dev

#!/usr/bin/env bash

SCRIPT_NAME=$(basename $0)

DEV_SUBCOMMANDS=(
  'up'
  'shell'
  'test'
  'package'
  'upload'
)

log() {
  echo "$SCRIPT_NAME: $(date): INFO: $*" 1>&2
}
error() {
  echo "$SCRIPT_NAME: $(date): ERROR: $*" 1>&2
}
die() {
  error "$*"
  exit 1
}

check_requires() {
  log "Running $SCRIPT_NAME with env:"
  for r in $@; do
    if ! printenv "$r" > /dev/null; then
      die "Could not find required env var: '$r'"
    fi
    echo "   $r=$(printenv $r)" 1>&2
  done

}

export_env() {
  git_branch="$(git branch --show)"
  if [ -z "$git_branch" ]; then
    error "HEAD is not attached; no git_branch is available."
  fi
  export ROOT_DIR=$(dirname $SCRIPT_NAME)
  export TARGET_ENV="$git_branch"
}

run() {
  if [ -z "$1" ] || [[ "$1" == 'help' ]]; then
    echo "Usage: $SCRIPT_NAME [${DEV_SUBCOMMANDS[@]}]"
  else
    export_env
    script="$ROOT_DIR/bin/dev-$1"
    if [ -x "$script" ]; then
      shift
      "$script" $*
    else
      die "Provided subcommand: '$1' is not valid; no executable script $script"
    fi
  fi
  return $?
}

# Only run & exit if this script is called directly; run & exit will
# not be called if dev is being sourced with '.' or 'source'
if [ "${BASH_SOURCE[0]}" -ef "$0" ]; then
  run $*
  exit $?
fi