrc
+
+  $ echo aa > a
+  $ hg --traceback commit -d '0 0' -ma 2>&1 | grep '^Traceback'
+  Traceback (most recent call last):
+
+  $ cd ..
+  $ hg init c
+  $ cd c
+
+  $ cat > hookext.py <<EOF
+  > def autohook(**args):
+  >     print "Automatically installed hook"
+  > 
+  > def reposetup(ui, repo):
+  >     repo.ui.setconfig("hooks", "commit.auto", autohook)
+  > EOF
+  $ echo '[extensions]' >> .hg/hgrc
+  $ echo 'hookext = hookext.py' >> .hg/hgrc
+
+  $ touch foo
+  $ hg add foo
+  $ hg ci -d '0 0' -m 'add foo'
+  Automatically installed hook
+  $ echo >> foo
+  $ hg ci --debug -d '0 0' -m 'change foo' | sed -e 's/ at .*>/>/'
+  foo
+  calling hook commit.auto: <function autohook>
+  Automatically installed hook
+  committed changeset 1:52998019f6252a2b893452765fcb0a47351a5708
+
+  $ hg showconfig hooks | sed -e 's/ at .*>/>/'
+  hooks.commit.auto=<function autohook>
+
+# test python hook configured with python:[file]:[hook] syntax
+
+  $ cd ..
+  $ mkdir d
+  $ cd d
+  $ hg init repo
+  $ mkdir hooks
+
+  $ cd hooks
+  $ cat > testhooks.py <<EOF
+  > def testhook(**args):
+  >     print 'hook works'
+  > EOF
+  $ echo '[hooks]' > ../repo/.hg/hgrc
+  $ echo "pre-commit.test = python:`pwd`/testhooks.py:testhook" >> ../repo/.hg/hgrc
+
+  $ cd ../repo
+  $ hg commit -d '0 0'
+  hook works
+  nothing changed
+
+  $ cd ../../b
+
+# make sure --traceback works on hook import failure
+
+  $ cat > importfail.py <<EOF
+  > import somebogusmodule
+  > # dereference something in the module to force demandimport to load it
+  > somebogusmodule.whatever
+  > EOF
+
+  $ echo '[hooks]' > .hg/hgrc
+  $ echo 'precommit.importfail = python:importfail.whatever' >> .hg/hgrc
+
+  $ echo a >> a
+  $ hg --traceback commit -d '0 0' -ma 2>&1 | egrep '^(exception|Traceback|ImportError)'
+  exception from first failed import attempt:
+  Traceback (most recent call last):
+  ImportError: No module named somebogusmodule
+  exception from second failed import attempt:
+  Traceback (most recent call last):
+  ImportError: No module named hgext_importfail
+  Traceback (most recent call last):
+
+# commit and update hooks should run after command completion (issue 1827)
+
+  $ echo '[hooks]' > .hg/hgrc
+  $ echo 'commit = hg id' >> .hg/hgrc
+  $ echo 'update = hg id' >> .hg/hgrc
+  $ echo bb > a
+  $ hg ci -d '0 0' -ma
+  8da618c33484 tip
+  $ hg up 0
+  29b62aeb769f
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ exit 0