annotate tests/test-largefiles-small-disk.t @ 18849:b4ddc43ddf9d

bookmarks.updatefromremote: rename local rb to remotemarks This local will become a parameter in an upcoming patch, so give it a more descriptive name. The name stays similar to the existing localmarks.
author Siddharth Agarwal <sid0@fb.com>
date Fri, 29 Mar 2013 18:28:59 -0700
parents c9db897d5a43
children 8a021cd38719
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 getting changed largefiles
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61 abort: No space left on device
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62 [255]
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63
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64 The largefile is not created in .hg/largefiles:
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65
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66 $ ls bob/.hg/largefiles