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#!/usr/bin/env nix-shell
#!nix-shell -p coreutils curl.out nix jq gnused -i bash
# Usage:
# ./update.sh [PRODUCT]
#
# Examples:
# $ ./update.sh graalvm-ce # will generate ./graalvm-ce/hashes.nix
# $ ./update.sh # same as above
# $ ./update.sh graalpy # will generate ./graalpy/hashes.nix
#
# Environment variables:
# FORCE=1 to force the update of a product (e.g.: skip up-to-date checks)
# VERSION=xx.xx will assume that xx.xx is the new version
set -eou pipefail
cd "$(dirname "${BASH_SOURCE[0]}")"
tmpfile="$(mktemp --suffix=.nix)"
readonly tmpfile
trap 'rm -rf "$tmpfile"' EXIT
info() { echo "[INFO] $*"; }
echo_file() { echo "$@" >> "$tmpfile"; }
verlte() {
[ "$1" = "$(echo -e "$1\n$2" | sort -V | head -n1)" ]
}
readonly product="${1:-graalvm-ce}"
readonly hashes_nix="$product/hashes.nix"
readonly nixpkgs=../../../../..
mkdir -p "$product"
declare -r -A update_urls=(
[graalvm-ce]="https://api.github.com/repos/graalvm/graalvm-ce-builds/releases/latest"
[graaljs]="https://api.github.com/repos/oracle/graaljs/releases/latest"
[graalnodejs]="https://api.github.com/repos/oracle/graaljs/releases/latest"
[graalpy]="https://api.github.com/repos/oracle/graalpython/releases/latest"
[truffleruby]="https://api.github.com/repos/oracle/truffleruby/releases/latest"
)
current_version="$(nix-instantiate "$nixpkgs" --eval --strict -A "graalvmCEPackages.${product}.version" --json | jq -r)"
readonly current_version
if [[ -z "${VERSION:-}" ]]; then
gh_version="$(curl \
${GITHUB_TOKEN:+"-u \":$GITHUB_TOKEN\""} \
-s "${update_urls[$product]}" | \
jq --raw-output .tag_name)"
new_version="${gh_version//jdk-/}"
new_version="${new_version//graal-/}"
else
new_version="$VERSION"
fi
readonly new_version
info "Current version: $current_version"
info "New version: $new_version"
if verlte "$new_version" "$current_version"; then
info "$product $current_version is up-to-date."
[[ -z "${FORCE:-}" ]] && exit 0
else
info "$product $current_version is out-of-date. Updating..."
fi
# Make sure to get the `-community` versions!
declare -r -A products_urls=(
[graalvm-ce]="https://github.com/graalvm/graalvm-ce-builds/releases/download/jdk-${new_version}/graalvm-community-jdk-${new_version}_@platform@_bin.tar.gz"
[graaljs]="https://github.com/oracle/graaljs/releases/download/graal-${new_version}/graaljs-community-${new_version}-@platform@.tar.gz"
[graalnodejs]="https://github.com/oracle/graaljs/releases/download/graal-${new_version}/graalnodejs-community-${new_version}-@platform@.tar.gz"
[graalpy]="https://github.com/oracle/graalpython/releases/download/graal-${new_version}/graalpy-community-${new_version}-@platform@.tar.gz"
[truffleruby]="https://github.com/oracle/truffleruby/releases/download/graal-${new_version}/truffleruby-community-${new_version}-@platform@.tar.gz"
)
# Argh, this is really inconsistent...
if [[ "$product" == "graalvm-ce" ]]; then
declare -r -A platforms=(
[aarch64-linux]="linux-aarch64"
[x86_64-linux]="linux-x64"
[aarch64-darwin]="macos-aarch64"
[x86_64-darwin]="macos-x64"
)
else
declare -r -A platforms=(
[aarch64-linux]="linux-aarch64"
[x86_64-linux]="linux-amd64"
[aarch64-darwin]="macos-aarch64"
[x86_64-darwin]="macos-amd64"
)
fi
info "Generating '$hashes_nix' file for '$product' $new_version. This will take a while..."
# Indentation of `echo_file` function is on purpose to make it easier to visualize the output
echo_file "# Generated by $(basename $0) script"
echo_file "{"
echo_file " \"version\" = \"$new_version\";"
url="${products_urls["${product}"]}"
echo_file " \"hashes\" = {"
for nix_platform in "${!platforms[@]}"; do
product_platform="${platforms[$nix_platform]}"
args=("${url//@platform@/$product_platform}")
# Get current hashes to skip derivations already in /nix/store to reuse cache when the version is the same
# e.g.: when adding a new product and running this script with FORCE=1
if [[ "$current_version" == "$new_version" ]] && \
previous_hash="$(nix-instantiate --eval "$hashes_nix" -A "hashes.$nix_platform.sha256" --json | jq -r)"; then
args+=("$previous_hash" "--type" "sha256")
else
info "Hash in '$product' for '$nix_platform' not found. Re-downloading it..."
fi
if hash="$(nix-prefetch-url "${args[@]}")"; then
echo_file " \"$nix_platform\" = {"
echo_file " sha256 = \"$hash\";"
echo_file " url = \"${url//@platform@/${product_platform}}\";"
echo_file " };"
else
info "Error while downloading '$product' for '$nix_platform'. Skipping it..."
fi
done
echo_file " };"
echo_file "}"
info "Moving the temporary file to '$hashes_nix'"
mv "$tmpfile" "$hashes_nix"
info "Done!"
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