cache and fix android env

.gitlab-ci.yml

@@ -4,9 +4,13 @@ build-android:
     apt update && apt install -y openjdk-17-jdk-headless unzip curl rsync patch
     /usr/lib/jvm/java-17-openjdk-amd64/bin/java --version
     mkdir -p ~/.ssh && ssh-keyscan -p 22 -t rsa,ed25519 git.inker.bot >> ~/.ssh/known_hosts
+  cache:
+    - paths:
+        - $HOME/.gradle
+        - $HOME/go
   script: |
     export version="$(git describe --tags)-$CI_COMMIT_SHORT_SHA" && echo "building version $version"
-    bash ./setup-ndk.sh
+    bash ./setup-ndk.sh && source ./android.env
     bin/update && bin/apply-ci && cd works/core
     git submodule update --init --recursive
     git tag v$version -f

setup-ndk.sh

@@ -22,3 +22,9 @@ sdkmanager \
   "ndk;28.0.12433566"
 
 export ANDROID_NDK_HOME="$ANDROID_HOME/ndk/28.0.12433566"
+
+echo "
+ANDROID_HOME=$ANDROID_HOME
+ANDROID_SDK_ROOT=$ANDROID_SDK_ROOT
+ANDROID_NDK_HOME=$ANDROID_NDK_HOME
+" > android.env