Mercurial > hg
annotate tests/test-transaction-rollback-on-sigpipe.t @ 48520:791f5d5f7a96
hg-core: dedup LazyAncestors Iterator impl
… Which has been moved to the vcsgraph crate.
AncestorsIterator cannot yet be removed because it is still being used in
hg-core.
Differential Revision: https://phab.mercurial-scm.org/D11948
author | pacien <pacien.trangirard@pacien.net> |
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date | Fri, 10 Dec 2021 16:25:02 +0100 |
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1 Test that, when an hg push is interrupted and the remote side receives SIGPIPE, |
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2 the remote hg is able to successfully roll back the transaction. |
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3 |
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4 $ hg init -q remote |
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5 $ hg clone -q ssh://user@dummy/`pwd`/remote local |
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6 $ SIGPIPE_REMOTE_DEBUG_FILE="$TESTTMP/DEBUGFILE" |
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7 $ SYNCFILE1="$TESTTMP/SYNCFILE1" |
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8 $ SYNCFILE2="$TESTTMP/SYNCFILE2" |
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9 $ export SIGPIPE_REMOTE_DEBUG_FILE |
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10 $ export SYNCFILE1 |
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11 $ export SYNCFILE2 |
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12 $ PYTHONUNBUFFERED=1 |
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13 $ export PYTHONUNBUFFERED |
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14 |
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15 On the remote end, run hg, piping stdout and stderr through processes that we |
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16 know the PIDs of. We will later kill these to simulate an ssh client |
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17 disconnecting. |
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18 |
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19 $ remotecmd="$RUNTESTDIR/testlib/sigpipe-remote.py" |
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20 |
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21 In the pretxnchangegroup hook, kill the PIDs recorded above to simulate ssh |
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22 disconnecting. Then exit nonzero, to force a transaction rollback. |
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23 |
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24 |
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25 $ cat >remote/.hg/hgrc <<EOF |
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26 > [hooks] |
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27 > pretxnchangegroup.00-break-things=sh "$RUNTESTDIR/testlib/wait-on-file" 10 "$SYNCFILE2" "$SYNCFILE1" |
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28 > pretxnchangegroup.01-output-things=echo "some remote output to be forward to the closed pipe" |
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29 > pretxnchangegroup.02-output-things=echo "some more remote output" |
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30 > EOF |
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31 |
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32 $ hg --cwd ./remote tip -T '{node|short}\n' |
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33 000000000000 |
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34 $ cd local |
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35 $ echo foo > foo ; hg commit -qAm "commit" |
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36 |
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37 (use quiet to avoid flacky output from the server) |
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38 |
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39 $ hg push --quiet --remotecmd "$remotecmd" |
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40 abort: stream ended unexpectedly (got 0 bytes, expected 4) |
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41 [255] |
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42 $ cat $SIGPIPE_REMOTE_DEBUG_FILE |
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43 SIGPIPE-HELPER: Starting |
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44 SIGPIPE-HELPER: Redirection in place |
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45 SIGPIPE-HELPER: pipes closed in main |
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46 SIGPIPE-HELPER: SYNCFILE1 detected |
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47 SIGPIPE-HELPER: worker killed |
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48 SIGPIPE-HELPER: creating SYNCFILE2 |
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49 SIGPIPE-HELPER: Shutting down |
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50 SIGPIPE-HELPER: Server process terminated with status 255 (no-windows !) |
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51 SIGPIPE-HELPER: Server process terminated with status 1 (windows !) |
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52 SIGPIPE-HELPER: Shut down |
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53 |
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54 The remote should be left in a good state |
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55 $ hg --cwd ../remote tip -T '{node|short}\n' |
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56 000000000000 |
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57 |
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58 #if windows |
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59 |
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60 XXX-Windows Broken behavior to be fixed |
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61 |
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62 Behavior on Windows is broken and should be fixed. However this is a fairly |
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63 corner case situation and no data are being corrupted. This would affect |
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64 central repository being hosted on a Windows machine and accessed using ssh. |
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65 |
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66 This was catch as we setup new CI for Windows. Making the test pass on Windows |
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67 was enough of a pain that fixing the behavior set aside for now. Dear and |
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68 honorable reader, feel free to fix it. |
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69 |
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70 $ hg --cwd ../remote recover |
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71 rolling back interrupted transaction |
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72 (verify step skipped, run `hg verify` to check your repository content) |
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73 |
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74 #else |
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75 |
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76 $ hg --cwd ../remote recover |
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77 no interrupted transaction available |
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78 [1] |
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79 |
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80 #endif |