🐛 Fix adding appended list directly causing changing previous value

[yongxiu]

• Added new unit test to cover this case, original this test case will fail.

What this PR does / why we need it:

Original paths will use appended list directly, this works fine when there is fewer recursion, or there is only one for loop for the diff, but if there are multiple loop, second loop would override the first added array.
Thus I'm creating a new tmp array to do a deepcopy, then add this appended value into allPaths.

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[linux-foundation-easycla]

The committers are authorized under a signed CLA.

• ✅ yongxiu (d5f7500, 67b0ee3)

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[k8s-ci-robot]

Hi @yongxiu. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[yongxiu]

/check-cla

[sbueringer]

Nice finding, thx!

[sbueringer]

@yongxiu Thx!

If you want you can already squash the commits (they have to be squashed at the latest before merge)

lgtm pending squash

/ok-to-test

[yongxiu]

I signed it

[sbueringer]

/check-cla

[yongxiu]

/check-cla

[yongxiu]

/check-cla

[yongxiu]

@sbueringer I suppose I can "squash and merge", right? Or I need to squash on my side first, then merge?

[sbueringer]

@sbueringer I suppose I can "squash and merge", right? Or I need to squash on my side first, then merge?

You have to squash and push --force the commits on your side (not sure if that answers the question :))

[yongxiu]

done, please take another look, thanks.

[sbueringer]

@yongxiu Looks good, thx!

/lgtm

/assign @fabriziopandini

[yongxiu]

Any updates for this PR?

[sbueringer]

@fabriziopandini @vincepri
If one you has some bandwidth, would be nice to get this bugfix merged.

[fabriziopandini]

/lgtm
/approve

/cherry-pick release-1.0

[k8s-infra-cherrypick-robot]

@fabriziopandini: once the present PR merges, I will cherry-pick it on top of release-1.0 in a new PR and assign it to you.

In response to this:

/lgtm
/approve

/cherry-pick release-1.0

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fabriziopandini

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[k8s-infra-cherrypick-robot]

@fabriziopandini: new pull request created: #5765

In response to this:

/lgtm
/approve

/cherry-pick release-1.0

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