Implement deterministic SHA-256 hash for workflow frontmatter with imports, template expressions, versions, and hash-based stale detection#12589

Merged

pelikhan merged 27 commits intomainfrom

copilot/compute-frontmatter-hash

Jan 30, 2026

Commits on Jan 29, 2026

Initial plan
Copilot
committed
Add frontmatter hash specification and Go implementation

Copilot
and
pelikhan
committed
Add cross-language hash compatibility tests and simplified JS implementation

Copilot
and
pelikhan
committed
Complete frontmatter hash implementation with documentation

Copilot
and
pelikhan
committed
Address code review feedback: add error handling and warnings

Copilot
and
pelikhan
committed
Add frontmatter hash to lock files and include template expressions

Copilot
and
pelikhan
committed
Add repository-wide hash validation tests

Copilot
and
pelikhan
committed
Fix test compilation after adding hash parameter

Copilot
and
pelikhan
committed
Address all PR feedback: lowercase hash, versions, and Go/JS validation

Copilot
and
pelikhan
committed
Fix JS hash output to suppress warnings

Copilot
and
pelikhan
committed
Final fixes: lint errors and add version to hash

Copilot
and
pelikhan
committed
Fix code review issues: section numbering and command injection

Copilot
and
pelikhan
committed
Add gateway version and sort imports in hash computation

Copilot
and
pelikhan
committed
WIP: Pure JavaScript hash implementation with js-yaml

Copilot
and
pelikhan
committed
Replace js-yaml with text-based parsing for frontmatter hash

Copilot
and
pelikhan
committed
Merge main branch
Copilot
committed
Merge main and recompile all workflows with frontmatter hashes

Copilot
and
pelikhan
committed
Merge branch 'main' into copilot/compute-frontmatter-hash
pelikhan
authored
Lint and format JavaScript files

Copilot
and
pelikhan
committed

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Implement deterministic SHA-256 hash for workflow frontmatter with imports, template expressions, versions, and hash-based stale detection#12589

Implement deterministic SHA-256 hash for workflow frontmatter with imports, template expressions, versions, and hash-based stale detection#12589
pelikhan merged 27 commits intomainfrom
copilot/compute-frontmatter-hash

Commits on Jan 29, 2026

Initial plan

Add frontmatter hash specification and Go implementation

Add cross-language hash compatibility tests and simplified JS implementation

Complete frontmatter hash implementation with documentation

Address code review feedback: add error handling and warnings

Add frontmatter hash to lock files and include template expressions

Add repository-wide hash validation tests

Fix test compilation after adding hash parameter

Address all PR feedback: lowercase hash, versions, and Go/JS validation

Fix JS hash output to suppress warnings

Final fixes: lint errors and add version to hash

Fix code review issues: section numbering and command injection

Add gateway version and sort imports in hash computation

WIP: Pure JavaScript hash implementation with js-yaml

Replace js-yaml with text-based parsing for frontmatter hash

Merge main branch

Merge main and recompile all workflows with frontmatter hashes

Merge branch 'main' into copilot/compute-frontmatter-hash

Lint and format JavaScript files

Commits on Jan 30, 2026

[WIP] Fix failing GitHub Actions workflow CI / test (pull_request) (#12647)

Fix test coverage check to handle Go subtests correctly (#12654)

Fix schema validation for boolean tool configuration values (#12655)

Fix test coverage check to use go test -list instead of grep (#12659)

Exclude gh-aw version from hash for non-release builds

Fix Go formatting: remove trailing whitespace in frontmatter_hash_stability_test.go (#12665)

Add frontmatter hash validation to stale lock file check

Remove time-based stale check, use only frontmatter hash