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Improve GitHub Codespace first-launch time by preloading .cache
(#128)
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parent
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51
Dockerfile
51
Dockerfile
@ -3,23 +3,54 @@ WORKDIR /workspaces
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ARG PLATFORM="x86_64-linux"
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ARG TARGET_PLATFORM=""
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ARG COMPILER_NIX_NAME="ghc961"
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ARG MINIMAL="true"
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ARG IOG="false"
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ARG COMPILER_NIX_NAME="ghc96"
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ARG MINIMAL="false"
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ARG IOG="true"
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RUN DEBIAN_FRONTEND=noninteractive \
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&& apt-get update \
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&& apt-get -y install curl git jq nix zstd \
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&& apt-get -y install curl gh git grep jq nix rsync zstd \
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&& curl -L https://raw.githubusercontent.com/input-output-hk/actions/latest/devx/support/fetch-docker.sh -o fetch-docker.sh \
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&& chmod +x fetch-docker.sh \
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&& SUFFIX='' \
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&& if [ "$MINIMAL" = "true" ]; then SUFFIX="${SUFFIX}-minimal"; fi \
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&& if [ "$IOG" = "true" ]; then SUFFIX="${SUFFIX}-iog"; fi \
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&& if [ "$IOG_FULL" = "true" ]; then SUFFIX="${SUFFIX}-iog-full"; fi \
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&& ./fetch-docker.sh input-output-hk/devx $PLATFORM.$COMPILER_NIX_NAME$TARGET_PLATFORM${SUFFIX}-env | zstd -d | nix-store --import | tee store-paths.txt \
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&& apt-get -y remove curl git jq nix zstd \
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&& apt-get -y autoremove \
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&& apt-get -y autoclean
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&& ./fetch-docker.sh input-output-hk/devx $PLATFORM.$COMPILER_NIX_NAME$TARGET_PLATFORM${SUFFIX}-env | zstd -d | nix-store --import | tee store-paths.txt
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# `tail -n 2 X | head -n 1` seems a bit fragile way to get `ghc8107-iog-env.sh` derivation path ...
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RUN echo "source $(tail -n 2 store-paths.txt | head -n 1)" >> $HOME/.bashrc
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RUN cat <<EOF >> $HOME/.bashrc
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source $(grep -m 1 -e '-env.sh$' store-paths.txt)
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EOF
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# This enforce those settings in DevContainer whatever "Settings Sync" user preferences ...
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RUN mkdir -p $HOME/.vscode-server/data/Machine/ \
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&& cat <<EOF >> $HOME/.vscode-server/data/Machine/settings.json
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{ "haskell.manageHLS": "PATH" }
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EOF
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# FIXME: Consider moving this script into a Nix `writeShellApplication` trivial builder within the closure ...
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# ... but that means I should figure it out how to pass to it $COMPILER_NIX_NAME as input?
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RUN mkdir -p /usr/local/bin/ \
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&& cat <<EOF >> /usr/local/bin/post-create-command
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#!/usr/bin/env bash
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PROJECT_DIR=\$(find /workspaces/ -mindepth 1 -maxdepth 1 -type d)
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if [ -n "\$PROJECT_DIR" ]; then
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pushd \$PROJECT_DIR > /dev/null
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# GitHub Codespaces should have \$GH_TOKEN already set.
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if [ -n "\$GH_TOKEN" ]; then
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COMMIT_HASH=\$(git rev-parse HEAD)
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echo "Attempting to download HLS cache from GitHub Artifact (cache-\$COMMIT_HASH-$COMPILER_NIX_NAME) for faster first launch ..."
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gh run download -D .download -n "cache-\$COMMIT_HASH-$COMPILER_NIX_NAME"
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rsync -a .download/work/cardano-base/cardano-base/dist-newstyle .
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rm -r .download
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else
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echo "\\\$GH_TOKEN is not set. Skipping HLS cache download."
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fi
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# HLS error (Couldn't load cradle for ghc libdir) if `cabal update` has never been run in project using cardano-haskell-packages ...
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echo "Running `cabal update` ..."
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bash -c "cabal update"
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popd > /dev/null
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fi
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EOF
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RUN chmod +x /usr/local/bin/post-create-command
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@ -61,7 +61,8 @@ Refer to [`direnv` and `devx`](./docs/direnv.md) guide for more information.
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To make this developer shell available in VSCode DevContainer or GitHub CodeSpace, simply add a file named `.devcontainer/devcontainer.json` with the following content:
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```json
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{
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"image":"ghcr.io/input-output-hk/devx-devcontainer:x86_64-linux.ghc810-iog",
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"image":"ghcr.io/input-output-hk/devx-devcontainer:x86_64-linux.ghc96-iog",
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"postCreateCommand": "post-create-command",
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"customizations":{
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"vscode":{
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"extensions":[
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