Include release scripts

contrib/increment-version

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+if [ "$#" -ne 1 ]; then
+  echo "usage: $0 <new-version>" >&2
+  exit 1
+fi
+
+new_version="$1"
+
+if [ "$new_version" != "${new_version#v}" ]; then
+  echo "Error: The new version shouldn't be prefixed with a \"v\"." >&2
+  exit 1
+fi
+
+set -x
+
+sed -i meson.build -e "s/^  version: '.*'/  version: '$new_version'/"
+
+echo -n "Minimum wlroots version? "
+read -r wlr_version_min
+
+sed -i meson.build -e "s/'wlroots', version: '.*'/'wlroots', version: '>= $wlr_version_min'/"
+
+git add meson.build
+git commit -m "Update version to $new_version"