release process

tag.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -euo pipefail
+[ -n "${TRACE:-}" ] && set -x
+
+current_tag="$(git describe --tags --abbrev=0)"
+next_tag="$(datever increment "$current_tag")"
+
+if [[ "$(git describe --exact-match --tags 2>/dev/null)" != "" ]]; then
+  echo "Current commit is already tagged; quiting..."
+  exit 1
+fi
+
+git tag "$next_tag"