Mercurial > hg
annotate tests/test-transaction-rollback-on-sigpipe.t @ 46197:2607a9346398
branchmap: micro-optimize branchinfo
changelogrevision() is supposed to be used if not all data of
changelog.read is used. This is the case here as only the extra field is
used. This also improves extensibility as at least hgext.git doesn't
implement changelog.read.
Differential Revision: https://phab.mercurial-scm.org/D9626
author | Joerg Sonnenberger <joerg@bec.de> |
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date | Thu, 17 Dec 2020 13:29:50 +0100 |
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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