forked from https://github.com/symfony/symfony
9ce27da407
This PR was merged into the 3.4 branch.
Discussion
----------
[Intl] Add FallbackTrait for data generation
| Q | A
| ------------- | ---
| Branch? | 3.4
| Bug fix? | yes
| New feature? | no
| BC breaks? | no <!-- see https://symfony.com/bc -->
| Deprecations? | no
| Tests pass? | yes <!-- please add some, will be required by reviewers -->
| Fixed tickets | #... <!-- #-prefixed issue number(s), if any -->
| License | MIT
| Doc PR | symfony/symfony-docs#... <!-- required for new features -->
This is the last architectural change for the Intl data compilation. Promised.
It fixes de-duplicating a locale from its fallback locale. The problem is it uses a while-loop, comparing the locale to each fallback locale.
Given
- `root` (val=A)
- `ur` (val=B)
- `ur_IN` (val=A)
We have an edge case where a locale (ur_IN) override its fallback locale (ur), setting/restoring the value back to the root locale. This happens for the GMT format in the timezone bundle i know of ... in this case the `ur_IN` locale needs to write its own value.
The current approach is a while-loop comparing each fallback locale (ur, root) to the current locale (ur_IN). Eventually comparing `ur_IN <> root`, which causes a wrong diff, as such `ur_IN` falls back to `ur` providing the wrong value (val=B, where val=A is expected).
The new approach uses recursion so we only compare `ur <> ur_IN`, where `ur_IN` on itself is compared to `root`.
4.2) https://github.com/ro0NL/symfony/commit/e24d8e6
4.3) https://github.com/ro0NL/symfony/commit/31591d0
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| LICENSE | ||
| README.md | ||
| UPGRADE-3.0.md | ||
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README.md
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