Add script to pull extism libraries and maven plugin to include them in jar

.github/workflows/ci.yaml

@@ -20,6 +20,8 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v3
       - uses: ./.github/actions/libextism
+      - name: fetch-extism-librairies
+        run: sh ./update-extism.sh
       - name: Set up Java
         uses: actions/setup-java@v3
         with:

pom.xml

@@ -140,6 +140,11 @@
 
   <build>
     <plugins>
+      <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>3.3.1</version>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>

update-extism.sh

@@ -0,0 +1,33 @@
+EXTISM_VERSION=$(curl https://api.github.com/repos/extism/extism/releases/latest | jq -r '.name')
+
+echo "latest extism version is: ${EXTISM_VERSION}"
+
+rm -rf src/main/resources/*
+mkdir -p ./src/main/resources/natives/
+
+create_librairies_folders() {
+  archs=("darwin-aarch64" "darwin-x86-64" "linux-aarch64" "linux-x86-64" "win32-x86-64")
+  for i in ${archs[@]}; do
+     mkdir ./src/main/resources/$i
+  done
+}
+
+fetch_and_unzip_library() {
+  ARCH="$1"
+  LIBRARY_FOLDER="$2"
+  FILENAME="$3"
+
+  curl -L -o "./src/main/resources/natives/${ARCH}-${EXTISM_VERSION}.tar.gz" "https://github.com/extism/extism/releases/download/${EXTISM_VERSION}/${ARCH}-${EXTISM_VERSION}.tar.gz"
+  tar -xvf "./src/main/resources/natives/${ARCH}-${EXTISM_VERSION}.tar.gz" --directory ./src/main/resources/natives/
+  mv ./src/main/resources/natives/${FILENAME} ./src/main/resources/${LIBRARY_FOLDER}/${FILENAME}
+}
+
+create_librairies_folders
+
+fetch_and_unzip_library "libextism-aarch64-apple-darwin" "darwin-aarch64" "libextism.dylib"
+fetch_and_unzip_library "libextism-x86_64-apple-darwin" "darwin-x86-64" "libextism.dylib"
+fetch_and_unzip_library "libextism-aarch64-unknown-linux-gnu" "linux-aarch64" "libextism.so"
+fetch_and_unzip_library "libextism-x86_64-unknown-linux-gnu" "linux-x86-64" "libextism.so"
+fetch_and_unzip_library "libextism-x86_64-pc-windows-gnu" "win32-x86-64" "extism.dll"
+
+rm -rf src/main/resources/natives 2> /dev/null