114 lines
3.3 KiB
Bash
Executable File
114 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_DIR="$SCRIPT_DIR"
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ROOT_DIR="$(cd -- "$SCRIPT_DIR/../.." && pwd)"
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java_major_version() {
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local java_bin="$1"
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local version_line
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version_line="$($java_bin -version 2>&1 | head -n 1)"
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printf '%s\n' "$version_line" | sed -E 's/.*version "([0-9]+)(\.[0-9]+)?.*/\1/'
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}
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is_supported_java() {
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local java_bin="$1"
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local major
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major="$(java_major_version "$java_bin")"
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[[ "$major" =~ ^[0-9]+$ ]] && [ "$major" -ge 17 ] && [ "$major" -le 21 ]
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}
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try_set_java_home() {
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local candidate
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if [ -n "${JAVA_HOME:-}" ] && [ -x "$JAVA_HOME/bin/java" ] && is_supported_java "$JAVA_HOME/bin/java"; then
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return 0
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fi
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if command -v /usr/libexec/java_home >/dev/null 2>&1; then
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for candidate in 21 17; do
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if JAVA_HOME_CANDIDATE="$(/usr/libexec/java_home -v "$candidate" 2>/dev/null)" \
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&& [ -x "$JAVA_HOME_CANDIDATE/bin/java" ] \
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&& is_supported_java "$JAVA_HOME_CANDIDATE/bin/java"; then
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export JAVA_HOME="$JAVA_HOME_CANDIDATE"
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export PATH="$JAVA_HOME/bin:$PATH"
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echo "Using JAVA_HOME=$JAVA_HOME"
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return 0
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fi
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done
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fi
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for candidate in \
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/Library/Java/JavaVirtualMachines/temurin-21.jdk/Contents/Home \
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/Library/Java/JavaVirtualMachines/temurin-17.jdk/Contents/Home \
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/opt/homebrew/opt/openjdk@21/libexec/openjdk.jdk/Contents/Home \
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/opt/homebrew/opt/openjdk@17/libexec/openjdk.jdk/Contents/Home \
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/usr/lib/jvm/java-21-openjdk \
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/usr/lib/jvm/java-17-openjdk \
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/usr/lib/jvm/java-21-openjdk-amd64 \
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/usr/lib/jvm/java-17-openjdk-amd64; do
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if [ -x "$candidate/bin/java" ] && is_supported_java "$candidate/bin/java"; then
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export JAVA_HOME="$candidate"
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export PATH="$JAVA_HOME/bin:$PATH"
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echo "Using JAVA_HOME=$JAVA_HOME"
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return 0
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fi
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done
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return 1
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}
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if ! try_set_java_home; then
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if ! command -v java >/dev/null 2>&1; then
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cat >&2 <<'EOF'
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ERROR: java was not found in PATH.
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Please install JDK 17 or JDK 21, then rerun this script.
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EOF
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exit 1
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fi
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fi
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if ! command -v java >/dev/null 2>&1; then
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cat >&2 <<'EOF'
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ERROR: java was not found in PATH.
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Please install JDK 17 or JDK 21, then rerun this script.
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EOF
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exit 1
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fi
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JAVA_VERSION_OUTPUT="$(java -version 2>&1 | head -n 1)"
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JAVA_VERSION="$(java_major_version java)"
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if ! [[ "$JAVA_VERSION" =~ ^[0-9]+$ ]]; then
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echo "ERROR: Unable to parse Java version from: $JAVA_VERSION_OUTPUT" >&2
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exit 1
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elif [ "$JAVA_VERSION" -lt 17 ] || [ "$JAVA_VERSION" -gt 21 ]; then
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cat >&2 <<EOF
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ERROR: This project currently requires JDK 17 or JDK 21.
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Found: $JAVA_VERSION_OUTPUT
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Kotlin 2.1.0 / this Gradle setup fails with newer Java versions such as 26.0.1.
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Install a supported JDK and rerun, for example on macOS:
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brew install --cask temurin@21
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export JAVA_HOME=\$(/usr/libexec/java_home -v 21)
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If JDK 17/21 is already installed, set JAVA_HOME before running build.sh.
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EOF
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exit 1
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fi
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if [ -x "$ROOT_DIR/gradlew" ]; then
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GRADLE_CMD=("$ROOT_DIR/gradlew")
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elif command -v gradle >/dev/null 2>&1; then
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GRADLE_CMD=(gradle)
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else
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cat >&2 <<'EOF'
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ERROR: Neither root gradlew nor system gradle was found.
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Run from a checkout that contains the Gradle wrapper, or install Gradle.
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EOF
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exit 1
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fi
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cd "$PROJECT_DIR"
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"${GRADLE_CMD[@]}" --no-configuration-cache build "$@"
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