42 lines
1.7 KiB
Bash
42 lines
1.7 KiB
Bash
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#!/bin/bash
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set -euo pipefail
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DEBIAN_FRONTEND=noninteractive
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# System deps (already installed via cloud-init but idempotent)
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apt-get update -qq
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apt-get install -y -qq build-essential curl git \
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libgmp-dev libffi-dev zlib1g-dev libncurses-dev libtinfo-dev pkg-config
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# GHCup — non-interactive bootstrap
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# Primary version (9.8.4) is the default; secondary (9.6.6) covers LTS 22/23.
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# Skip Stack (cabal covers 95% of projects) and HLS (saves ~2 GB image size).
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GHC_PRIMARY="${GHC_PRIMARY_VERSION:-9.8.4}"
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GHC_SECONDARY="${GHC_SECONDARY_VERSION:-9.6.6}"
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CABAL_VERSION="${CABAL_VERSION:-3.12.1.0}"
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export BOOTSTRAP_HASKELL_NONINTERACTIVE=1
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export BOOTSTRAP_HASKELL_GHC_VERSION="$GHC_PRIMARY"
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export BOOTSTRAP_HASKELL_CABAL_VERSION="$CABAL_VERSION"
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export BOOTSTRAP_HASKELL_INSTALL_STACK=0 # not needed; cabal suffices
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export BOOTSTRAP_HASKELL_INSTALL_HLS=0 # ~2 GB — skip for build-only image
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curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org \
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| runuser -l build -c 'sh -s -- --no-modify-path'
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# Add ghcup env to build user profile
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echo '. "$HOME/.ghcup/env"' >> /home/build/.bashrc
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echo '. "$HOME/.ghcup/env"' >> /home/build/.profile
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# Install secondary GHC version (~500 MB, shared GHCup base — worth it)
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runuser -l build -c "source ~/.ghcup/env && ghcup install ghc $GHC_SECONDARY"
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# Ensure primary is the default
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runuser -l build -c "source ~/.ghcup/env && ghcup set ghc $GHC_PRIMARY"
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# Pre-warm cabal package db (saves 2-3 min on first real build)
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runuser -l build -c 'source ~/.ghcup/env && cabal update'
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# Verify both versions present
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runuser -l build -c "source ~/.ghcup/env && ghc --version && cabal --version"
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runuser -l build -c "source ~/.ghcup/env && ghcup run --ghc $GHC_SECONDARY -- ghc --version"
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