2021-06-04 09:07:49 +00:00
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#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p jq nix-prefetch-github yarn yarn2nix-moretea.yarn2nix moreutils
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# NOTE: please check on new releases which steps aren't necessary anymore!
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# Currently the following things are done:
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#
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# * Add correct `name`/`version` field to `package.json`, otherwise `yarn2nix` fails to
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# find required dependencies.
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# * Adjust `file:`-dependencies a bit for the structure inside a Nix build.
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# * Update hashes for the tarball & the fixed-output drv with all `mix`-dependencies.
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# * Generate `yarn.lock` & `yarn.nix` in a temporary directory.
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set -euxo pipefail
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dir="$(realpath $(dirname "$0"))"
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export latest="$(curl -q https://api.github.com/repos/plausible/analytics/releases/latest \
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| jq -r '.tag_name')"
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nix_version="$(cut -c2- <<< "$latest")"
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if [[ "$(nix-instantiate -A plausible.version --eval --json | jq -r)" = "$nix_version" ]];
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then
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echo "Already using version $latest, skipping"
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exit 0
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fi
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SRC="https://raw.githubusercontent.com/plausible/analytics/${latest}"
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package_json="$(curl -qf "$SRC/assets/package.json")"
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echo "$package_json" \
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2021-12-06 16:07:01 +00:00
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| jq '. + {"name":"plausible","version": $ENV.latest}' \
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2021-06-04 09:07:49 +00:00
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| sed -e 's,../deps/,../../tmp/deps/,g' \
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> $dir/package.json
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tarball_meta="$(nix-prefetch-github plausible analytics --rev "$latest")"
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tarball_hash="$(nix to-base32 sha256-$(jq -r '.sha256' <<< "$tarball_meta"))"
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tarball_path="$(nix-build -E 'with import ./. {}; { p }: fetchFromGitHub (builtins.fromJSON p)' --argstr p "$tarball_meta")"
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fake_hash="$(nix-instantiate --eval -A lib.fakeSha256 | xargs echo)"
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sed -i "$dir/default.nix" \
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-e 's,version = ".*",version = "'"$nix_version"'",' \
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-e '/^ src = fetchFromGitHub/,+4{;s/sha256 = "\(.*\)"/sha256 = "'"$tarball_hash"'"/}' \
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-e '/^ mixFodDeps =/,+3{;s/sha256 = "\(.*\)"/sha256 = "'"$fake_hash"'"/}'
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mix_hash="$(nix to-base32 $(nix-build -A plausible.mixFodDeps 2>&1 | tail -n3 | grep 'got:' | cut -d: -f2- | xargs echo || true))"
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sed -i "$dir/default.nix" -e '/^ mixFodDeps =/,+3{;s/sha256 = "\(.*\)"/sha256 = "'"$mix_hash"'"/}'
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tmp_setup_dir="$(mktemp -d)"
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trap "rm -rf $tmp_setup_dir" EXIT
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cp -r $tarball_path/* $tmp_setup_dir/
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cp -r "$(nix-build -A plausible.mixFodDeps)" "$tmp_setup_dir/deps"
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chmod -R u+rwx "$tmp_setup_dir"
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pushd $tmp_setup_dir/assets
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yarn
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yarn2nix > "$dir/yarn.nix"
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cp yarn.lock "$dir/yarn.lock"
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popd
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nix-build -A plausible
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