Mercurial > hg
annotate tests/test-transaction-rollback-on-sigpipe.t @ 46858:85e3a630cad9
revlog: move the details of revlog "v2" index inside revlog.utils.constants
the revlog module is quite large and this kind of format information would handy
for other module. So let us start to gather this information about the format in
a more appropriate place.
We update various reference to this information to use the new "source of truth"
in the process.
Differential Revision: https://phab.mercurial-scm.org/D10305
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 05 Apr 2021 12:21:12 +0200 |
parents | b713e4cae2d7 |
children | 77e73827a02d |
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test: add test-transaction-rollback-on-sigpipe.t demonstrating py3 regression
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1 Test that, when an hg push is interrupted and the remote side recieves 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 -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" -q ssh://user@dummy/`pwd`/remote local |
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6 |
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7 $ check_for_abandoned_transaction() { |
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8 > [ -f $TESTTMP/remote/.hg/store/journal ] && echo "Abandoned transaction!" |
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9 > } |
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10 |
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11 $ pidfile=`pwd`/pidfile |
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12 $ >$pidfile |
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13 |
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14 $ script() { |
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15 > cat >"$1" |
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16 > chmod +x "$1" |
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17 > } |
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18 |
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19 On the remote end, run hg, piping stdout and stderr through processes that we |
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20 know the PIDs of. We will later kill these to simulate an ssh client |
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21 disconnecting. |
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22 |
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23 $ killable_pipe=`pwd`/killable_pipe.sh |
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24 $ script $killable_pipe <<EOF |
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25 > #!/bin/bash |
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26 > echo \$\$ >> $pidfile |
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27 > exec cat |
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28 > EOF |
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29 |
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30 $ remotecmd=`pwd`/remotecmd.sh |
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31 $ script $remotecmd <<EOF |
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32 > #!/bin/bash |
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33 > hg "\$@" 1> >($killable_pipe) 2> >($killable_pipe >&2) |
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34 > EOF |
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35 |
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36 In the pretxnchangegroup hook, kill the PIDs recorded above to simulate ssh |
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37 disconnecting. Then exit nonzero, to force a transaction rollback. |
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38 |
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39 $ hook_script=`pwd`/pretxnchangegroup.sh |
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40 $ script $hook_script <<EOF |
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41 > #!/bin/bash |
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42 > for pid in \$(cat $pidfile) ; do |
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43 > kill \$pid |
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44 > while kill -0 \$pid 2>/dev/null ; do |
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45 > sleep 0.1 |
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46 > done |
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47 > done |
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48 > exit 1 |
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49 > EOF |
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50 |
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51 $ cat >remote/.hg/hgrc <<EOF |
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52 > [hooks] |
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53 > pretxnchangegroup.break-things=$hook_script |
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54 > EOF |
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55 |
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56 $ cd local |
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57 $ echo foo > foo ; hg commit -qAm "commit" |
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58 $ hg push -q -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" --remotecmd $remotecmd 2>&1 | grep -v $killable_pipe |
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59 abort: stream ended unexpectedly (got 0 bytes, expected 4) |
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60 |
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61 $ check_for_abandoned_transaction |
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