fix: proper URLs in https://updates.jenkins.io/index.html (#907)

Author: lemeurherve

site/generate.sh

@@ -163,4 +163,11 @@ popd
 # copy other static resource files
 echo '{}' > "$WWW_ROOT_DIR/uctest.json"
 wget -q --convert-links -O "$WWW_ROOT_DIR/index.html" --convert-links https://www.jenkins.io/templates/updates/index.html
+# replace relative paths in URLs and footer by absolute ones, and set the proper attributes for jio-components
+sed -i '' \
+  -e 's|href="/|href="https://www.jenkins.io/|g' \
+  -e 's|property="https://www.jenkins.io"|property="https://updates.jenkins.io"|g' \
+  -e 's|sourcepath=""|sourcepath="content/templates/updates.adoc"|' \
+  "$WWW_ROOT_DIR/index.html"
+
 cp -av "tmp/tiers.json" "$WWW_ROOT_DIR/tiers.json"