util

#!/usr/bin/env sh
export BUILDX_NO_DEFAULT_LOAD=true

: ${CI=}
: ${GITHUB_ACTIONS=}
: ${CACHE_FROM=}
: ${CACHE_TO=}

progressFlag=""
if [ "$CI" = "true" ]; then
  progressFlag="--progress=plain"
fi

buildxCmd() {
  if docker buildx version >/dev/null 2>&1; then
    set -x
    docker buildx "$@" $progressFlag
  elif buildx version >/dev/null 2>&1; then
    set -x
    buildx "$@" $progressFlag
  elif docker version >/dev/null 2>&1; then
    set -x
    DOCKER_BUILDKIT=1 docker "$@" $progressFlag
  else
    echo >&2 "ERROR: Please enable DOCKER_BUILDKIT or install standalone buildx"
    exit 1
  fi
}

setFlags=""
if [ "$GITHUB_ACTIONS" = "true" ]; then
  if [ -n "$CACHE_FROM" ]; then
    for cfrom in $CACHE_FROM; do
      setFlags="${setFlags}--set=*.cache-from=$cfrom "
    done
  fi
  if [ -n "$CACHE_TO" ]; then
    for cto in $CACHE_TO; do
      setFlags="${setFlags}--set=*.cache-to=$cto "
    done
  fi
fi