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[engine] Propagate target/exclude dependents through read resources - #24538
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`--target-dependents` and `--exclude-dependents` walk the dependency graph in topological order, adding each resource to `targetsActual`/`excludesActual` as it is visited so that its dependents can see it. `generateResourceSteps` did this for registered resources, but `GenerateReadSteps` never did, so a resource read with `.get()` was silently dropped from the set and the propagation chain broke there: anything depending on the read resource was treated as untargeted and emitted a `Same` step. Extract the existing block into `recordActualTargeting` and call it from the read path as well. Fixes #12368 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
i-am-tom
commented
Sep 8, 2026
| return nil, fmt.Errorf("Expected an ID for %v", urn) | ||
| } | ||
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| sg.recordActualTargeting(sg.isIncludedInOperation(newState), newState) |
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Hmm reading this do we always do a Read step even if its not targetted? That's probably fine but does feel a bit odd.
i-am-tom
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September 8, 2026 15:47
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When we get an (unmanaged) resource, we go through
GenerateReadStepsrather thangenerateResourceSteps, and we don't add the relevant resources totargetsActualorexcludesActual. This means that if you--target-dependents, everything under an unmanaged resource gets ignored silently.This PR adds the
targetActual/excludesActualtracking toGenerateReadSteps, and fixes this.Fixes #12368.
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