[SSUS] Some progress, appending archive works, detecting slxadmin version works

1 files changed, 41 insertions, 0 deletions

diff --git a/satellit_upgrader/pack-update.sh b/satellit_upgrader/pack-update.sh
new file mode 100755
index 0000000..71f24b6
--- /dev/null
+++ b/satellit_upgrader/pack-update.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+declare -rg SELFPID=$$
+perror () {
+	if [ -n "$IGNORE_ERRORS" ]; then
+		echo "[ERROR] $@"
+		return 0
+	fi
+	echo "[FATAL] $@"
+	[ "$$" != "$SELFPID" ] && kill "$SELFPID"
+	exit 1
+}
+
+#declare -rg TMPDIR=$(mktemp -d)
+#[ -d "$TMPDIR" ] || perror "TMPDIR fail."
+declare -rg UPDATER="updater.sh"
+
+cp "updater.template.sh" "$UPDATER" || perror "could not copy template"
+chmod +x "$UPDATER"
+
+# Replace variables
+# slxadmin version
+echo -n "Includes SLX-Admin: "
+if [ -e "files/slx-admin.tar.gz" ]; then
+	echo "yes"
+	VERS=$(tar -xOf "files/slx-admin.tar.gz" "inc/database.inc.php" | grep -A3 'function getExpectedSchemaVersion' | grep -o -E 'return [0-9]+' | grep -o -E '[0-9]+')
+	[ -n "$VERS" ] || perror "Could not extract slx-admin version!"
+	echo "Version: $VERS"
+	sed -i "s/%TARGET_WEBIF_VERSION%/${VERS}/" "$UPDATER" || perror "could not patch slxadmin version in updater"
+else
+	echo "no"
+fi
+# Last patch: Payload offset
+# Calc payload offset, which is tricky as the size changes as we patch
+SIZE=$(stat -c %s "$UPDATER")
+SIZE=$(( ( $SIZE / 1024 ) * 1024 + 1024 ))
+sed -i "s/%PAYLOAD_OFFSET%/${SIZE}/" "$UPDATER" || perror "could not patch payload variable in updater"
+# Truncate, append payload
+truncate --size="$SIZE" "$UPDATER" || perror "Could not truncate updater to $SIZE bytes"
+tar ckz files/* >> "$UPDATER" || perror "Could not append payload to updater"
+