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git.stella-ops.org/devops/tools/signals-verify-evidence-tar.sh
2025-12-26 18:11:06 +02:00

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#!/usr/bin/env bash
set -euo pipefail
TAR_PATH=${1:-evidence-locker/signals/2025-12-05/signals-evidence.tar}
EXPECTED_SHA=${EXPECTED_SHA:-a17910b8e90aaf44d4546057db22cdc791105dd41feb14f0c9b7c8bac5392e0d}
if [[ ! -f "$TAR_PATH" ]]; then
echo "missing tar: $TAR_PATH" >&2
exit 1
fi
sha=$(sha256sum "$TAR_PATH" | awk '{print $1}')
if [[ -n "$EXPECTED_SHA" && "$sha" != "$EXPECTED_SHA" ]]; then
echo "sha mismatch: got $sha expected $EXPECTED_SHA" >&2
exit 2
fi
tmpdir=$(mktemp -d)
trap 'rm -rf "$tmpdir"' EXIT
tar -xf "$TAR_PATH" -C "$tmpdir"
(cd "$tmpdir/evidence-locker/signals/2025-12-05" && sha256sum --check SHA256SUMS)
echo "OK: tar hash=${sha} (expected=${EXPECTED_SHA:-<not set>}); inner SHA256SUMS verified"