chore(ci): add shellcheck

.gitea/workflows/shellcheck.yml

@@ -6,6 +6,10 @@ on:
     types: [ "opened", "edited" ]
   workflow_dispatch: {}
 
+env:
+  # renovate: datasource=docker depName=koalaman/shellcheck
+  HELM_VERSION: "v0.10.0"
+
 jobs:
   shellcheck:
     runs-on: ubuntu-latest

scripts/token.sh

@@ -8,14 +8,9 @@ check_token() {
   set +e
 
   echo "Checking for existing token..."
-  if ! token=$(kubectl get secret "${SECRET_NAME}" -o jsonpath="{.data['token']}" 2> /dev/null); then
-    return 1
-  fi
-
-  if [ -z "${token}" ]; then
-    return 2
-  fi
-
+  token="$(kubectl get secret "$SECRET_NAME" -o jsonpath="{.data['token']}" 2> /dev/null)"
+  [ $? -ne 0 ] && return 1
+  [ -z "$token" ] && return 2
   return 0
 }