autobuild-with-pbuilder

#!/bin/bash
set -e

SELFDIR=`dirname "$0"`
SELFDIR=`cd "$SELFDIR"; pwd`
source "$SELFDIR/library"
source "$PASSENGER_AUTOBUILDER_CONFIG_DIR/signing"

function cleanup()
{
	local pids=`jobs -p`
	if [[ "$pids" != "" ]]; then
		set +e
		kill $pids
	fi
}

function usage()
{
	echo "Usage: ./autobuild-with-pbuilder GIT_URL NAME [--only-one] [--tag=TAG] [--dry-run]"
}

function sign()
{
	for F in "$@"; do
		status "Signing $F"
		rm -f "$F.asc"
		if [[ "$SIGNING_METHOD" = "local" ]]; then
			gpg --batch --armor --local-user "$SIGNING_KEY" --detach-sign \
				--passphrase-fd 3 "$F" 3<<<"$SIGNING_KEY_PASSWORD"
		elif [[ "$SIGNING_METHOD" = "remote" ]]; then
			signature=`$SIGNING_SSH_COMMAND < "$F"`
			echo "$signature" > "$F.asc"
		else
			echo "Invalid signing method $SIGNING_METHOD. Please check $PASSENGER_AUTOBUILDER_CONFIG_DIR/signing."
			exit 1
		fi
	done
}

function perform()
{
	local base_tgz
	local arch
	local platform
	base_tgz="$1"
	arch="$2"
	platform="$3"

	local maybe_linux32
	if [[ $arch == i386 ]]; then
		maybe_linux32=linux32
	else
		maybe_linux32=
	fi

	local bindmounts
	if [[ -e /etc/vagrant_box_build_time ]]; then
		bindmounts="$PASSENGER_AUTOBUILDER_ROOT $PASSENGER_AUTOBUILDER_APP_DIR"
	else
		bindmounts="$PASSENGER_AUTOBUILDER_ROOT"
	fi

	status "Performing build: $platform"
	local result_file="$PASSENGER_AUTOBUILDER_RUN_DIR/result-$$.txt"
	$maybe_linux32 sudo /usr/sbin/pbuilder execute \
		--basetgz "$base_tgz" \
		--bindmounts "$bindmounts" \
		-- \
		"$PASSENGER_AUTOBUILDER_APP_DIR/autobuild-bootstrap-in-pbuilder" \
		"$PASSENGER_AUTOBUILDER_APP_DIR" \
		"$name" "$platform" \
		"--git-url=$git_url" \
		"--result-file=$result_file" \
		"--timeout=2700" \
		"${extra_args[@]}"
	if [[ -f "$result_file" ]]; then
		local generated_files=`cat "$result_file"`
		rm -f "$result_file"
		status "Signing output files for platform $platform"
		sign $generated_files
	fi
}

trap cleanup EXIT

git_url="$1"
name="$2"
only_one=
extra_args=()
shift
shift

for arg in "$@"; do
	case "$arg" in
	--only-one)
		only_one=1
		;;
	--tag=* | --branch=* | --dry-run | --create-release-symlink)
		extra_args+=("$arg")
		;;
	*)
		echo "Invalid argument $arg"
		exit 1
		;;
	esac
done

if [[ "$git_url" = "" || "$name" = "" ]]; then
	usage
	exit 1
fi

umask u=rwx,g=rx,o=rx

perform "$PASSENGER_AUTOBUILDER_IMAGES_DIR/lucid-amd64.tgz" amd64 linux-x86_64
if [[ "$only_one" != "" ]]; then exit; fi
perform "$PASSENGER_AUTOBUILDER_IMAGES_DIR/lucid-i386.tgz" i386 linux-x86

if [[ -e "$PASSENGER_AUTOBUILDER_CONFIG_DIR/s3" ]]; then
	status "Syncing to S3"
	"$PASSENGER_AUTOBUILDER_APP_DIR/sync_to_s3"
fi

success "All done!"