tests/test-rollback.t
author Boris Feld <boris.feld@octobus.net>
Wed, 12 Jul 2017 20:11:00 +0200
changeset 33458 cf694e6422f0
parent 31770 3ed26ba54685
child 33754 2debf1e3cfa4
permissions -rw-r--r--
phases: track phase changes from 'retractboundary' We adds new computation to find and record the revision affected by the boundary retraction. This add more complication to the function but this seems fine since it is only used in a couple of rare and explicit cases (`hg phase --force` and `hg qimport`). Having strong tracking of phase changes is worth the effort.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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setup repo
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  $ hg init t
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  $ cd t
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  $ echo a > a
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  $ hg commit -Am'add a'
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  adding a
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  1 files, 1 changesets, 1 total revisions
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  $ hg parents
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  changeset:   0:1f0dee641bb7
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  tag:         tip
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     add a
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rollback to null revision
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  $ hg status
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  $ hg rollback
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  repository tip rolled back to revision -1 (undo commit)
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  working directory now based on revision -1
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  0 files, 0 changesets, 0 total revisions
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  $ hg parents
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  $ hg status
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  A a
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Two changesets this time so we rollback to a real changeset
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  $ hg commit -m'add a again'
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  $ echo a >> a
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  $ hg commit -m'modify a'
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Test issue 902 (current branch is preserved)
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  $ hg branch test
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  marked working directory as branch test
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  (branches are permanent and global, did you want a bookmark?)
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  $ hg rollback
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  repository tip rolled back to revision 0 (undo commit)
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  working directory now based on revision 0
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  $ hg branch
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  default
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Test issue 1635 (commit message saved)
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  $ cat .hg/last-message.txt ; echo
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  modify a
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Test rollback of hg before issue 902 was fixed
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  $ hg commit -m "test3"
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  $ hg branch test
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  marked working directory as branch test
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  (branches are permanent and global, did you want a bookmark?)
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  $ rm .hg/undo.branch
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  $ hg rollback
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  repository tip rolled back to revision 0 (undo commit)
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  named branch could not be reset: current branch is still 'test'
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  working directory now based on revision 0
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  $ hg branch
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  test
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working dir unaffected by rollback: do not restore dirstate et. al.
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  $ hg log --template '{rev}  {branch}  {desc|firstline}\n'
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  0  default  add a again
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  $ hg status
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  M a
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  $ hg bookmark foo
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  $ hg commit -m'modify a again'
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  $ echo b > b
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  $ hg bookmark bar -r default #making bar active, before the transaction
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  $ hg commit -Am'add b'
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  adding b
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  $ hg log --template '{rev}  {branch}  {desc|firstline}\n'
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  2  test  add b
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  1  test  modify a again
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  0  default  add a again
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  $ hg update bar
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  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
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  (activating bookmark bar)
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  $ cat .hg/undo.branch ; echo
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  test
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  $ hg rollback -f
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  repository tip rolled back to revision 1 (undo commit)
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  $ hg id -n
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  0
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  $ hg branch
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  default
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  $ cat .hg/bookmarks.current ; echo
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  bar
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  $ hg bookmark --delete foo bar
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rollback by pretxncommit saves commit message (issue1635)
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  $ echo a >> a
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  $ hg --config hooks.pretxncommit=false commit -m"precious commit message"
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  transaction abort!
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  rollback completed
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  abort: pretxncommit hook exited with status * (glob)
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  [255]
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  $ cat .hg/last-message.txt ; echo
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  precious commit message
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same thing, but run $EDITOR
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  $ cat > editor.sh << '__EOF__'
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  > echo "another precious commit message" > "$1"
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  > __EOF__
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  $ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg --config hooks.pretxncommit=false commit 2>&1
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  note: commit message saved in .hg/last-message.txt
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  transaction abort!
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  rollback completed
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  abort: pretxncommit hook exited with status * (glob)
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  [255]
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  $ cat .hg/last-message.txt
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  another precious commit message
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test rollback on served repository
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#if serve
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  $ hg commit -m "precious commit message"
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  $ hg serve -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log
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  $ cat hg.pid >> $DAEMON_PIDS
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  $ cd ..
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  $ hg clone http://localhost:$HGPORT u
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  requesting all changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 3 changesets with 2 changes to 1 files (+1 heads)
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  updating to branch default
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd u
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  $ hg id default
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  068774709090
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now rollback and observe that 'hg serve' reloads the repository and
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presents the correct tip changeset:
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  $ hg -R ../t rollback
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  repository tip rolled back to revision 1 (undo commit)
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  working directory now based on revision 0
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  $ hg id default
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  791dd2169706
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  $ killdaemons.py
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#endif
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update to older changeset and then refuse rollback, because
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that would lose data (issue2998)
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  $ cd ../t
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  $ hg -q update
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  $ rm `hg status -un`
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  $ template='{rev}:{node|short}  [{branch}]  {desc|firstline}\n'
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  $ echo 'valuable new file' > b
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  $ echo 'valuable modification' >> a
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  $ hg commit -A -m'a valuable change'
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  adding b
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  $ hg update 0
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  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
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  $ hg rollback
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  abort: rollback of last commit while not checked out may lose data
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  (use -f to force)
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  [255]
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  $ hg tip -q
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  2:4d9cd3795eea
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  $ hg rollback -f
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  repository tip rolled back to revision 1 (undo commit)
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  $ hg status
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  $ hg log --removed b   # yep, it's gone
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same again, but emulate an old client that doesn't write undo.desc
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  $ hg -q update
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  $ echo 'valuable modification redux' >> a
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  $ hg commit -m'a valuable change redux'
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  $ rm .hg/undo.desc
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  $ hg update 0
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ hg rollback
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  rolling back unknown transaction
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  $ cat a
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  a
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20524
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corrupt journal test
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  $ echo "foo" > .hg/store/journal
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  $ hg recover
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  rolling back interrupted transaction
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  couldn't read journal entry 'foo\n'!
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  1 files, 2 changesets, 2 total revisions
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rollback disabled by config
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  $ cat >> $HGRCPATH <<EOF
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  > [ui]
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  > rollback = false
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  > EOF
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  $ echo narf >> pinky-sayings.txt
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  $ hg add pinky-sayings.txt
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  $ hg ci -m 'First one.'
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  $ hg rollback
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  abort: rollback is disabled because it is unsafe
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  (see `hg help -v rollback` for information)
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  [255]