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[Process] intersect with getenv() in case-insensitive manner to get default envs #44261

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stable-staple
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@stable-staple stable-staple commented Nov 24, 2021

Q A
Branch? 4.4
Bug fix? yes
New feature? no
Deprecations? no
Tickets Fix #44260
License MIT
Doc PR

Since environment variables are case-insensitive in Windows, all envs should be compared in case-insensitive manner.

@carsonbot
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Hey!

I see that this is your first PR. That is great! Welcome!

Symfony has a contribution guide which I suggest you to read.

In short:

  • Always add tests
  • Keep backward compatibility (see https://symfony.com/bc).
  • Bug fixes must be submitted against the lowest maintained branch where they apply (see https://symfony.com/releases)
  • Features and deprecations must be submitted against the 5.4 branch.

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!
If this PR is merged in a lower version branch, it will be merged up to all maintained branches within a few days.

I am going to sit back now and wait for the reviews.

Cheers!

Carsonbot

@stable-staple stable-staple changed the base branch from 5.4 to 4.4 November 24, 2021 22:39
@nicolas-grekas nicolas-grekas changed the title [Process] intersect with getenv() in case-insensitive manner to get d… [Process] intersect with getenv() in case-insensitive manner to get default envs Nov 25, 2021
@nicolas-grekas nicolas-grekas modified the milestones: 5.4, 4.4 Nov 25, 2021
@nicolas-grekas nicolas-grekas force-pushed the proc-getenv-caseinsensitive branch from cba3bb2 to 72d0204 Compare November 25, 2021 10:24
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Thanks for spotting and submitting this!
I updated the patch a bit to make it Windows-specific and add similar logic in other places that needed it.

@stof
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stof commented Nov 25, 2021

is it possible to add tests covering this to avoid regressions ?

@nicolas-grekas nicolas-grekas force-pushed the proc-getenv-caseinsensitive branch from 72d0204 to ca64e23 Compare November 28, 2021 14:43
…efault envs

- since environment variables are case-insensitive in Windows,
  all envs should be compared in case-insensitive manner
@nicolas-grekas nicolas-grekas force-pushed the proc-getenv-caseinsensitive branch from ca64e23 to d78bc24 Compare November 28, 2021 14:52
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I added a test case.

@nicolas-grekas
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Thank you @stable-staple.

@nicolas-grekas nicolas-grekas merged commit f86c557 into symfony:4.4 Nov 28, 2021
@stable-staple stable-staple deleted the proc-getenv-caseinsensitive branch November 28, 2021 21:08
This was referenced Nov 29, 2021
This was referenced Dec 29, 2021
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[Process] Windows REG utility not recognized as an internal or external command
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