2022-09-30 05:27:48 +00:00
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#!/bin/sh
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# !! KEEP THIS SCRIPT POSIX COMPLIANT !!
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2022-09-21 16:00:48 +00:00
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# see https://docs.haskellstack.org/en/stable/yaml_configuration/#ghc-installation-customisation-experimental
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# for documentation about hooks
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2022-09-30 05:27:48 +00:00
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set -eu
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2022-09-21 16:00:48 +00:00
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case $HOOK_GHC_TYPE in
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bindist)
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2023-11-06 10:23:02 +00:00
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ghc_path=$(ghcup whereis ghc "$HOOK_GHC_VERSION" || { ghcup install ghc "$HOOK_GHC_VERSION" >/dev/null && ghcup whereis ghc "$HOOK_GHC_VERSION" ; }) || { >&2 echo "Installing $HOOK_GHC_VERSION via ghcup failed" exit 3 ;}
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printf "%s" "${ghc_path}"
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2022-09-21 16:00:48 +00:00
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;;
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git)
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# TODO: should be somewhat possible
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>&2 echo "Hook doesn't support installing from source"
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exit 1
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;;
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*)
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>&2 echo "Unsupported GHC installation type: $HOOK_GHC_TYPE"
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exit 2
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;;
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esac
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