108d1c64b3
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63 lines
1.9 KiB
Bash
63 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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# Offline-friendly helper to make a JDK available for benchmark builds.
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# Order of preference:
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# 1) Respect an existing JAVA_HOME when it contains javac.
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# 2) Use javac from PATH when present.
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# 3) Extract a vendored archive (jdk-21.0.1.tar.gz) into .jdk/ and use it.
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ensure_bench_jdk() {
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# Re-use an explicitly provided JAVA_HOME when it already has javac.
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if [[ -n "${JAVA_HOME:-}" && -x "${JAVA_HOME}/bin/javac" ]]; then
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export PATH="${JAVA_HOME}/bin:${PATH}"
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return 0
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fi
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# Use any javac already on PATH.
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if command -v javac >/dev/null 2>&1; then
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return 0
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fi
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local script_dir bench_root cache_dir archive_dir archive_path candidate
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script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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bench_root="$(cd "${script_dir}/../.." && pwd)"
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repo_root="$(cd "${bench_root}/../.." && pwd)"
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cache_dir="${bench_root}/.jdk"
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archive_dir="${cache_dir}/jdk-21.0.1+12"
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# Prefer an archive co-located with this script; fall back to the repo copy.
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for candidate in \
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"${script_dir}/jdk-21.0.1.tar.gz" \
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"${repo_root}/src/Sdk/StellaOps.Sdk.Generator/tools/jdk-21.0.1.tar.gz"
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do
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if [[ -f "${candidate}" ]]; then
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archive_path="${candidate}"
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break
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fi
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done
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if [[ -z "${archive_path:-}" ]]; then
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echo "[ensure_jdk] No JDK found. Set JAVA_HOME or place jdk-21.0.1.tar.gz under tools/java/." >&2
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return 1
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fi
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mkdir -p "${cache_dir}"
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if [[ ! -d "${archive_dir}" ]]; then
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tar -xzf "${archive_path}" -C "${cache_dir}"
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fi
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if [[ ! -x "${archive_dir}/bin/javac" ]]; then
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echo "[ensure_jdk] Extracted archive but javac not found under ${archive_dir}" >&2
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return 1
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fi
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export JAVA_HOME="${archive_dir}"
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export PATH="${JAVA_HOME}/bin:${PATH}"
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}
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# Allow running as a script for quick verification.
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if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
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if ensure_bench_jdk; then
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java -version
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fi
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fi
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