1#!/bin/bash
2
3set -e
4
5# Switch to the build directory
6cd $(dirname "${BASH_SOURCE[0]}")
7
8# The source directory path and operating system will get written to
9# .soong.bootstrap by the bootstrap script.
10
11BOOTSTRAP=".soong.bootstrap"
12if [ ! -f "${BOOTSTRAP}" ]; then
13    echo "Error: soong script must be located in a directory created by bootstrap.bash"
14    exit 1
15fi
16
17source "${BOOTSTRAP}"
18
19# Now switch to the source directory so that all the relative paths from
20# $BOOTSTRAP are correct
21cd ${SRCDIR_FROM_BUILDDIR}
22
23# Ninja can't depend on environment variables, so do a manual comparison
24# of the relevant environment variables from the last build using the
25# soong_env tool and trigger a build manifest regeneration if necessary
26ENVFILE="${BUILDDIR}/.soong.environment"
27ENVTOOL="${BUILDDIR}/.bootstrap/bin/soong_env"
28if [ -f "${ENVFILE}" ]; then
29    if [ -x "${ENVTOOL}" ]; then
30        if ! "${ENVTOOL}" "${ENVFILE}"; then
31            echo "forcing build manifest regeneration"
32            rm -f "${ENVFILE}"
33        fi
34    else
35        echo "Missing soong_env tool, forcing build manifest regeneration"
36        rm -f "${ENVFILE}"
37    fi
38fi
39
40BUILDDIR="${BUILDDIR}" NINJA="prebuilts/build-tools/${PREBUILTOS}/bin/ninja" build/blueprint/blueprint.bash "$@"
41