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#!/bin/bash
set -e
usage() {
cat &2
exit
fi
TARGET_IMAGE_TAG_OVERRIDE="$2"
shift # skip the flag value
;;
-?*)
usage
printf 'ERROR: Unknown option: %s\n' "$1" >&2
exit
;;
*)
break
esac
shift
done
if [[ -n "$TARGET_IMAGE_TAG_OVERRIDE" ]]; then
TARGET_IMAGE_TAG="$TARGET_IMAGE_TAG_OVERRIDE"
fi
readonly BASE_IMAGE_TAG
readonly TARGET_IMAGE_TAG
echo "Base: $BASE_IMAGE_TAG"
echo "Target: $TARGET_IMAGE_TAG"
docker pull "$BASE_IMAGE_TAG"
CMDS=('dpkg-query --show -f "${Package}==${Version}\n"' 'pip freeze')
for cmd in "${CMDS[@]}"; do
echo "== Comparing $cmd =="
diff --suppress-common-lines --side-by-side \