Work around `hg` echoing warnings to stdout under --debug
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Authored by epriestley on Dec 18 2013, 1:41 AM.

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asherkin
btrahan

Maniphest Tasks

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T4237: Add "bin/repository prune" to destroy orphaned commits

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rPb0f7e7a6af2d: Work around `hg` echoing warnings to stdout under --debug

Summary

Ref T615. Ref T4237. With --debug, Mercurial will echo an "ignoring untrusted configuration option" warning to stdout if .hgrc has the wrong owner.

However, we need --debug to make {parents} usable, at least until the patches I got into the upstream are widely deployed. So after getting --debug output, strip off any leading warnings.

These warnings should always be in English, at least, since we set LANG explicitly.

Test Plan

Unit tests. @asherkin, maybe you can confirm this? I can't actually get the warning, but I think my hg in PATH is just a bit out of date.

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debug

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Event Timeline

Afraid this didn't work, although I think it did cut out one case (I only see 2 phantom commits, rather than the previous 4, but the branches box is still erroring).

Failed to parse 'hg branches' output: ignoring untrusted configuration option hooks.pretxnchangegroup.phabricator = '/var/www/phabricator/phabricator/bin/commit-hook' 'GW' 'pretxnchangegroup'