Mercurial > hg-stable
view tests/test-eol-tag.t @ 33668:cde4cfeb6e3e stable
ui: restore behavior to ignore some I/O errors (issue5658)
e9646ff34d55 and 1bfb9a63b98e refactored ui methods to no longer
silently swallow some IOError instances. This is arguably the
correct thing to do. However, it had the unfortunate side-effect
of causing StdioError to bubble up to sensitive code like
transaction aborts, leading to an uncaught exceptions and failures
to e.g. roll back a transaction. This could occur when a remote
HTTP or SSH client connection dropped. The new behavior is
resulting in semi-frequent "abandonded transaction" errors on
multiple high-volume repositories at Mozilla.
This commit effectively reverts e9646ff34d55 and 1bfb9a63b98e to
restore the old behavior.
I agree with the principle that I/O errors shouldn't be ignored.
That makes this change... unfortunate. However, our hands are tied
for what to do on stable. I think the proper solution is for the
ui's behavior to be configurable (possibly via a context manager).
During critical sections like transaction rollback and abort, it
should be possible to suppress errors. But this feature would not
be appropriate on stable.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Tue, 15 Aug 2017 13:04:31 -0700 |
parents | 2fc86d92c4a9 |
children |
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https://bz.mercurial-scm.org/2493 Testing tagging with the EOL extension $ cat >> $HGRCPATH <<EOF > [extensions] > eol = > > [eol] > native = CRLF > EOF setup repository $ hg init repo $ cd repo $ cat > .hgeol <<EOF > [patterns] > ** = native > EOF $ printf "first\r\nsecond\r\nthird\r\n" > a.txt $ hg commit --addremove -m 'checkin' adding .hgeol adding a.txt Tag: $ hg tag 1.0 Rewrite .hgtags file as it would look on a new checkout: $ hg update -q null $ hg update -q Touch .hgtags file again: $ hg tag 2.0 $ cd ..