Mercurial > hg
changeset 18213:c38a62af000e
vfs: add a read only vfs
This read only wrapper is intended to be used bundle repo. See follow up commit
for details.
| author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
|---|---|
| date | Fri, 04 Jan 2013 01:07:25 +0100 |
| parents | 493778b5fe9f |
| children | cd4c75200206 |
| files | mercurial/scmutil.py |
| diffstat | 1 files changed, 12 insertions(+), 0 deletions(-) [+] |
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--- a/mercurial/scmutil.py Sat Dec 22 19:41:11 2012 +0100 +++ b/mercurial/scmutil.py Fri Jan 04 01:07:25 2013 +0100 @@ -382,6 +382,18 @@ filteropener = filtervfs +class readonlyvfs(abstractvfs, auditvfs): + '''Wrapper vfs preventing any writing.''' + + def __init__(self, vfs): + auditvfs.__init__(self, vfs) + + def __call__(self, path, mode='r', *args, **kw): + if mode not in ('r', 'rb'): + raise util.Abort('this vfs is read only') + return self.vfs(path, mode, *args, **kw) + + def canonpath(root, cwd, myname, auditor=None): '''return the canonical path of myname, given cwd and root''' if util.endswithsep(root):