Mercurial > hg
annotate tests/test-largefiles-small-disk.t @ 38679:b3d0c97a0820
rebase: in --confirm option just abort if hit a conflict
Before this patch, it was prompting the user in both cases 1) when
there is no conflict 2) when there is at least one conflict. But
for simplicity we can just abort if we hit a conflict and no need to
prompt in that case.
Differential Revision: https://phab.mercurial-scm.org/D3944
author | Sushil khanchi <sushilkhanchi97@gmail.com> |
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date | Sat, 14 Jul 2018 08:59:42 +0530 |
parents | 556984ae0005 |
children | c70bdd222dcd |
rev | line source |
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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 > from __future__ import absolute_import |
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5 > import errno |
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6 > import os |
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7 > import shutil |
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8 > from mercurial import util |
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9 > # |
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10 > # this makes the original largefiles code abort: |
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11 > _origcopyfileobj = shutil.copyfileobj |
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12 > def copyfileobj(fsrc, fdst, length=16*1024): |
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13 > # allow journal files (used by transaction) to be written |
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14 > if b'journal.' in fdst.name: |
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15 > return _origcopyfileobj(fsrc, fdst, length) |
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16 > fdst.write(fsrc.read(4)) |
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17 > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC)) |
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18 > shutil.copyfileobj = copyfileobj |
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19 > # |
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20 > # this makes the rewritten code abort: |
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21 > def filechunkiter(f, size=131072, limit=None): |
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22 > yield f.read(4) |
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23 > raise IOError(errno.ENOSPC, os.strerror(errno.ENOSPC)) |
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24 > util.filechunkiter = filechunkiter |
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25 > # |
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26 > def oslink(src, dest): |
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27 > raise OSError("no hardlinks, try copying instead") |
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28 > util.oslink = oslink |
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29 > EOF |
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30 |
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31 $ echo "[extensions]" >> $HGRCPATH |
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32 $ echo "largefiles =" >> $HGRCPATH |
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33 |
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34 $ hg init alice |
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35 $ cd alice |
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36 $ echo "this is a very big file" > big |
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37 $ hg add --large big |
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38 $ hg commit --config extensions.criple=$TESTTMP/criple.py -m big |
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39 abort: No space left on device |
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40 [255] |
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41 |
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42 The largefile is not created in .hg/largefiles: |
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43 |
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44 $ ls .hg/largefiles |
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45 dirstate |
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46 |
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47 The user cache is not even created: |
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48 |
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49 >>> import os; os.path.exists("$HOME/.cache/largefiles/") |
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50 False |
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51 |
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52 Make the commit with space on the device: |
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53 |
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54 $ hg commit -m big |
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55 |
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56 Now make a clone with a full disk, and make sure lfutil.link function |
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57 makes copies instead of hardlinks: |
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58 |
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59 $ cd .. |
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60 $ hg --config extensions.criple=$TESTTMP/criple.py clone --pull alice bob |
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61 requesting all changes |
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62 adding changesets |
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63 adding manifests |
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64 adding file changes |
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65 added 1 changesets with 1 changes to 1 files |
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66 new changesets 390cf214e9ac |
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67 updating to branch default |
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68 getting changed largefiles |
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69 abort: No space left on device |
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70 [255] |
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71 |
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72 The largefile is not created in .hg/largefiles: |
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73 |
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74 $ ls bob/.hg/largefiles |
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75 dirstate |