fix: autoinclude config path fixes

[denis256]

Description

• Skip autoinclude-overridden dependency blocks when config_path references absent values.* attributes
• Handle both "Unsupported attribute" and "Unknown variable" errors during autoinclude merge
• Add WithSkipLabelsOnError expand option and decodeDependencyBlocksWithAutoIncludeRetry shared helper
• Add unit tests, a no-autoinclude regression test, and an end-to-end stack integration fixture

Fixes #6692.

TODOs

Read the Gruntwork contribution guidelines.

• I authored this code entirely myself
• I am submitting code based on open source software (e.g. MIT, MPL-2.0, Apache)
• I am adding or upgrading a dependency or adapted code and confirm it has a compatible open source license
• Update the docs.
• Update the changelog in the docs.
• Run the relevant tests successfully, including pre-commit checks.
• This change is backwards compatible.
• If this change is not forwards compatible (e.g. a new feature), it is gated behind a feature flag.

Summary by CodeRabbit

• Bug Fixes
  • Fixed errors when autoincluded dependencies override paths derived from configuration values.
  • Stack generation and planning now succeed when overridden values are undefined.
  • Preserved validation for unrelated unresolved dependencies and missing autoincludes.
• Documentation
  • Added a v1.1.4 changelog entry describing the dependency path override fix.

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Project	Deployment	Actions	Updated (UTC)
terragrunt-docs	Ready	Preview	Aug 19, 2026 7:44pm

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ℹ️ Recent review info

⚙️ Run configuration

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Plan: Pro Plus

Run ID: 5ea94e2f-8b9b-463c-9b4f-d610d63a6f3d

📥 Commits

Reviewing files that changed from the base of the PR and between 970d79c and 77af974.

📒 Files selected for processing (1)

• pkg/config/config_partial.go

Included review availability: Your plan provides up to 8 included reviews per hour; 7 remain after this review.

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📝 Walkthrough

Walkthrough

Dependency decoding retries with dependency labels overridden by sibling autoincludes skipped during failed expansion. Tests cover unresolved values paths, mixed dependencies, and stack generation. A changelog entry documents the fix.

Changes

Autoinclude dependency override

Layer / File(s)	Summary
Skip overridden labels during expansion pkg/config/hclparse/expansion.go, pkg/config/hclparse/expansion_test.go	Adds WithSkipLabelsOnError. Matching blocks are skipped after decode errors. Other labels still produce errors.
Autoinclude-aware dependency retry pkg/config/dependency.go, pkg/config/config.go, pkg/config/config_partial.go	Detects dependency labels from sibling autoincludes and retries dependency decoding while skipping overridden labels.
Override regression coverage and fixture pkg/config/autoinclude_test.go, test/fixtures/stacks/stack-deps-autoinclude-config-path-values/*, test/integration_stack_dependencies_test.go, test/integration_stack_dependencies_tf_test.go, docs/src/data/changelog/v1.1.4/autoinclude-config-path-override.mdx	Adds unit and integration coverage for overridden and unresolved dependencies. Adds a stack fixture and changelog entry.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to 77af9

This PR improves autoinclude handling for config-path overrides and adds targeted regression and integration coverage; no actionable merge-blocking risk remains beyond normal checks and review.

Sequence Diagram(s)

sequenceDiagram
  participant ConfigDecoder
  participant DependencyRetry
  participant AutoInclude
  participant HCLExpansion
  ConfigDecoder->>DependencyRetry: Decode dependencies
  DependencyRetry->>HCLExpansion: Expand dependency blocks
  HCLExpansion-->>DependencyRetry: Report unresolved values path
  DependencyRetry->>AutoInclude: Read overridden dependency labels
  AutoInclude-->>DependencyRetry: Return labels
  DependencyRetry->>HCLExpansion: Retry while skipping labels
  HCLExpansion-->>ConfigDecoder: Return decoded dependencies

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Possibly related PRs

• gruntwork-io/terragrunt#6283: Modifies autoinclude dependency config_path handling and values.* evaluation.
• gruntwork-io/terragrunt#6679: Introduces related dependency expansion used by this retry behavior.
• gruntwork-io/terragrunt#6626: Suppresses unresolved values.* references during autoinclude-aware decoding.

Suggested reviewers: yhakbar

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the main change: fixes for autoinclude dependency config paths.
Description check	✅ Passed	The description includes the issue, implementation summary, testing details, documentation updates, and relevant checklist items.
Linked Issues check	✅ Passed	The changes satisfy issue #6692 by allowing autoinclude overrides to bypass missing values.* config_path attributes.
Out of Scope Changes check	✅ Passed	The code, tests, fixtures, and changelog changes directly support the autoinclude config_path override fix.
Docstring Coverage	✅ Passed	Docstring coverage is 90.00% which is sufficient. The required threshold is 80.00%.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch 6692-config-path

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