#!/bin/bash
# build-all.sh - script to build all packages with a build order specified by buildorder.py

set -e -u -o pipefail

# Read settings from .termuxrc if existing
test -f $HOME/.termuxrc && . $HOME/.termuxrc
: ${TERMUX_TOPDIR:="$HOME/.termux-build"}
: ${TERMUX_ARCH:="aarch64"}

_show_usage () {
	echo "Usage: ./build-all.sh [-a ARCH]"
	echo "Build all packages. ARCH is one of aarch64 (default), arm, i686 or x86_64."
	exit 1
}

while getopts :a:hdDs option; do
case "$option" in
	a) TERMUX_ARCH="$OPTARG";;
	h) _show_usage;;
esac
done
shift $((OPTIND-1))
if [ "$#" -ne 0 ]; then _show_usage; fi

if [[ ! "$TERMUX_ARCH" =~ ^(aarch64|arm|i686|x86_64)$ ]]; then
	echo "ERROR: Invalid arch '$TERMUX_ARCH'" 1>&2
	exit 1
fi

BUILDSCRIPT=`dirname $0`/build-package.sh
BUILDALL_DIR=$TERMUX_TOPDIR/_buildall-$TERMUX_ARCH
BUILDORDER_FILE=$BUILDALL_DIR/buildorder.txt
BUILDSTATUS_FILE=$BUILDALL_DIR/buildstatus.txt

if [ -e $BUILDORDER_FILE ]; then
	echo "Using existing buildorder file: $BUILDORDER_FILE"
else
	mkdir -p $BUILDALL_DIR
	./scripts/buildorder.py > $BUILDORDER_FILE
fi
if [ -e $BUILDSTATUS_FILE ]; then
	echo "Continuing build-all from: $BUILDSTATUS_FILE"
fi

exec >  >(tee -a $BUILDALL_DIR/ALL.out)
exec 2> >(tee -a $BUILDALL_DIR/ALL.err >&2)
trap "echo ERROR: See $BUILDALL_DIR/\${package}.err" ERR

for package in `cat $BUILDORDER_FILE`; do
	# Check build status (grepping is a bit crude, but it works)
	if [ -e $BUILDSTATUS_FILE ] && grep "^$package\$" $BUILDSTATUS_FILE >/dev/null; then
		echo "Skipping $package"
		continue
	fi

	echo -n "Building $package... "
	BUILD_START=`date "+%s"`
	bash -x $BUILDSCRIPT -a $TERMUX_ARCH -s $package \
	        > $BUILDALL_DIR/${package}.out 2> $BUILDALL_DIR/${package}.err
	BUILD_END=`date "+%s"`
	BUILD_SECONDS=$(( $BUILD_END - $BUILD_START ))
	echo "done in $BUILD_SECONDS"

	# Update build status
	echo "$package" >> $BUILDSTATUS_FILE
done

# Update build status
rm -f $BUILDSTATUS_FILE
echo "Finished"