Sync upstream: drop armv7, add linux/ppc64le and linux/s390x

.github/workflows/build-image.yml

@@ -32,6 +32,6 @@ jobs:
           context: .
           push: true
           tags: lamgc/jenkins-agent-docker:latest, lamgc/jenkins-agent-docker:${{ steps.get-version.outputs.version }}
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x
           cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-to: type=gha,mode=max

LATEST_VERSION

@@ -1 +1 @@
-null
+3355.v388858a_47b_33-14

update-version.sh

@@ -1,12 +1,39 @@
 #!/bin/bash
 
-LATEST_VERSION=$(curl -s https://api.github.com/repos/jenkinsci/docker-agent/releases/latest | jq -r '.tag_name')
-CURL_EXIT_CODE=$?
-if [ $CURL_EXIT_CODE -ne 0 ] || [ -z "$LATEST_VERSION" ]; then
-    echo "Failed to retrieve the latest version"
+TEMP_JSON=$(mktemp)
+trap 'rm -f "$TEMP_JSON"' EXIT
+API_URL="https://api.github.com/repos/jenkinsci/docker-agent/releases/latest"
+
+HTTP_CODE=$(curl -fsL -o "$TEMP_JSON" -w "%{http_code}" "$API_URL")
+if [ $? -ne 0 ]; then
+    echo "Error: Network request failed."
     exit 1
 fi
 
-if [ "$LATEST_VERSION" != "$(cat LATEST_VERSION)" ]; then
+if [ "$HTTP_CODE" != "200" ]; then
+    echo "Error: API returned HTTP $HTTP_CODE"
+    if [ -s "$TEMP_JSON" ]; then
+        echo "Response body:"
+        cat "$TEMP_JSON"
+    fi
+    exit 1
+fi
+
+LATEST_VERSION=$(jq -r '.tag_name // empty' "$TEMP_JSON")
+if [ -z "$LATEST_VERSION" ] || [ "$LATEST_VERSION" == "null" ]; then
+    echo "Error: Failed to extract tag_name from response."
+    exit 1
+fi
+
+if [ -f LATEST_VERSION ]; then
+    CURRENT_VERSION=$(cat LATEST_VERSION)
+else
+    CURRENT_VERSION=""
+fi
+
+if [ "$LATEST_VERSION" != "$CURRENT_VERSION" ]; then
+    echo "New version found: $LATEST_VERSION (Old: $CURRENT_VERSION)"
     echo "$LATEST_VERSION" > LATEST_VERSION
-fi
+else
+    echo "Already at latest version: $LATEST_VERSION"
+fi