Add sc theme diff to preview local-vs-server theme changes#5
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The read-only sibling of `sc theme push`: it reports which templates and asset binaries have been added, modified, or only exist on the server, without pushing anything. Reuses the same SHA-256 asset-hash contract as push, so an unchanged binary is never flagged. `--exit-code` exits 9 on any difference, so CI can gate on a committed theme being in sync with what is deployed. Exit 9 is distinct from the error codes so automation can tell drift from a genuine failure. ComputeDiff is a pure function with full table-test coverage.
This was referenced Jun 19, 2026
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Superseded by #6 — the CLI agent-platform work collapsed into one PR off develop. Reopen if anything was missed. |
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Dependencies & PR Stack
This is a chain of PRs on the CLI:
develop
└ feature/content-api-alignment (#3)
└ feature/theme-assets-and-changes (#4)
└ feature/theme-diff (#5) (this PR)
Server side (core-gem): consumes the Store Management REST API from the gem chain, https://github.com/GetStoreConnect/core-gem/pull/8062 through #8072.
Summary
Stacked on #4. Adds
sc theme diff THEME— the read-only sibling ofsc theme push. It shows how a local theme diverges from the server's copy (templates and asset binaries) without pushing anything.Two audiences:
sc theme pushactually change?" before pushing.--exit-codeexits 9 on any difference, so a pipeline can gate on a committed theme being in sync with what's deployed:How it works
ReadLocalAssets+ the hash the server returns onGET /themes/:id), so an unchanged binary is never flagged — the diff matches exactly what push would upload.+), both-differ = modified (~), server-only = removed (-).Output
+/~/-grouped by templates/assets, or "in sync" when clean.--json:{templates:{added,modified,removed}, assets:{...}, has_changes, pushable, server_only}.Tests
ComputeDiffis a pure function with table-test coverage (added/modified/removed × templates + assets, in-sync, empty-server, count roll-ups). Fullmake testgreen;gofmtandgo vetclean. (golangci-lint runs in CI.)