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from mercurial import context
from mercurial.i18n import _
'''
[extensions]
hgfilesize=~/m5/incoming/util/hgfilesize.py
[hooks]
pretxncommit = python:hgfilesize.limit_file_size
pretxnchangegroup = python:hgfilesize.limit_file_size
[limit_file_size]
maximum_file_size = 200000
'''
def limit_file_size(ui, repo, node=None, **kwargs):
'''forbid files over a given size'''
# default limit is 1 MB
limit = int(ui.config('limit_file_size', 'maximum_file_size', 1024*1024))
existing_tip = context.changectx(repo, node).rev()
new_tip = context.changectx(repo, 'tip').rev()
for rev in xrange(existing_tip, new_tip + 1):
ctx = context.changectx(repo, rev)
for f in ctx.files():
if f not in ctx:
continue
fctx = ctx.filectx(f)
if fctx.size() > limit:
ui.write(_('file %s of %s is too large: %d > %d\n') % \
(f, ctx, fctx.size(), limit))
return True # This is invalid
return False # Things are OK.
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