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Enforce btrfs singleton referrers#127

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spahl wants to merge 1 commit into
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seb/singleton-referrers
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Enforce btrfs singleton referrers#127
spahl wants to merge 1 commit into
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seb/singleton-referrers

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@spahl spahl commented May 10, 2026

Snapshot-enabled deployments need the registry-published btrfs-chain base to be the sole portable rootfs base for an image digest.

Make the R2 registry commit that artifact through a conditional singleton record, synthesize referrers from it, and reject deletion or corrupt replacement so stale builders cannot publish competing bases.

Snapshot-enabled deployments need the registry-published btrfs-chain base to be the sole portable rootfs base for an image digest. Make the R2 registry commit that artifact through a conditional singleton record, synthesize referrers from it, and reject deletion or corrupt replacement so stale builders cannot publish competing bases.
@spahl spahl changed the title Enforce Cloudchamber btrfs singleton referrers Enforce btrfs singleton referrers May 10, 2026
@spahl spahl closed this May 12, 2026
@spahl spahl deleted the seb/singleton-referrers branch May 12, 2026 12:29
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