#!/usr/bin/env bash
# Given changed paths on stdin, print `cosmic=<bool>`, `remote=<bool>` and
# `intune=<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
intune=false
if [[ "${all}" == 1 ]]; then
  cosmic=true
  remote=true
  intune=true
fi
grep -qE '^images/fedora-cosmic/' <<< "${changed}" && cosmic=true
grep -qE '^images/fedora-remote/' <<< "${changed}" && remote=true
# Both fedora-intune and fedora-intune-himmelblau.
grep -qE '^images/fedora-intune' <<< "${changed}" && intune=true

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