Add a script to update version strings

Author: juzzlin

scripts/update-version

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Updates Heimer version in all build and packaging scripts. 
+# Must be run in the project root.
+
+VERSION_MAJOR=$1
+VERSION_MINOR=$2
+VERSION_PATCH=$3
+
+if [[ ! $1 || ! $2 || ! $3 ]]; then
+    echo "Usage: $0 VERSION_MAJOR VERSION_MINOR VERSION_PATCH"
+    exit 1
+fi
+
+FILE=CMakeLists.txt
+echo "Updating ${FILE} .."
+sed -i "s/^set(VERSION_MAJOR.*/set(VERSION_MAJOR ${VERSION_MAJOR})/" ${FILE} || exit 1
+sed -i "s/^set(VERSION_MINOR.*/set(VERSION_MINOR ${VERSION_MINOR})/" ${FILE} || exit 1
+sed -i "s/^set(VERSION_PATCH.*/set(VERSION_PATCH ${VERSION_PATCH})/" ${FILE} || exit 1
+
+FILE=packaging/windows/dustrac.nsi
+echo "Updating ${FILE} .."
+sed -i "s/^!define VERSIONMAJOR.*/!define VERSIONMAJOR ${VERSION_MAJOR}/" ${FILE} || exit 1
+sed -i "s/^!define VERSIONMINOR.*/!define VERSIONMINOR ${VERSION_MINOR}/" ${FILE} || exit 1
+sed -i "s/^!define VERSIONBUILD.*/!define VERSIONBUILD ${VERSION_PATCH}/" ${FILE} || exit 1
+
+for FILE in src/editor/editor.pro src/game/game.pro scripts/build-windows-installer; do
+    echo "Updating ${FILE} .."
+    sed -i -E "s/[0-9]+\.[0-9]+\.[0-9]+/$VERSION_MAJOR.$VERSION_MINOR.$VERSION_PATCH/" ${FILE} || exit 1
+done
+
+git diff
+
+echo "Done."
+