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annotate tests/test-largefiles-small-disk.t @ 18426:01638b51df44

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hgweb: ignore filtered revision in revnav This changeset checks that a revision is known before adding it to the navigation. This will prevent traceback on filtered repository. This changeset result in an incorrect behaviors, Navigation link may be dropped without any replacement. However this bad navigation generation is much better than a crash
author Pierre-Yves David <pierre-yves.david@logilab.fr>
date Wed, 16 Jan 2013 14:19:28 +0100
parents 0d91211dd12f
children c9db897d5a43
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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809788118aa2 largefiles: write .hg/largefiles/ files atomically
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1 Test how largefiles abort in case the disk runs full
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2
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3 $ cat > criple.py <<EOF
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4 > import os, errno, shutil
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5 > from mercurial import util
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6 > #
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7 > # this makes the original largefiles code abort:
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8 > def copyfileobj(fsrc, fdst, length=16*1024):
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9 > fdst.write(fsrc.read(4))
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10 > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC))
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11 > shutil.copyfileobj = copyfileobj
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12 > #
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13 > # this makes the rewritten code abort:
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14 > def filechunkiter(f, size=65536, limit=None):
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15 > yield f.read(4)
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16 > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC))
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17 > util.filechunkiter = filechunkiter
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18 > #
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19 > def oslink(src, dest):
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20 > raise OSError("no hardlinks, try copying instead")
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21 > util.oslink = oslink
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22 > EOF
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23
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24 $ echo "[extensions]" >> $HGRCPATH
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25 $ echo "largefiles =" >> $HGRCPATH
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26
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27 $ hg init alice
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28 $ cd alice
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29 $ echo "this is a very big file" > big
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30 $ hg add --large big
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31 $ hg commit --config extensions.criple=$TESTTMP/criple.py -m big
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32 abort: No space left on device
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33 [255]
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34
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35 The largefile is not created in .hg/largefiles:
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36
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37 $ ls .hg/largefiles
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38 dirstate
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39
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40 The user cache is not even created:
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41
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42 >>> import os; os.path.exists("$HOME/.cache/largefiles/")
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43 False
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44
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45 Make the commit with space on the device:
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46
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47 $ hg commit -m big
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48
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49 Now make a clone with a full disk, and make sure lfutil.link function
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50 makes copies instead of hardlinks:
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51
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52 $ cd ..
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53 $ hg --config extensions.criple=$TESTTMP/criple.py clone --pull alice bob
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54 requesting all changes
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55 adding changesets
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56 adding manifests
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57 adding file changes
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58 added 1 changesets with 1 changes to 1 files
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59 updating to branch default
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60 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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61 getting changed largefiles
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62 abort: No space left on device
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63 [255]
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64
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65 The largefile is not created in .hg/largefiles:
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66
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67 $ ls bob/.hg/largefiles