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30 lines
1.3 KiB
Plaintext
30 lines
1.3 KiB
Plaintext
{- This file provides a central `Prelude` import for the rest of the library to
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use so that the integrity check only needs to be updated in one place
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whenever upgrading the interpreter.
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This allows the user to provide their own Prelude import using the
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`DHALL_PRELUDE` environment variable, like this:
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```
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$ export DHALL_PRELUDE='https://prelude.dhall-lang.org/package.dhall sha256:...'
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```
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Note that overriding the Prelude in this way only works if this repository
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is imported locally. Remote imports do not have access to environment
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variables and any attempt to import one will fall back to the next available
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import. To learn more, read:
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* https://github.com/dhall-lang/dhall-lang/wiki/Safety-guarantees#cross-site-scripting-xss
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This file also provides an import without the integrity check as a slower
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fallback if the user is using a different version of the Dhall interpreter.
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This pattern is documented in the dhall-nethack repo:
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* https://github.com/dhall-lang/dhall-nethack/blob/master/Prelude.dhall
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-}
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env:DHALL_PRELUDE
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? https://raw.githubusercontent.com/dhall-lang/dhall-lang/v17.0.0/Prelude/package.dhall sha256:10db3c919c25e9046833df897a8ffe2701dc390fa0893d958c3430524be5a43e
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? https://raw.githubusercontent.com/dhall-lang/dhall-lang/v17.0.0/Prelude/package.dhall
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