Wrap the apicurio-client-gen distribution mechanism (Apicurio#3627)

ui/.gitignore

@@ -2,3 +2,4 @@ yarn-error.log
 node_modules
 dist
 node
+resources/client-gen*

ui/resources/download-client-gen-dist.sh

@@ -1,17 +1,54 @@
 #!/bin/bash
 set -euo pipefail
 
-VERSION="0.1.0"
-
-URL="https://github.com/Apicurio/apicurio-client-gen/releases/download/$VERSION/dist.zip"
+# Usage:
+# - no env vars exported -> download from public GH releases
+# - `APICURIO_CLIENT_GEN_VERSION` -> Use a specific version instead of the default
+# - `APICURIO_CLIENT_GEN_URL` -> completely override the download URL diregarding the version
+# - `APICURIO_CLIENT_GEN_FRESH` -> forcefully download from remote the distribution archive
 
 SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
 
-OUTPUT_FILE="$SCRIPT_DIR/client-gen-$VERSION.zip"
+VERSION="${APICURIO_CLIENT_GEN_VERSION-"0.1.2"}"
+echo "Using version: ${VERSION}"
+
+UPSTREAM_DIST_URL="https://github.com/Apicurio/apicurio-client-gen/releases/download/${VERSION}/dist.tar.gz"
+
+if [[ -z "${APICURIO_CLIENT_GEN_URL-}" ]]; then
+  echo "Downloading from upstream github"
+  URL="${UPSTREAM_DIST_URL}"
+else
+  echo "Downloading using custom url"
+  URL="${APICURIO_CLIENT_GEN_URL}"
+fi
+
+if [[ -z "${APICURIO_CLIENT_GEN_FRESH-}" ]]; then
+  echo "Attempting to use cached resources"
+else
+  echo "Running a fresh download"
+  rm -f $SCRIPT_DIR/client-gen.tar.gz
+fi
+
+if [ -f "$SCRIPT_DIR/client-gen.tar.gz" ]; then
+    echo "Using cached version of client-gen.tar.gz"
+else
+  echo "Fetching archive from ${URL}"
+
+  OUTPUT_FILE="$SCRIPT_DIR/client-gen.tar.gz"
 
-STATUS_CODE=$(curl -sLS -o "$OUTPUT_FILE" --write-out "%{http_code}" "$URL")
+  STATUS_CODE=$(curl -sLS -o "$OUTPUT_FILE" --write-out "%{http_code}" "$URL")
 
-if [[ "$STATUS_CODE" -lt 200 || ${STATUS_CODE} -gt 299 ]]; then
-  echo "Could not download $URL. Got HTTP code $STATUS_CODE."
-  exit 1
+  if [[ "${STATUS_CODE}" -lt 200 || "${STATUS_CODE}" -gt 299 ]]; then
+    echo "Could not download $URL. Got HTTP code $STATUS_CODE."
+    exit 1
+  fi
 fi
+
+echo "Deleting client-gen/dist ..."
+rm -rf "$SCRIPT_DIR/../client-gen/dist"
+
+echo "Extracting client-gen.tar.gz ..."
+
+tar -xvf "$SCRIPT_DIR/client-gen.tar.gz" -C "$SCRIPT_DIR/../client-gen"
+
+echo "Done!"

ui/webpack.common.js

@@ -27,7 +27,6 @@ process.argv.forEach(arg => {
 
 module.exports = (env, argv) => {
   const isProduction = argv && argv.mode === "production";
-  const clientGenVersion = "0.1.0" // Use resources/download-client-gen-dist.sh to update
   console.info("Is production build? %o", isProduction);
   return {
     entry: {
@@ -91,16 +90,11 @@ module.exports = (env, argv) => {
     plugins: [
       new WebpackShellPluginNext({
         onBuildStart:{
-          scripts: [
-            'echo Deleting client-gen/dist...',
-            'rm -rf client-gen/dist',
-            'echo Unzipping client-gen-' + clientGenVersion + '.zip...',
-            'unzip -q resources/client-gen-' + clientGenVersion + '.zip -d client-gen',
-            'echo Done!'
-          ],
+          scripts: [ 'resources/download-client-gen-dist.sh' ],
           blocking: true,
           parallel: false
-        }
+        },
+        safe: true,
       }),
       new CopyPlugin({
         patterns: [