Add bump-version.sh script
diff --git a/bump-version.sh b/bump-version.sh
new file mode 100755
index 0000000..3cdcea3
--- /dev/null
+++ b/bump-version.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Bumps Emfatic to a new version
+# Requires xmlstarlet to be installed (sudo apt install xmlstarlet)
+
+export VERSION="$1"
+
+if [[ -z "$VERSION" ]]; then
+ echo "Usage: $0 [version without .qualifier nor -SNAPSHOT]"
+ exit 1
+fi
+
+update_poms_subdir() {
+ find "$1" -name pom.xml | (
+ while read f; do
+ update_xml /pom:project/pom:parent/pom:version "$VERSION-SNAPSHOT" "$f"
+ done
+ )
+}
+
+update_xml() {
+ XPATH="$1"
+ VALUE="$2"
+ shift 2
+ xmlstarlet ed -L -P -N "pom=http://maven.apache.org/POM/4.0.0" -u "$XPATH" -v "$VALUE" $@
+}
+
+# Plain Maven is just this one command
+mvn -f pom-plain.xml versions:set -DnewVersion="$VERSION-SNAPSHOT"
+
+# Tycho versions:set plugin does not do all we want
+update_xml /pom:project/pom:version "$VERSION-SNAPSHOT" pom.xml
+update_poms_subdir bundles
+update_poms_subdir features
+update_poms_subdir releng
+
+# Update plugin versions
+find -path '*/org.eclipse.*/*' -name MANIFEST.MF \
+ -execdir sed -i "s/Bundle-Version:.*/Bundle-Version: $VERSION.qualifier/" '{}' \;
+
+# Update features (update sites should not mention any feature versions)
+find -path '*/org.eclipse.*/*' -name feature.xml | (
+ while read f; do
+ update_xml /feature/@version "$VERSION.qualifier" "$f"
+ done
+)
+
+# Update products
+find -name '*.product' -type f | (
+ while read f; do
+ update_xml /product/@version "$VERSION.qualifier" "$f"
+ done
+)
