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Informational 15 Bitcoin

CI: avoid rebuilds on downloads using testpack.tar.gz.

Public commit record

What the developer wrote

Authored by Rusty Russell

85/100 · Strong
CI: avoid rebuilds on downloads using testpack.tar.gz.

We use the same fragment everywhere for consistency, even though some
stages don't actually call make.

The magic is:
CARGO=false CC=devtools/cc-nobuild SUPPRESS_GENERATION=1

Which causes us to fail if we want to rebuild.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context
The short version

What changed, and why it matters

This commit only changes the project's GitHub Actions CI workflow. It switches the test artifact format from .tar.bz2 to .tar.gz, adds flags to prevent unnecessary rebuilds when running tests on prebuilt binaries, and cleans up some matrix configuration. There is no change to the actual Core Lightning software that users run, and nothing in the commit suggests a security fix or vulnerability.

Recommended action

No security action needed. This is a CI infrastructure optimization. Reviewers may optionally verify that the new build-suppression flags do not accidentally hide real build failures in CI, but that is a testing-quality concern, not a security issue.

Security signals we found

No strong security signals were identified.

Risk score

Why this scored 15/100

Our methodology →
Potential impact 0/30
Exploitability 0/25
Stealth signal 0/15
Affected reach 0/15
Confidence 10/10
Evidence quality 5/5
Human-validated context

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