Mercurial > public > mercurial-scm > hg-stable
comparison mercurial/cmdutil.py @ 32572:447bbd970047
cmdutil: extract function checking if pattern should be taken as stdin/out
This will be used in commands.cat().
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Thu, 25 May 2017 21:28:08 +0900 |
| parents | 2dd8d4108249 |
| children | f4cd4c49e302 |
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| 32571:2dd8d4108249 | 32572:447bbd970047 |
|---|---|
| 608 return ''.join(newname) | 608 return ''.join(newname) |
| 609 except KeyError as inst: | 609 except KeyError as inst: |
| 610 raise error.Abort(_("invalid format spec '%%%s' in output filename") % | 610 raise error.Abort(_("invalid format spec '%%%s' in output filename") % |
| 611 inst.args[0]) | 611 inst.args[0]) |
| 612 | 612 |
| 613 def isstdiofilename(pat): | |
| 614 """True if the given pat looks like a filename denoting stdin/stdout""" | |
| 615 return not pat or pat == '-' | |
| 616 | |
| 613 class _unclosablefile(object): | 617 class _unclosablefile(object): |
| 614 def __init__(self, fp): | 618 def __init__(self, fp): |
| 615 self._fp = fp | 619 self._fp = fp |
| 616 | 620 |
| 617 def close(self): | 621 def close(self): |
| 633 seqno=None, revwidth=None, mode='wb', modemap=None, | 637 seqno=None, revwidth=None, mode='wb', modemap=None, |
| 634 pathname=None): | 638 pathname=None): |
| 635 | 639 |
| 636 writable = mode not in ('r', 'rb') | 640 writable = mode not in ('r', 'rb') |
| 637 | 641 |
| 638 if not pat or pat == '-': | 642 if isstdiofilename(pat): |
| 639 if writable: | 643 if writable: |
| 640 fp = repo.ui.fout | 644 fp = repo.ui.fout |
| 641 else: | 645 else: |
| 642 fp = repo.ui.fin | 646 fp = repo.ui.fin |
| 643 return _unclosablefile(fp) | 647 return _unclosablefile(fp) |