Improve error handling in Chrome extensions script

Added error handling for downloading and unzipping Chrome extensions.

karakeep/rootfs/etc/cont-init.d/92-chrome-extensions.sh

@@ -3,7 +3,6 @@
 set -e
 
 EXTENSIONS_DIR="${CHROME_EXTENSIONS_DIR:-/usr/src/chrome/extensions}"
-
 bashio::log.info "Refreshing Chromium extensions in ${EXTENSIONS_DIR}"
 
 mkdir -p "${EXTENSIONS_DIR}"
@@ -11,15 +10,32 @@ mkdir -p "${EXTENSIONS_DIR}"
 download_extension() {
   local name="$1"
   local extension_id="$2"
-  local crx_path
+  local crx_path rc
 
   crx_path="$(mktemp)"
-  curl -fsSL "https://clients2.google.com/service/update2/crx?response=redirect&prodversion=120.0&acceptformat=crx2,crx3&x=id%3D${extension_id}%26installsource%3Dondemand%26uc" \
-    -o "${crx_path}"
+
+  if ! curl -fsSL \
+    "https://clients2.google.com/service/update2/crx?response=redirect&prodversion=120.0&acceptformat=crx2,crx3&x=id%3D${extension_id}%26installsource%3Dondemand%26uc" \
+    -o "${crx_path}"; then
+    rm -f "${crx_path}"
+    bashio::log.warning "Failed to download extension ${name}. Continuing without refresh."
+    return 0
+  fi
+
   rm -rf "${EXTENSIONS_DIR:?}/${name}"
   mkdir -p "${EXTENSIONS_DIR}/${name}"
-  unzip -q "${crx_path}" -d "${EXTENSIONS_DIR}/${name}"
+
+  rc=0
+  unzip -q "${crx_path}" -d "${EXTENSIONS_DIR}/${name}" || rc=$?
   rm -f "${crx_path}"
+
+  # unzip may return 1 even though files extracted (common with CRX zip metadata)
+  if [ "${rc}" -ne 0 ] && [ "${rc}" -ne 1 ]; then
+    bashio::log.warning "Failed to unzip extension ${name} (rc=${rc}). Continuing."
+    return 0
+  fi
+
+  return 0
 }
 
 download_extension "i-dont-care-about-cookies" "fllaojicojecljbmefodhfapmkghcbnh"