improved postversion hook

package.json

@@ -10,10 +10,7 @@
     "prebuild": "npm run test && npm run lint && npm run clean",
     "build": "tsc --outDir dist && npm run executable",
     "executable": "sed -i \"1s/^/#!\\/usr\\/bin\\/env node\\n/\" dist/index.js",
-    "version:patch": "npm run build && npm version patch",
-    "version:minor": "npm run build && npm version minor",
-    "version:major": "npm run build && npm version major",
-    "postversion": "generate-readme && git add . && git commit --amend --no-edit"
+    "postversion": "bash ./scripts/postversion.sh"
   },
   "repository": {
     "type": "git",

scripts/postversion.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+declare version=$(printenv | grep -e "npm_package_version" | tail -c 6)
+
+generate-readme &&
+    git commit --all --no-edit --amend &&
+    git tag -af $(git tag --list | tail -n 1) -m "bumped version to $version"