[tests] Add mechanism to override lit environment #27560
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lit runs its tests with only the environment variables set up by its configuration, which is great for repeatability, but sometimes you want to allow a few controlled leaks. With this change, you can now specify “--param copy_env=FOO:BAR:BAZ” to cause the environment variables FOO, BAR, and BAZ to be visible in lit tests during that run.
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@swift-ci please smoke test |
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Linux failure looks unrelated; I'm hoping it's intermittent. @swift-ci please smoke test linux platform |
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Linux PR testing has been broken since a few days, it should be fixed by swiftlang/swift-corelibs-foundation#2532 when merged. |
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@swift-ci please smoke test |
Unfortunately 2532 also fails to test, so I'm not sure where that puts us right now. |
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@swift-ci please smoke test linux platform |
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@swift-ci please smoke test linux platform |
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lit runs its tests with only the environment variables set up by its configuration, which is great for repeatability, but sometimes you want to allow a few controlled leaks. With this change, you can now specify
--param copy_env=FOO:BAR:BAZto cause the environment variablesFOO,BAR, andBAZto be visible in lit tests during that run.