[RelEng] Add individual release preparation script for SWT

It will be called by the pipeline to prepare a new development cycle and
automates the configuration of SWT build scripts for the new cycle.

Author: HannesWell

prepareNextDevCycle.sh

@@ -0,0 +1,35 @@
+#!/bin/bash -xe
+
+#*******************************************************************************
+# Copyright (c) 2025, 2025 IBM Hannes Wellmann and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     Hannes Wellmann - initial API and implementation
+#*******************************************************************************
+
+# This script is called by the pipeline for preparing the next development cycle (this file's name is crucial!)
+# and applies the changes required individually for SWT.
+
+make_common_mak='bundles/org.eclipse.swt/Eclipse SWT/common/library/make_common.mak'
+source "${make_common_mak}"
+new_min_ver=$((min_ver + 1))
+
+sed -i "${make_common_mak}" \
+	--expression "s|min_ver=${min_ver}|min_ver=${new_min_ver}|g" \
+	--expression "s|rev=[0-9]\+|rev=0|g"
+
+sed -i 'bundles/org.eclipse.swt/Eclipse SWT PI/common/org/eclipse/swt/internal/Library.java' \
+	--expression "s|MINOR_VERSION = ${min_ver};|MINOR_VERSION = ${new_min_ver};|g" \
+	--expression "s|REVISION = [0-9]\+;|REVISION = 0;|g"
+
+echo "version ${maj_ver}.${new_min_ver}" > 'bundles/org.eclipse.swt/Eclipse SWT/common/version.txt'
+
+
+git commit --all --message "Configure SWT build scripts for ${NEXT_RELEASE_VERSION}"