Mercurial > hg > mercurial-source
changeset 32738:b445a3f00528
stdio: add machinery to identify failed stdout/stderr writes
Mercurial currently fails to notice failures to write to stdout or
stderr. A correctly functioning command line tool should detect
this and exit with an error code.
To achieve this, we need a little extra plumbing, which we start
adding here.
author | Bryan O'Sullivan <bryano@fb.com> |
---|---|
date | Tue, 11 Apr 2017 14:54:12 -0700 |
parents | de5c9d0e02ea |
children | 71dcd4a4fa2f |
files | mercurial/error.py |
diffstat | 1 files changed, 6 insertions(+), 0 deletions(-) [+] |
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line diff
--- a/mercurial/error.py +++ b/mercurial/error.py @@ -122,6 +122,12 @@ class RequirementError(RepoError): """Exception raised if .hg/requires has an unknown entry.""" +class StdioError(IOError): + """Raised if I/O to stdout or stderr fails""" + + def __init__(self, err): + IOError.__init__(self, err.errno, err.strerror) + class UnsupportedMergeRecords(Abort): def __init__(self, recordtypes): from .i18n import _