diff --git a/package.json b/package.json
index 4956047..d0d167a 100644
--- a/package.json
+++ b/package.json
@@ -4,15 +4,15 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "dev": ". ./set_env.sh && vite",
-    "devh": ". ./set_env.sh && vite --host",
-    "build": "run-p type-check \"build-only {@}\" --",
-    "preview": ". ./set_env.sh && vite preview",
-    "previewh": ". ./set_env.sh && vite preview --host",
-    "build-only": ". ./set_env.sh && vite build",
-    "build:dev": ". ./set_env.sh && vite build --mode development",
+    "dev": "node scripts/gen-env.mjs",
+    "devh": "node scripts/gen-env.mjs --host",
+    "build": "run-p type-check build-only --",
+    "preview": "node scripts/gen-env.mjs preview",
+    "previewh": "node scripts/gen-env.mjs preview --host",
+    "build-only": "node scripts/gen-env.mjs build",
+    "build:dev": "NODE_ENV=development node scripts/gen-env.mjs build",
     "type-check": "vue-tsc --build --force",
-    "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs,.ts,.tsx,.cts,.mts --fix --ignore-path .gitignore",
+    "lint": "eslint . --ext .vue,.js,.jsx,.ts,.tsx --fix --ignore-path .gitignore",
     "format": "prettier --write src/"
   },
   "dependencies": {
diff --git a/scripts/gen-env.mjs b/scripts/gen-env.mjs
new file mode 100644
index 0000000..4fb29d1
--- /dev/null
+++ b/scripts/gen-env.mjs
@@ -0,0 +1,25 @@
+import { execSync, spawn } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+import { dirname, resolve } from 'node:path';
+
+const gitTag = execSync('git describe --tags')
+    .toString().trim().split('-').slice(0, 2).join('-');
+
+const lastCommit = execSync('git log -1 --format=%cd')
+    .toString().trim();
+
+// run whatever came after “npm run dev …”
+const argsFromNpm = process.argv.slice(2);        // e.g. ["--host"]
+
+spawn(
+    process.platform === 'win32' ? 'npx.cmd' : 'npx',
+    ['vite', ...argsFromNpm],
+    {
+        stdio: 'inherit',
+        env: {
+            ...process.env,
+            VITE_APP_GIT_TAG: gitTag,
+            VITE_APP_LAST_COMMIT: lastCommit
+        }
+    }
+).on('exit', code => process.exit(code));
\ No newline at end of file