chore: do not update schema hash during tests or ci

generator/gen.ts

@@ -8,7 +8,9 @@ import traverse from 'json-schema-traverse';
 import mergeAllOf from 'json-schema-merge-allof';
 import type { JSONSchema7 } from 'json-schema';
 import { JSONSchema7Definition } from 'json-schema';
+import { isCI, isTest } from 'std-env';
 
+const doNotUpdateHash = isCI || isTest;
 const revision = '__v' + require('../package.json').version; // + Date.now();
 
 async function normalizeSchema(originalSchema: JSONSchema7, rootId: string, newRootId: string) {
@@ -148,10 +150,13 @@ export default async (params: { files: string[] }) => {
     const contents = await fs.readFile(file, 'utf-8');
     const saved = `${dir}/${name}.gen.json`;
     const savedExists = nodeFs.existsSync(saved);
-    const $hash = sha256(contents).toString() + revision;
+    let $hash = sha256(contents).toString() + revision;
     try {
       if (savedExists) {
         const existing = JSON.parse(await fs.readFile(saved, 'utf-8'));
+        if (doNotUpdateHash) {
+          $hash = existing.$hash;
+        }
         if (existing.$hash === $hash) {
           continue;
         }

package.json

@@ -37,6 +37,7 @@
     "pinst": "^3.0.0",
     "prettier": "^3.0.3",
     "split2": "^4.2.0",
+    "std-env": "3.4.3",
     "syncpack": "^11.2.1",
     "tap": "^16.3.8",
     "ts-node-dev": "^2.0.0",
@@ -80,7 +81,7 @@
     "preserver": "tsnd generator/gen.bin.ts gen 'test/test_schema.ts'",
     "pretest": "tsnd generator/gen.bin.ts gen 'test/test_schema.ts'",
     "server": "pnpm preserver && tsnd test/server.ts",
-    "test": "pnpm pretest && pnpm test:types && pnpm test:integration",
+    "test": "NODE_ENV=test pnpm pretest && pnpm test:types && pnpm test:integration",
     "test:integration": "TAP_TS=1 tap test/*.test.ts -R dot",
     "test:types": "tsc -p test/tsconfig.test.json"
   }