live/terragrunt.stack.hcl

cas — Local paths supported as stack component sources

CAS-backed stack generation now accepts a local filesystem path as the source of a consumer stack or unit block, in addition to a remote Git URL. Terragrunt copies the referenced directory into a temporary directory, computes a content-addressed root hash over the copy, and applies the same update_source_with_cas rewriting as the remote flow. The original directory is left untouched.

# live/terragrunt.stack.hcl
stack "service" {
  source = "../catalog//stacks/service"

  path = "service"
}

This makes a catalog usable against a local checkout under the same update_source_with_cas = true attributes that already work for Git URLs, which is helpful when iterating on a catalog before tagging a release.

See the CAS documentation and Explicit Stacks: Local catalog sources for details.