build: post version script

package.json

@@ -14,7 +14,7 @@
     "debug-firefox": "web-ext run --source-dir=dist --firefox-profile=firefox-profile --profile-create-if-missing --keep-profile-changes --start-url https://github.com/EnixCoda/Gitako",
     "analyze-bundle": "ANALYZE= NODE_ENV=production webpack",
     "postinstall": "node scripts/fix-deps",
-    "preversion": "make version-safari && git add .",
+    "postversion": "sh scripts/post-version.sh",
     "build": "VERSION=v$(node scripts/get-version.js) NODE_ENV=production webpack",
     "roll": "make release",
     "test": "yarn run test:parallel && yarn run test:non-parallel",

scripts/post-version.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# exit on error
+set -e
+
+# get current version
+version=$(node scripts/get-version.js)
+
+# remove git tag
+git tag -d v$version
+
+# update Safari version
+make version-safari
+
+# merge to previous git
+git add .
+git commit --amend --no-edit
+
+# add git tag
+git tag v$version