Files
mtgc/scripts/android-env.sh
Garrett Mills 89378a41fb Android env: require JDK 21/17 by version, since Studio now bundles JBR 25
Check each JDK candidate's major version instead of assuming Android Studio's
JBR is 21, look for Adoptium temurin-{21,17}-jdk (Fedora 44 dropped
java-21-openjdk), and propagate android-env.sh failures to scripts that
source it so fdroid-publish.sh stops before building.
2026-10-16 22:08:47 -05:00

79 lines
2.7 KiB
Bash
Executable File

#!/usr/bin/env bash
#
# android-env.sh — export the environment the Android build needs.
#
# SOURCE this, don't execute it:
#
# source scripts/android-env.sh
# cargo tauri android dev --open
#
# Everything is auto-detected, so there are no machine-specific paths to keep in
# sync. Run ./scripts/android-setup.sh first to install the pieces.
_mtgc_android_env() {
local sdk ndk jdk
# --- SDK ---
sdk="${ANDROID_HOME:-$HOME/Android/Sdk}"
if [ ! -d "$sdk" ]; then
echo "android-env: no Android SDK at $sdk (run ./scripts/android-setup.sh)" >&2
return 1
fi
# --- NDK: newest *stable* installed (skip beta/rc/canary) ---
# `sort -V` so 9.x doesn't outrank 10.x the way plain lexicographic would.
local best=""
while IFS= read -r d; do
[ -n "$d" ] || continue
case "$(sed -n 's/^Pkg.Revision *= *//p' "$d/source.properties" 2>/dev/null)" in
*beta*|*rc*|*canary*) continue ;;
esac
best="$d"
done < <(find "$sdk/ndk" -mindepth 1 -maxdepth 1 -type d 2>/dev/null | sort -V)
ndk="$best"
if [ -z "$ndk" ]; then
echo "android-env: no stable NDK under $sdk/ndk (run ./scripts/android-setup.sh)" >&2
return 1
fi
# --- JDK: Gradle/AGP reject very new JDKs. Studio's bundled JBR is preferred,
# but newer Studio releases bundle JBR 25, so check each candidate's version.
for d in \
"$HOME/.local/share/JetBrains/Toolbox/apps/android-studio/jbr" \
"$HOME/.local/share/JetBrains/Toolbox/apps/android-studio"/*/jbr \
"$HOME/android-studio/jbr" \
/opt/android-studio/jbr \
/usr/lib/jvm/java-21-openjdk /usr/lib/jvm/java-21-openjdk-* /usr/lib/jvm/temurin-21-jdk* \
/usr/lib/jvm/java-17-openjdk /usr/lib/jvm/java-17-openjdk-* /usr/lib/jvm/temurin-17-jdk*
do
[ -x "$d/bin/javac" ] || continue
case "$(sed -n 's/^JAVA_VERSION="\([0-9]*\).*/\1/p' "$d/release" 2>/dev/null)" in
21 | 17) jdk="$d"; break ;;
esac
done
if [ -z "$jdk" ]; then
echo "android-env: no JDK 21/17 found (Gradle rejects newer ones, incl. Studio's JBR 25)" >&2
echo "android-env: sudo dnf install temurin-21-jdk" >&2
return 1
fi
export ANDROID_HOME="$sdk"
export NDK_HOME="$ndk"
export JAVA_HOME="$jdk"
# adb/emulator live here; harmless if already present.
case ":$PATH:" in
*":$sdk/platform-tools:"*) ;;
*) export PATH="$sdk/platform-tools:$PATH" ;;
esac
echo "ANDROID_HOME=$ANDROID_HOME"
echo "NDK_HOME=$NDK_HOME"
echo "JAVA_HOME=$JAVA_HOME"
}
_mtgc_android_env
_mtgc_rc=$?
unset -f _mtgc_android_env
# Pass the failure on so `set -e` scripts that source this stop here.
return "$_mtgc_rc" 2>/dev/null || exit "$_mtgc_rc"