Mercurial > hg
view tests/test-transaction-safety.t @ 49603:3eda36e9b3d6 stable
matcher: fix issues regex flag contained in pattern (issue6759)
Python 3.11 is now enforcing that flag must be at the beginning of the regex
This creates a serious regression for people using Python 3.11 with an hgignore
using flag in a "relre" pattern.
We now detect any flags in such pattern and "prepend" our ".*" pattern after them.
In addition, we now insert the flag in the regexp to only affect the pattern we
are rewriting. Otherwise, the regex built from the combined pattern would these
flags in the middle of it anyway.
As a side effect of this last change, we fix a bug… before this change regex
flag in a pattern would affect all combined patterns. That was bad and is not
longer the case.
The Rust code needs to be updated to fix that very bug, but we will do it in
another changeset.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Wed, 16 Nov 2022 13:05:01 +0100 |
parents | ebfc315c6077 |
children | cf23a8432f51 |
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Test transaction safety ======================= #testcases revlogv1 revlogv2 changelogv2 #if revlogv1 $ cat << EOF >> $HGRCPATH > [experimental] > revlogv2=no > EOF #endif #if revlogv2 $ cat << EOF >> $HGRCPATH > [experimental] > revlogv2=enable-unstable-format-and-corrupt-my-data > EOF #endif #if changelogv2 $ cat << EOF >> $HGRCPATH > [format] > exp-use-changelog-v2=enable-unstable-format-and-corrupt-my-data > EOF #endif This test basic case to make sure external process do not see transaction content until it is committed. # TODO: also add an external reader accessing revlog files while they are written # (instead of during transaction finalisation) # TODO: also add stream clone and hardlink clone happening during these transaction. setup ----- synchronisation+output script using the following schedule: [A1] "external" is started [A2] "external" waits on EXT_UNLOCK [A2] "external" + creates EXT_WAITING → unlocks [C1] [B1] "hg commit/pull" is started [B2] "hg commit/pull" is ready to be committed [B3] "hg commit/pull" spawn "internal" using a pretxnclose hook (need [C4]) [C1] "internal" waits on EXT_WAITING (need [A2]) [C2] "internal" creates EXT_UNLOCK → unlocks [A2] [C3] "internal" show the tipmost revision (inside of the transaction) [C4] "internal" waits on EXT_DONE (need [A4]) [A3] "external" show the tipmost revision (outside of the transaction) [A4] "external" creates EXT_DONE → unlocks [C4] [C5] "internal" end of execution -> unlock [B3] [B4] "hg commit/pull" transaction is committed on disk $ mkdir sync $ mkdir output $ mkdir script $ HG_TEST_FILE_EXT_WAITING=$TESTTMP/sync/ext_waiting $ export HG_TEST_FILE_EXT_WAITING $ HG_TEST_FILE_EXT_UNLOCK=$TESTTMP/sync/ext_unlock $ export HG_TEST_FILE_EXT_UNLOCK $ HG_TEST_FILE_EXT_DONE=$TESTTMP/sync/ext_done $ export HG_TEST_FILE_EXT_DONE $ cat << EOF > script/external.sh > #!/bin/sh > "$RUNTESTDIR/testlib/wait-on-file" 5 "$HG_TEST_FILE_EXT_UNLOCK" "$HG_TEST_FILE_EXT_WAITING" > hg log --rev 'tip' -T 'external: {rev} {desc}\n' > "$TESTTMP/output/external.out" > touch "$HG_TEST_FILE_EXT_DONE" > EOF $ cat << EOF > script/internal.sh > #!/bin/sh > "$RUNTESTDIR/testlib/wait-on-file" 5 "$HG_TEST_FILE_EXT_WAITING" > touch "$HG_TEST_FILE_EXT_UNLOCK" > hg log --rev 'tip' -T 'internal: {rev} {desc}\n' > "$TESTTMP/output/internal.out" > "$RUNTESTDIR/testlib/wait-on-file" 5 "$HG_TEST_FILE_EXT_DONE" > EOF Automated commands: $ make_one_commit() { > rm -f $TESTTMP/sync/* > rm -f $TESTTMP/output/* > hg log --rev 'tip' -T 'pre-commit: {rev} {desc}\n' > echo x >> a > sh $TESTTMP/script/external.sh & hg commit -m "$1" > cat $TESTTMP/output/external.out > cat $TESTTMP/output/internal.out > hg log --rev 'tip' -T 'post-tr: {rev} {desc}\n' > } $ make_one_pull() { > rm -f $TESTTMP/sync/* > rm -f $TESTTMP/output/* > hg log --rev 'tip' -T 'pre-commit: {rev} {desc}\n' > echo x >> a > sh $TESTTMP/script/external.sh & hg pull ../other-repo/ --rev "$1" --force --quiet > cat $TESTTMP/output/external.out > cat $TESTTMP/output/internal.out > hg log --rev 'tip' -T 'post-tr: {rev} {desc}\n' > } prepare a large source to which to pull from: The source is large to unsure we don't use inline more after the pull $ hg init other-repo $ hg -R other-repo debugbuilddag .+500 prepare an empty repository where to make test: $ hg init repo $ cd repo $ touch a $ hg add a prepare a small extension to controll inline size $ mkdir $TESTTMP/ext $ cat << EOF > $TESTTMP/ext/small_inline.py > from mercurial import revlog > revlog._maxinline = 64 * 100 > EOF $ cat << EOF >> $HGRCPATH > [extensions] > small_inline=$TESTTMP/ext/small_inline.py > [hooks] > pretxnclose = sh $TESTTMP/script/internal.sh > EOF check this is true for the initial commit (inline → inline) ----------------------------------------------------------- the repository should still be inline (for relevant format) $ make_one_commit first pre-commit: -1 external: -1 internal: 0 first post-tr: 0 first #if revlogv1 $ hg debugrevlog -c | grep inline flags : inline #endif check this is true for extra commit (inline → inline) ----------------------------------------------------- the repository should still be inline (for relevant format) #if revlogv1 $ hg debugrevlog -c | grep inline flags : inline #endif $ make_one_commit second pre-commit: 0 first external: 0 first internal: 1 second post-tr: 1 second #if revlogv1 $ hg debugrevlog -c | grep inline flags : inline #endif check this is true for a small pull (inline → inline) ----------------------------------------------------- the repository should still be inline (for relevant format) #if revlogv1 $ hg debugrevlog -c | grep inline flags : inline #endif $ make_one_pull 3 pre-commit: 1 second warning: repository is unrelated external: 1 second internal: 5 r3 post-tr: 5 r3 #if revlogv1 $ hg debugrevlog -c | grep inline flags : inline #endif Make a large pull (inline → no-inline) --------------------------------------- the repository should no longer be inline (for relevant format) #if revlogv1 $ hg debugrevlog -c | grep inline flags : inline #endif $ make_one_pull 400 pre-commit: 5 r3 external: 5 r3 internal: 402 r400 post-tr: 402 r400 #if revlogv1 $ hg debugrevlog -c | grep inline [1] #endif check this is true for extra commit (no-inline → no-inline) ----------------------------------------------------------- the repository should no longer be inline (for relevant format) #if revlogv1 $ hg debugrevlog -c | grep inline [1] #endif $ make_one_commit third pre-commit: 402 r400 external: 402 r400 internal: 403 third post-tr: 403 third #if revlogv1 $ hg debugrevlog -c | grep inline [1] #endif Make a pull (not-inline → no-inline) ------------------------------------- the repository should no longer be inline (for relevant format) #if revlogv1 $ hg debugrevlog -c | grep inline [1] #endif $ make_one_pull tip pre-commit: 403 third external: 403 third internal: 503 r500 post-tr: 503 r500 #if revlogv1 $ hg debugrevlog -c | grep inline [1] #endif