Jonathan Davies
67 lines
2.1 KiB
Bash
Executable File
67 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p curl jq nix
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set -euo pipefail
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echoerr() { echo "$@" 1>&2; }
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fname="$1"
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echoerr "Working on $fname"
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# Extract series from filename: 4_1.nix → 4.1
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series=$(basename "$fname" .nix | tr '_' '.')
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echoerr "Series: $series"
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# Read current values from the nix file.
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current_kafka_version=$(sed -n 's/.*kafkaVersion = "\(.*\)";/\1/p' "$fname")
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scala_version=$(sed -n 's/.*scalaVersion = "\(.*\)";/\1/p' "$fname")
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echoerr "Current: kafkaVersion=$current_kafka_version scalaVersion=$scala_version"
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# Build a regex that matches e.g. "4.1.0", "4.1.1", but not "4.1.0-rc1".
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series_re="^$(echo "$series" | sed 's/\./\\./g')\\.[0-9]+$"
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# Fetch tags from the Apache Kafka GitHub repo.
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# Tags are plain semver (no "v" prefix); filter out release candidates.
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latest_version=$(
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{ for page in 1 2 3; do
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curl -fsSL ${GITHUB_TOKEN:+-u ":${GITHUB_TOKEN}"} \
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"https://api.github.com/repos/apache/kafka/tags?per_page=100&page=$page"
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done; } \
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| jq -r '.[].name' \
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| grep -E "$series_re" \
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| sort -V \
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| tail -1
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)
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if [[ -z "$latest_version" ]]; then
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echoerr "Error: no tags found for series $series"
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exit 1
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fi
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echoerr "Latest version for series $series: $latest_version"
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if [[ "$latest_version" == "$current_kafka_version" ]]; then
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echoerr "Already at latest version $latest_version, nothing to do"
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exit 0
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fi
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# Update kafkaVersion in the nix file.
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sed -i -E "s|(kafkaVersion = \").*(\";)|\1$latest_version\2|" "$fname"
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grep -q "kafkaVersion = \"$latest_version\"" "$fname"
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# Compute new SRI hash for the Apache mirror tarball.
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tarball_url="https://archive.apache.org/dist/kafka/${latest_version}/kafka_${scala_version}-${latest_version}.tgz"
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echoerr "Fetching hash for: $tarball_url"
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new_hash=$(nix-prefetch-url --type sha256 "$tarball_url" 2>/dev/null)
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if [[ -z "$new_hash" ]]; then
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echoerr "Error: failed to fetch hash for $tarball_url"
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exit 1
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fi
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new_hash=$(nix hash convert --hash-algo sha256 --to sri "$new_hash")
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echoerr "New hash: $new_hash"
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sed -i -E "s|(hash = \").*(\";)|\1$new_hash\2|" "$fname"
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grep -q "$new_hash" "$fname"
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echoerr "Done. Updated $fname from $current_kafka_version to $latest_version"
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