Publish Factorio deployment as a Helm chart

scripts/chart-version.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -eu
+
+description=$(git describe --tags --long --match 'v[0-9]*' --dirty)
+case "$description" in
+  *-dirty) echo 'Refusing to package a dirty tree' >&2; exit 1 ;;
+esac
+version=${description#v}
+base=${version%%-[0-9]*}
+app_version=$(sed -n 's/^appVersion:[[:space:]]*//p' Chart.yaml | tr -d '"')
+test -n "$app_version" || { echo 'Chart.yaml appVersion is missing' >&2; exit 1; }
+test "$base" = "$app_version" || {
+  echo "Git release $base does not match Chart.yaml appVersion $app_version" >&2
+  exit 1
+}
+case "$version" in
+  *-0-g*) version=${version%%-0-g*} ;;
+esac
+printf '%s\n' "$version"