post-release

#!/bin/bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x

APP="$1"
IMAGE="dokku/$1"
SCALE_FILE="$DOKKU_ROOT/$APP/SCALE"

PLUGIN_DIR=$(dirname $0)
. "$PLUGIN_DIR/lib/helpers"

# Check for Procfile
id=$(docker run -d $IMAGE test -f app/Procfile)
if [ $(docker wait $id) -ne 0 ]; then
  exit 0
fi

copy_to_container "$PLUGIN_DIR/lib/procfile-to-supervisord" /build/procfile-to-supervisord
if [ -f "$SCALE_FILE" ]; then
  echo "Found SCALE file: $SCALE_FILE"
  copy_to_container "$SCALE_FILE" /app/SCALE
fi

echo "-----> Injecting Logging Supervisor ..."

if docker run -a stdout -i $IMAGE /usr/bin/dpkg -s supervisor > /dev/null; then
  echo "supervisor is already installed (skipping apt-get update/install)"
else
  echo "supervisor is not installed (will install via apt-get)"
  id=$(docker run -i -a stdin $IMAGE /bin/bash -c "apt-get update && apt-get install -y supervisor && apt-get clean")
  test $(docker wait $id) -eq 0
  docker commit $id $IMAGE > /dev/null
fi

# Replace /start with our custom runner:
id=$(cat "$PLUGIN_DIR/lib/runner" | docker run -i -a stdin $IMAGE /bin/bash -c "cat > /start")
test $(docker wait $id) -eq 0
docker commit $id $IMAGE > /dev/null