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path: root/bin/transactor.in
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#!/bin/sh
set -euo pipefail


usage() {
	cat <<-'EOF'
		Usage:
		  transactor [-p PORT] FILE
	EOF
}



VALCACHESIZE=
PORT=50200
CACHEDIR='cache'
TEMPDATADIR='tmp'
while getopts 'p:C:S:T:' flag; do
	case "$flag" in
		(p)
			PORT="$OPTARG"
			;;
		(C)
			CACHEDIR="$OPTARG"
			;;
		(S)
			VALCACHESIZE="$OPTARG"
			;;
		(T)
			TEMPDATADIR="$OPTARG"
			;;
		(*)
			usage >&2
			exit 2
			;;
	esac
done
shift $((OPTIND - 1))

if [ -z "${1:-}" ]; then
	echo 'Missing FILE.' >&2
	usage >&2
	exit 2
fi
FILE="$1"



if [ -z "$VALCACHESIZE" ]; then
	VALCACHESIZE="$(
		df -Pk -- "$(dirname -- "$FILE")" |
			tail -n1 |
			awk '{printf "%.0f\n", $2 / (1024 * 1024)}'
	)"
fi

sqlite3 "$FILE" < @SYSCONFDIR@/init.sql >&2

set -x
exec java \
	-server \
	-Djava.security.manager=allow \
	-Xms4g \
	-Xmx4g \
	-XX:+UseG1GC \
	-XX:MaxGCPauseMillis=50 \
	--class-path '@SYSCONFDIR@/:@JAVADIR@/*' \
	clojure.main \
	--main datomic.launcher \
	<(
		sed \
			-e "s|@PORT@|$PORT|g"                 \
			-e "s|@FILE@|$FILE|g"                 \
			-e "s|@CACHEDIR@|$CACHEDIR|g"         \
			-e "s|@TEMPDATADIR@|$TEMPDATADIR|g"   \
			-e "s|@VALCACHESIZE@|$VALCACHESIZE|g" \
			@SYSCONFDIR@/transactor.properties.tmpl |
				tee /dev/stderr
	)