arti/maint/changed_crates

#!/bin/bash

set -euo pipefail

TOP=$(dirname "$0")/..

TAG="${1:-}"

if [ -z "$TAG" ]; then
    echo "You need to give a git revision as an argument."
    exit 1
fi

for crate in $(cd "${TOP}/crates/" && ls); do
    if git diff --quiet "$TAG..HEAD" "${TOP}/crates/${crate}"; then
	# echo "$crate: ...:"
	:
    else
	echo "$crate"
    fi
done