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[Console] Fixes "Incorrectly nested style tag found" error when using multi-line header content#46114
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[Console] Fixes "Incorrectly nested style tag found" error when using multi-line header content#46114
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carsonbot commentedApr 19, 2022
Hey! I see that this is your first PR. That is great! Welcome! Symfony has acontribution guide which I suggest you to read. In short:
Review the GitHub status checks of your pull request and try to solve the reported issues. If some tests are failing, try to see if they are failing because of this change. When two Symfony core team members approve this change, it will be merged and you will become an official Symfony contributor! I am going to sit back now and wait for the reviews. Cheers! Carsonbot |
stof commentedApr 19, 2022
I changed the target branch to 6.1 as that's what your branch is currently based on, allowing to have a clean diff. The expected target of the bugfix (which will require rebasing the git branch, not only editing the PR metadata) is either 4.4 or 5.4 (depending on whether 4.4 is affected, which is probably the case as you said that this code hasn't changed since 2017). But there is no chance that the lowest affected version is 6.0 |
Perturbatio commentedApr 19, 2022
Yeah, I think I'm misunderstanding where to branch from , It's not difficult to create a patch for this since it's such a tiny change. Is there a branch Ishould be creating this from to PR into? |
stof commentedApr 19, 2022
@Perturbatio if the lowest affected maintained version is 4.4 (which is likely the case for this bug), the fix needs to be applied to 4.4. The easiest for that is to create your branch directly from the 4.4 branch. But you can still change that after the fact with a rebase. Seehttps://symfony.com/doc/current/contributing/code/pull_requests.html#rebase-your-pull-request (be careful about the last step requiring a force push, not a merge of the upstream feature branch, which is a common mistake done when following that doc not carefully) |
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Perturbatio commentedApr 20, 2022 • edited
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edited
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@stof The current set of failing tests (TextDescriptorTest) pass locally, but in GitHub (only in |
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Please revert all unrelated CS changes, so that the PR is focused on one topic.
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… multi-line header content
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(I reverted the not-needed CS changes)
nicolas-grekas commentedMay 14, 2022
Thank you@Perturbatio. |
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This is intended to fix a bug identified as a result of usage in a separate package (hotmeteor/spectator#69 andhotmeteor/spectator#90).
When a multi-line string is provided in the headers the Table helper produces content that cannot be rendered correctly.
in
src/Symfony/Component/Console/Helper/Table.phpthere's a line$lines = explode("\n", str_replace("\n", "<fg=default;bg=default>\n</>", $cell))the exact line version varies between package versions, but this hasn't changed since 2017.What this seems to do when you pass a multi line terminal string is wrap the newlines in a default style tag, presumably to try to force a reset.
But what happens in the headers is that it splits it so that each line after the first starts with the close tag and ends with the open, resulting in the incorrect nesting error. All this does is shift the newline character to after the reset style tag. A side-effect of this is that it appears to now pad out the content of the
compactandborderlessstyles in a manner which (to me) appears to be the intended output i.e. spaces padded out to the full table width.