fix(ci): compute the correct hash

.github/actions/setup/action.yml

@@ -54,7 +54,7 @@ runs:
     - name: Compute cache common hash
       if: inputs.type != 'minimal'
       shell: bash
-      run: echo "CACHE_COMMON_HASH=${{ steps.diff.outputs.GITHUB_ACTIONS_CHANGED_HASH }}-${{ steps.diff.outputs.SCRIPTS_CHANGED_HASH }}" >> $GITHUB_ENV
+      run: echo "CACHE_COMMON_HASH=${{ steps.diff.outputs.COMMON_HASH }}" >> $GITHUB_ENV
 
     - name: Compute specs matrix
       if: inputs.type != 'minimal'

scripts/ci/setRunVariables.ts

@@ -1,5 +1,4 @@
 /* eslint-disable no-console */
-import type { HashElementOptions } from 'folder-hash';
 import { hashElement } from 'folder-hash';
 
 import { getNbGitDiff } from './utils';
@@ -19,17 +18,10 @@ const JS_CLIENT_FOLDER = 'clients/algoliasearch-client-javascript';
 const VARIABLES_TO_CHECK: Array<{
   name: string;
   path: string[];
-  needHash?: boolean;
-  hashOptions?: HashElementOptions;
 }> = [
   {
     name: 'GITHUB_ACTIONS_CHANGED',
     path: ['.github/actions', '.github/workflows', '.github/.cache_version'],
-    needHash: true,
-    hashOptions: {
-      folders: { include: ['.github/actions', '.github/workflows'] },
-      files: { include: ['.github/.cache_version'] },
-    },
   },
   {
     name: 'SPECS_CHANGED',
@@ -46,10 +38,6 @@ const VARIABLES_TO_CHECK: Array<{
   {
     name: 'SCRIPTS_CHANGED',
     path: ['scripts'],
-    needHash: true,
-    hashOptions: {
-      folders: { include: ['scripts'] },
-    },
   },
   {
     name: 'GENERATORS_CHANGED',
@@ -106,6 +94,42 @@ const VARIABLES_TO_CHECK: Array<{
   },
 ];
 
+// simple hash to reduce the hash length
+// reference: https://code-examples.net/en/q/7437cd
+function hashCode(str: string): string {
+  const p1 = 2654435761;
+  const p2 = 1597334677;
+  let h1 = 0xdeadbeef | 0;
+  let h2 = 0x41c6ce57 | 0;
+  for (let i = 0; i < str.length; i++) {
+    const ch = str.charCodeAt(i);
+    h1 = Math.imul(h1 + ch, p1);
+    h2 = Math.imul(h2 + ch, p2);
+  }
+  h1 = Math.imul(h1 ^ (h1 >>> 16), p2);
+  h2 = Math.imul(h2 ^ (h2 >>> 15), p1);
+  return ((h2 & 2097151) * 4294967296 + h1).toString(16);
+}
+
+async function computeCommonHash(): Promise<string> {
+  const hashGA = await hashElement('../.github', {
+    encoding: 'hex',
+    folders: { exclude: ['ISSUE_TEMPLATE'] },
+    files: { include: ['*.yml', '.cache_version'] },
+  });
+  const hashScripts = await hashElement('../scripts', {
+    encoding: 'hex',
+    folders: { exclude: ['docker', '__tests__'] },
+  });
+  const hashConfig = await hashElement('../', {
+    encoding: 'hex',
+    folders: { include: ['config'] },
+    files: { include: ['openapitools.json', 'clients.config.json'] },
+  });
+
+  return hashCode(`${hashGA.hash}-${hashScripts.hash}-${hashConfig.hash}`);
+}
+
 /**
  * Outputs variables used in the CI to determine if a job should run.
  */
@@ -124,14 +148,10 @@ async function setRunVariables({
 
     console.log(`Found ${diff} changes for '${check.name}'`);
     console.log(`::set-output name=${check.name}::${diff}`);
-    if (diff && check.needHash) {
-      const hash = (
-        await hashElement('.', { encoding: 'hex', ...check.hashOptions })
-      ).hash;
-      console.log(`::set-output name=${check.name}_HASH::${hash}`);
-    }
   }
 
+  console.log(`::set-output name=COMMON_HASH::${await computeCommonHash()}`);
+
   console.log(`::set-output name=ORIGIN_BRANCH::${originBranch}`);
 }