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Simplified haskell devcontainer. #1705

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Simplified haskell devcontainer. #1705

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Simplified haskell devcontainer.
PiotrJustyna Dec 19, 2022
dd89fe8
Update Dockerfile
PiotrJustyna Dec 20, 2022
a2ef23c
Merge branch 'main' into RefreshedHaskellCommunity
PiotrJustyna Jan 23, 2023
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22 changes: 8 additions & 14 deletions containers/haskell/.devcontainer/Dockerfile
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Expand Up @@ -31,19 +31,13 @@ RUN apt-get update \
# Install latest GHCup in the non-root user home
USER $USERNAME

RUN mkdir -p "$HOME/.ghcup/bin" \
&& curl -LJ "https://downloads.haskell.org/~ghcup/x86_64-linux-ghcup" -o "$HOME/.ghcup/bin/ghcup" \
&& chmod +x "$HOME/.ghcup/bin/ghcup"
ENV PATH="/home/$USERNAME/.cabal/bin:/home/$USERNAME/.ghcup/bin:$PATH"

# [Choice] GHC version: recommended, latest, 9.2, 9.0, 8.10, 8.8, 8.6
ARG GHC_VERSION="${templateOption:ghcVersion}"

# Use GHCup to install versions of main utilities
# If you prefer to let the Haskell extension install everything on demand,
# comment out the lines below. In that case, you may need to manually run "cabal update""."
RUN ghcup install ghc "${GHC_VERSION}" --set \
&& ghcup install cabal recommended --set \
&& ghcup install stack recommended --set \
&& ghcup install hls recommended --set \
&& cabal update
ENV GHCUP_CURL_OPTS="-k"
ENV BOOTSTRAP_HASKELL_NONINTERACTIVE="1"
ENV BOOTSTRAP_HASKELL_GHC_VERSION="$GHC_VERSION"
ENV BOOTSTRAP_HASKELL_CABAL_VERSION="recommended"
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Added some bootstrap variables:

  • non interactive installation
  • ghc version dictated by the devcontainer template
  • cabal version defined explicitly

Unfortunately, no option to define cabal and hls versions explicitly, but in the previous version of the dockerfile those were defaulted to recommended anyway.


RUN curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh

ENV PATH="/home/$USERNAME/.cabal/bin:/home/$USERNAME/.ghcup/bin:$PATH"