Mercurial > hg
view tests/test-rollback.t @ 48584:74973a6d4e67
filemerge: always define a "base" label
It simplifies the code and improves the conflict markers to always
have the "base" label defined.
Differential Revision: https://phab.mercurial-scm.org/D12016
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Thu, 20 Jan 2022 14:13:12 -0800 |
parents | 768056549737 |
children | 2f2682f40ea0 |
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setup repo $ hg init t $ cd t $ echo a > a $ hg commit -Am'add a' adding a $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files checked 1 changesets with 1 changes to 1 files $ hg parents changeset: 0:1f0dee641bb7 tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: add a rollback to null revision $ hg status $ hg rollback repository tip rolled back to revision -1 (undo commit) working directory now based on revision -1 $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files checked 0 changesets with 0 changes to 0 files $ hg parents $ hg status A a Two changesets this time so we rollback to a real changeset $ hg commit -m'add a again' $ echo a >> a $ hg commit -m'modify a' Test issue 902 (current branch is preserved) $ hg branch test marked working directory as branch test (branches are permanent and global, did you want a bookmark?) $ hg rollback repository tip rolled back to revision 0 (undo commit) working directory now based on revision 0 $ hg branch default Test issue 1635 (commit message saved) $ cat .hg/last-message.txt ; echo modify a Test rollback of hg before issue 902 was fixed $ hg commit -m "test3" $ hg branch test marked working directory as branch test (branches are permanent and global, did you want a bookmark?) $ rm .hg/undo.branch $ hg rollback repository tip rolled back to revision 0 (undo commit) named branch could not be reset: current branch is still 'test' working directory now based on revision 0 $ hg branch test working dir unaffected by rollback: do not restore dirstate et. al. $ hg log --template '{rev} {branch} {desc|firstline}\n' 0 default add a again $ hg status M a $ hg bookmark foo $ hg commit -m'modify a again' $ echo b > b $ hg bookmark bar -r default #making bar active, before the transaction $ hg commit -Am'add b' adding b $ hg log --template '{rev} {branch} {desc|firstline}\n' 2 test add b 1 test modify a again 0 default add a again $ hg update bar 1 files updated, 0 files merged, 1 files removed, 0 files unresolved (activating bookmark bar) $ cat .hg/undo.branch ; echo test $ hg rollback -f repository tip rolled back to revision 1 (undo commit) $ hg id -n 0 $ hg branch default $ cat .hg/bookmarks.current ; echo bar $ hg bookmark --delete foo bar rollback by pretxncommit saves commit message (issue1635) $ echo a >> a $ hg --config hooks.pretxncommit=false commit -m"precious commit message" transaction abort! rollback completed abort: pretxncommit hook exited with status * (glob) [40] $ cat .hg/last-message.txt ; echo precious commit message same thing, but run $EDITOR $ cat > editor.sh << '__EOF__' > echo "another precious commit message" > "$1" > __EOF__ $ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg --config hooks.pretxncommit=false commit 2>&1 transaction abort! rollback completed note: commit message saved in .hg/last-message.txt note: use 'hg commit --logfile .hg/last-message.txt --edit' to reuse it abort: pretxncommit hook exited with status * (glob) [40] $ cat .hg/last-message.txt another precious commit message test rollback on served repository #if serve $ hg commit -m "precious commit message" $ hg serve -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log $ cat hg.pid >> $DAEMON_PIDS $ cd .. $ hg clone http://localhost:$HGPORT u requesting all changes adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 1 files (+1 heads) new changesets 23b0221f3370:068774709090 updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd u $ hg id default 068774709090 now rollback and observe that 'hg serve' reloads the repository and presents the correct tip changeset: $ hg -R ../t rollback repository tip rolled back to revision 1 (undo commit) working directory now based on revision 0 $ hg id default 791dd2169706 $ killdaemons.py #endif update to older changeset and then refuse rollback, because that would lose data (issue2998) $ cd ../t $ hg -q update $ rm `hg status -un` $ template='{rev}:{node|short} [{branch}] {desc|firstline}\n' $ echo 'valuable new file' > b $ echo 'valuable modification' >> a $ hg commit -A -m'a valuable change' adding b $ hg update 0 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg rollback abort: rollback of last commit while not checked out may lose data (use -f to force) [255] $ hg tip -q 2:4d9cd3795eea $ hg rollback -f repository tip rolled back to revision 1 (undo commit) $ hg status $ hg log --removed b # yep, it's gone same again, but emulate an old client that doesn't write undo.desc $ hg -q update $ echo 'valuable modification redux' >> a $ hg commit -m'a valuable change redux' $ rm .hg/undo.desc $ hg update 0 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg rollback rolling back unknown transaction $ cat a a corrupt journal test $ echo "foo" > .hg/store/journal $ hg recover --verify rolling back interrupted transaction couldn't read journal entry 'foo\n'! checking changesets checking manifests crosschecking files in changesets and manifests checking files checked 2 changesets with 2 changes to 1 files rollback disabled by config $ cat >> $HGRCPATH <<EOF > [ui] > rollback = false > EOF $ echo narf >> pinky-sayings.txt $ hg add pinky-sayings.txt $ hg ci -m 'First one.' $ hg rollback abort: rollback is disabled because it is unsafe (see `hg help -v rollback` for information) [255] $ cd .. I/O errors on stdio are handled properly (issue5658) $ cat > badui.py << EOF > import errno > from mercurial.i18n import _ > from mercurial import ( > error, > registrar, > ui as uimod, > ) > > configtable = {} > configitem = registrar.configitem(configtable) > > configitem(b'ui', b'ioerrors', > default=list, > ) > > def pretxncommit(ui, repo, **kwargs): > ui.warn(b'warn during pretxncommit\n') > > def pretxnclose(ui, repo, **kwargs): > ui.warn(b'warn during pretxnclose\n') > > def txnclose(ui, repo, **kwargs): > ui.warn(b'warn during txnclose\n') > > def txnabort(ui, repo, **kwargs): > ui.warn(b'warn during abort\n') > > class fdproxy(object): > def __init__(self, ui, o): > self._ui = ui > self._o = o > > def __getattr__(self, attr): > return getattr(self._o, attr) > > def write(self, msg): > errors = set(self._ui.configlist(b'ui', b'ioerrors')) > pretxncommit = msg == b'warn during pretxncommit\n' > pretxnclose = msg == b'warn during pretxnclose\n' > txnclose = msg == b'warn during txnclose\n' > txnabort = msg == b'warn during abort\n' > msgabort = msg == _(b'transaction abort!\n') > msgrollback = msg == _(b'rollback completed\n') > > if pretxncommit and b'pretxncommit' in errors: > raise IOError(errno.EPIPE, 'simulated epipe') > if pretxnclose and b'pretxnclose' in errors: > raise IOError(errno.EIO, 'simulated eio') > if txnclose and b'txnclose' in errors: > raise IOError(errno.EBADF, 'simulated badf') > if txnabort and b'txnabort' in errors: > raise IOError(errno.EPIPE, 'simulated epipe') > if msgabort and b'msgabort' in errors: > raise IOError(errno.EBADF, 'simulated ebadf') > if msgrollback and b'msgrollback' in errors: > raise IOError(errno.EIO, 'simulated eio') > > return self._o.write(msg) > > def uisetup(ui): > class badui(ui.__class__): > def _write(self, dest, *args, **kwargs): > olderr = self.ferr > try: > if dest is self.ferr: > self.ferr = dest = fdproxy(self, olderr) > return super(badui, self)._write(dest, *args, **kwargs) > finally: > self.ferr = olderr > > ui.__class__ = badui > > def reposetup(ui, repo): > ui.setconfig(b'hooks', b'pretxnclose.badui', pretxnclose, b'badui') > ui.setconfig(b'hooks', b'txnclose.badui', txnclose, b'badui') > ui.setconfig(b'hooks', b'pretxncommit.badui', pretxncommit, b'badui') > ui.setconfig(b'hooks', b'txnabort.badui', txnabort, b'badui') > EOF $ cat >> $HGRCPATH << EOF > [extensions] > badui = $TESTTMP/badui.py > EOF An I/O error during pretxncommit is handled $ hg init ioerror-pretxncommit $ cd ioerror-pretxncommit $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=pretxncommit commit -m 'error during pretxncommit' warn during pretxnclose warn during txnclose $ hg commit -m 'commit 1' nothing changed [1] $ cd .. An I/O error during pretxnclose is handled $ hg init ioerror-pretxnclose $ cd ioerror-pretxnclose $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=pretxnclose commit -m 'error during pretxnclose' warn during pretxncommit warn during txnclose $ hg commit -m 'commit 1' nothing changed [1] $ cd .. An I/O error during txnclose is handled $ hg init ioerror-txnclose $ cd ioerror-txnclose $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=txnclose commit -m 'error during txnclose' warn during pretxncommit warn during pretxnclose $ hg commit -m 'commit 1' nothing changed [1] $ cd .. An I/O error writing "transaction abort" is handled $ hg init ioerror-msgabort $ cd ioerror-msgabort $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=msgabort --config hooks.pretxncommit=false commit -m 'error during abort message' warn during abort rollback completed abort: pretxncommit hook exited with status 1 [40] $ hg commit -m 'commit 1' warn during pretxncommit warn during pretxnclose warn during txnclose $ cd .. An I/O error during txnabort should still result in rollback $ hg init ioerror-txnabort $ cd ioerror-txnabort $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=txnabort --config hooks.pretxncommit=false commit -m 'error during abort' transaction abort! rollback completed abort: pretxncommit hook exited with status 1 [40] $ hg commit -m 'commit 1' warn during pretxncommit warn during pretxnclose warn during txnclose $ cd .. An I/O error writing "rollback completed" is handled $ hg init ioerror-msgrollback $ cd ioerror-msgrollback $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=msgrollback --config hooks.pretxncommit=false commit -m 'error during rollback message' transaction abort! warn during abort abort: pretxncommit hook exited with status 1 [40] $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files checked 1 changesets with 1 changes to 1 files $ cd .. Multiple I/O errors after transaction open are handled. This is effectively what happens if a peer disconnects in the middle of a transaction. $ hg init ioerror-multiple $ cd ioerror-multiple $ echo 0 > foo $ hg -q commit -A -m initial warn during pretxncommit warn during pretxnclose warn during txnclose $ echo 1 > foo $ hg --config ui.ioerrors=pretxncommit,pretxnclose,txnclose,txnabort,msgabort,msgrollback commit -m 'multiple errors' $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files checked 2 changesets with 2 changes to 1 files $ cd ..