#!/usr/bin/env bash
# Given changed paths on stdin, print `cosmic=<bool>` and `remote=<bool>` so the
# workflow can skip images that didn't change. Shared files or build tooling
# changes rebuild everything; empty input (schedule/manual) rebuilds everything.
set -euo pipefail

changed="$(cat || true)"

all=0
[[ -z "${changed}" ]] && all=1
grep -qE '^(build\.sh|release\.sh|prune-releases\.sh|prune-registry\.sh|ci-changes\.sh|\.gitea/)' <<< "${changed}" && all=1
grep -qE '^images/shared/' <<< "${changed}" && all=1

cosmic=false
remote=false
if [[ "${all}" == 1 ]]; then
  cosmic=true
  remote=true
fi
grep -qE '^images/fedora-cosmic/' <<< "${changed}" && cosmic=true
grep -qE '^images/fedora-remote/' <<< "${changed}" && remote=true

echo "cosmic=${cosmic}"
echo "remote=${remote}"