m2n

#!/bin/bash
#
# A wrapper for kati which generates build.ninja mainly for Android.
#

set -e

kati_dir=$(cd $(dirname $0) && pwd)

goma_flag=

case "$1" in
  --help)
    cat - <<EOF
Usage:
  m2n         # for full-build
  m2n --goma  # use goma. \$HOME/goma must exist
  m2n bionic  # works like mmm
EOF
    exit 1
    ;;
  --goma)
    if [ ! -e $HOME/goma/goma_ctl.py ]; then
      echo "$HOME/goma/goma_ctl.py should exist to use goma"
      exit 1
    fi
    $HOME/goma/goma_ctl.py ensure_start
    goma_flag=--goma_dir=$HOME/goma
    ;;
  *)
    target=$1
    shift
    ;;
esac

kati=${kati_dir}/kati

if [ x"${target}" != x"" ]; then
  export ONE_SHOT_MAKEFILE=${target}/Android.mk
  echo ONE_SHOT_MAKEFILE=${ONE_SHOT_MAKEFILE}
fi

${kati} --ninja --ignore_optional_include=out/%.P ${goma_flag}

echo ninja.sh and build.ninja were generated, please run ./ninja.sh