Mercurial > hg
view tests/test-largefiles-small-disk.t @ 18969:257afe5489d4
largefiles: improve repo wrapping detection
Before this patch, repo wrapping detection in "reposetup()" of
largefiles can detect only limited repo wrapping: replacing target
functions by another one named as "wrap".
So, it can't detect repo wrapping even in recommended style: replacing
"__class__" of repo by derived class.
This patch can detect repo wrapping in both styles below:
- replacing "__class__" of repo by derived class (recommended style):
class derived(repo.__class__):
def push(self, *args, **kwargs):
return super(derived, self).push(*args, **kwargs)
repo.__class__ = derived
- replacing function of repo by another one (not recommended style):
orgpush = repo.push
def push(*args, **kwargs):
return orgpush(*args, **kwargs)
repo.push = push
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Wed, 10 Apr 2013 02:27:35 +0900 |
parents | c9db897d5a43 |
children | 8a021cd38719 |
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Test how largefiles abort in case the disk runs full $ cat > criple.py <<EOF > import os, errno, shutil > from mercurial import util > # > # this makes the original largefiles code abort: > def copyfileobj(fsrc, fdst, length=16*1024): > fdst.write(fsrc.read(4)) > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC)) > shutil.copyfileobj = copyfileobj > # > # this makes the rewritten code abort: > def filechunkiter(f, size=65536, limit=None): > yield f.read(4) > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC)) > util.filechunkiter = filechunkiter > # > def oslink(src, dest): > raise OSError("no hardlinks, try copying instead") > util.oslink = oslink > EOF $ echo "[extensions]" >> $HGRCPATH $ echo "largefiles =" >> $HGRCPATH $ hg init alice $ cd alice $ echo "this is a very big file" > big $ hg add --large big $ hg commit --config extensions.criple=$TESTTMP/criple.py -m big abort: No space left on device [255] The largefile is not created in .hg/largefiles: $ ls .hg/largefiles dirstate The user cache is not even created: >>> import os; os.path.exists("$HOME/.cache/largefiles/") False Make the commit with space on the device: $ hg commit -m big Now make a clone with a full disk, and make sure lfutil.link function makes copies instead of hardlinks: $ cd .. $ hg --config extensions.criple=$TESTTMP/criple.py clone --pull alice bob requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files updating to branch default getting changed largefiles abort: No space left on device [255] The largefile is not created in .hg/largefiles: $ ls bob/.hg/largefiles