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nixpkgs/pkgs/servers/web-apps/plausible/update.sh

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2021-05-21 22:15:23 +01:00
#!/usr/bin/env nix-shell
#!nix-shell -i bash -p jq nix-prefetch-git yarn yarn2nix-moretea.yarn2nix moreutils
# NOTE: please check on new releases which steps aren't necessary anymore!
# Currently the following things are done:
#
# * Add correct `name`/`version` field to `package.json`, otherwise `yarn2nix` fails to
# find required dependencies.
# * Keep `tailwindcss` on version 2.0.1-compat (on `yarn` it will be upgraded due to the `^`).
# This is needed to make sure the entire build still works with `postcss-7` (needed
# by plausible).
# * Adjust `file:`-dependencies a bit for the structure inside a Nix build.
# * Update hashes for the tarball & the fixed-output drv with all `mix`-dependencies.
# * Generate `yarn.lock` & `yarn.nix` in a temporary directory.
set -x
dir="$(realpath $(dirname "$0"))"
latest="$(curl -q https://api.github.com/repos/plausible/analytics/releases/latest \
| jq -r '.tag_name')"
nix_version="$(cut -c2- <<< "$latest")"
if [ "$(nix-instantiate -A plausible.version --eval | xargs echo)" = "$nix_version" ];
then
echo "Already using version $latest, skipping"
exit 0
fi
SRC="https://raw.githubusercontent.com/plausible/analytics/${latest}"
package_json="$(curl -qf "$SRC/assets/package.json")"
fixed_tailwind_version="$(jq '.dependencies.tailwindcss' -r <<< "$package_json" | sed -e 's,^^,,g')"
echo "$package_json" \
| jq '. + {"name":"plausible","version":"'$latest'"}' \
| jq '.dependencies.tailwindcss = "'"$fixed_tailwind_version"'"' \
| sed -e 's,../deps/,../../tmp/deps/,g' \
> $dir/package.json
tarball_meta="$(nix-prefetch-git https://github.com/plausible/analytics --rev "$latest" --quiet)"
tarball_hash="$(jq -r '.sha256' <<< "$tarball_meta")"
tarball_path="$(jq -r '.path' <<< "$tarball_meta")"
fake_hash="$(nix-instantiate --eval -A lib.fakeSha256 | xargs echo)"
sed -i "$dir/default.nix" \
-e 's,version = ".*",version = "'"$nix_version"'",' \
-e '/^ src = fetchFromGitHub/,+4{;s/sha256 = "\(.*\)"/sha256 = "'"$tarball_hash"'"/}' \
-e '/^ mixDeps =/,+3{;s/sha256 = "\(.*\)"/sha256 = "'"$fake_hash"'"/}'
mix_hash="$(nix-build -A plausible.mixDeps 2>&1 | tail -n3 | grep 'got:' | cut -d: -f2- | xargs echo)"
sed -i "$dir/default.nix" -e '/^ mixDeps =/,+3{;s/sha256 = "\(.*\)"/sha256 = "'"$mix_hash"'"/}'
tmp_setup_dir="$(mktemp -d)"
trap "rm -rf $tmp_setup_dir" EXIT
cp -r $tarball_path/* $tmp_setup_dir/
cp -r "$(nix-build -A plausible.mixDeps)" "$tmp_setup_dir/deps"
chmod -R a+rwx "$tmp_setup_dir"
pushd $tmp_setup_dir/assets
jq < package.json '.dependencies.tailwindcss = "'"$fixed_tailwind_version"'"' | sponge package.json
yarn
yarn2nix > "$dir/yarn.nix"
cp yarn.lock "$dir/yarn.lock"
popd
nix-build -A plausible