Mercurial > hg-stable
changeset 46711:aa2e38147e8b
wireprotov1peer: don't raise internal errors in some cases
Specifically, when the peer is closed in the middle of a batch of rpcs.
Differential Revision: https://phab.mercurial-scm.org/D10074
| author | Valentin Gatien-Baron <vgatien-baron@janestreet.com> |
|---|---|
| date | Thu, 25 Feb 2021 10:08:33 -0500 |
| parents | fa30292b680b |
| children | c7f6c3027af2 |
| files | mercurial/scmutil.py mercurial/wireprotov1peer.py tests/test-ssh-batch.t |
| diffstat | 3 files changed, 28 insertions(+), 13 deletions(-) [+] |
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--- a/mercurial/scmutil.py Thu Feb 25 10:00:08 2021 -0500 +++ b/mercurial/scmutil.py Thu Feb 25 10:08:33 2021 -0500 @@ -201,7 +201,9 @@ msg = inst.args[1] if isinstance(msg, type(u'')): msg = pycompat.sysbytes(msg) - if not isinstance(msg, bytes): + if msg is None: + ui.error(b"\n") + elif not isinstance(msg, bytes): ui.error(b" %r\n" % (msg,)) elif not msg: ui.error(_(b" empty string\n"))
--- a/mercurial/wireprotov1peer.py Thu Feb 25 10:00:08 2021 -0500 +++ b/mercurial/wireprotov1peer.py Thu Feb 25 10:08:33 2021 -0500 @@ -310,7 +310,7 @@ if not f.done(): f.set_exception( error.ResponseError( - _(b'unfulfilled batch command response') + _(b'unfulfilled batch command response'), None ) ) @@ -322,16 +322,27 @@ for command, f, batchable, fremote in states: # Grab raw result off the wire and teach the internal future # about it. - remoteresult = next(wireresults) - fremote.set(remoteresult) + try: + remoteresult = next(wireresults) + except StopIteration: + # This can happen in particular because next(batchable) + # in the previous iteration can call peer._abort, which + # may close the peer. + f.set_exception( + error.ResponseError( + _(b'unfulfilled batch command response'), None + ) + ) + else: + fremote.set(remoteresult) - # And ask the coroutine to decode that value. - try: - result = next(batchable) - except Exception: - pycompat.future_set_exception_info(f, sys.exc_info()[1:]) - else: - f.set_result(result) + # And ask the coroutine to decode that value. + try: + result = next(batchable) + except Exception: + pycompat.future_set_exception_info(f, sys.exc_info()[1:]) + else: + f.set_result(result) @interfaceutil.implementer(
--- a/tests/test-ssh-batch.t Thu Feb 25 10:00:08 2021 -0500 +++ b/tests/test-ssh-batch.t Thu Feb 25 10:08:33 2021 -0500 @@ -9,5 +9,7 @@ fails (thus causing the sshpeer to be stopped), the errors from the further lookups don't result in tracebacks. - $ hg pull -r b0 -r nosuchbookmark $(for i in $($TESTDIR/seq.py 1 20); do echo -r b$i; done) -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" ssh://user@dummy/$(pwd)/../a |& tail -n 1 - StopIteration + $ hg pull -r b0 -r nosuchbookmark $(for i in $($TESTDIR/seq.py 1 20); do echo -r b$i; done) -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" ssh://user@dummy/$(pwd)/../a + pulling from ssh://user@dummy/$TESTTMP/b/../a + abort: unknown revision 'nosuchbookmark' + [255]