Dry-run a rollback

Preview which revision a rollback targets before committing to it

helm history <rel> -n <ns> && helm rollback <rel> <rev> --dry-run -n <ns>

More helm commands

Update chart dependencies

helm dependency update ./chart && helm dependency build ./chart

update refreshes Chart.lock from repos; build fetches subcharts from existing lock
Wait for jobs on install

helm upgrade --install <name> ./chart --wait --wait-for-jobs --timeout 10m -n <ns>

Block until pods ready AND hook Jobs complete; avoids racing on migrations
Parse release status as JSON

helm status <rel> -n <ns> -o json | jq '.info.status, .info.last_deployed'

Extract machine-readable deploy state for scripts and gate checks
Post-render with kustomize

helm upgrade --install <name> ./chart --post-renderer ./kustomize-hook.sh -n <ns>

Patch rendered manifests via kustomize without forking the upstream chart
Pull and unpack OCI chart

helm pull oci://<host>/charts/<name> --version 1.2.3 --untar --untardir ./charts

Vendor an OCI chart locally for inspection or air-gapped installs