magic!

.github/workflows/test.yml

@@ -9,8 +9,8 @@ on:
 jobs:
   install-build:
     outputs:
-      foo-service: 'run'
-      bar-service: 'skip'
+      foo-service: ${{ steps.install.outputs.foo-service }}
+      bar-service: ${{ steps.install.outputs.bar-service }}
     runs-on: ubuntu-latest
     steps:
       - name: install

gen-service-version.mjs

@@ -11,10 +11,14 @@ const serviceVersions = {};
 const currentCommit = latestCommitInDirectory('.');
 
 for (const service of services) {
-    const version = latestCommitInDirectory(service);
-
-    serviceVersions[service] = version;
+    serviceVersions[service] = latestCommitInDirectory(service);
 }
 
 console.log(currentCommit);
 console.log(serviceVersions);
+
+Object.entries(serviceVersions).forEach(([name, version]) => {
+    const skip = version === currentCommit ? 'run' : 'skip';
+
+    console.log(`::set-output name=${name}::${skip}`)
+});