From 6c1930eadbdfec8b825f1aadc2304a5017a03551 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Mon, 1 Dec 2025 20:08:34 -0300
Subject: m

---
 bin/transactor    | 19 -------------
 bin/transactor.in | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+), 19 deletions(-)
 delete mode 100755 bin/transactor
 create mode 100755 bin/transactor.in

(limited to 'bin')

diff --git a/bin/transactor b/bin/transactor
deleted file mode 100755
index 54c7b0d..0000000
--- a/bin/transactor
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/sh
-set -euo pipefail
-
-sqlite3 storage.db < etc/init.sql
-mkdir -p tmp cache
-
-exec java \
-	-server \
-	-Djava.security.manager=allow \
-	-Ddatomic.valcachePath=cache2 \
-	-Ddatomic.valcacheMaxGb=100 \
-	-Xms4g \
-	-Xmx4g \
-	-XX:+UseG1GC \
-	-XX:MaxGCPauseMillis=50 \
-	--class-path 'etc/:lib/*' \
-	clojure.main \
-	--main datomic.launcher \
-	etc/transactor.properties
diff --git a/bin/transactor.in b/bin/transactor.in
new file mode 100755
index 0000000..c47f2c7
--- /dev/null
+++ b/bin/transactor.in
@@ -0,0 +1,79 @@
+#!/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="$(
+		df -Pk "$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 'etc/:lib/*' \
+	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
+	)
-- 
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