Mercurial > hg
annotate tests/test-transaction-rollback-on-sigpipe.t @ 46103:3f82a915ab2a
histedit: tweak `edit` message to try and guide users to our workflow
histedit predates evolve, so it drops you on an _uncommitted_ version
of the commit you're amending/splitting, which is in contrast to git
which expects you to use `git commit --amend` (I think - I'm basing
this on internal bug reports). My hope is that this output will guide
users a little more towards the expected workflow.
Differential Revision: https://phab.mercurial-scm.org/D9560
author | Augie Fackler <augie@google.com> |
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date | Thu, 10 Dec 2020 11:42:49 -0500 |
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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