ci: cache Go build cache (GOCACHE) for test jobs#4087
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setup-go only caches downloaded modules (GOMODCACHE), not compiled object files (GOCACHE). Adding an explicit cache for ~/.cache/go-build avoids recompiling all dependencies on every run. The test script's go clean -testcache only clears test results, not compiled packages, so this cache remains effective. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
setup-goonly caches downloaded modules (GOMODCACHE), not compiled object files (GOCACHE at~/.cache/go-build)actions/cache@v4step for the Go build cache, keyed on Go version, build tags, andgo.sumhashgo clean -testcacheonly clears test results, not compiled packages, so this cache remains effective for speeding up compilationStack
1/6 — ci: remove platform matrix (#4083)
2/6 — ci: upgrade action versions (#4084)
3/6 — ci: reduce staticcheck matrix (#4085)
4/6 — ci: extract license check (#4086)
5/6 — this PR
6/6 — ci: optimize gotestsum install
Test plan
🤖 Generated with Claude Code