test to specify branch/channel

.github/scripts/build.mjs

@@ -16,6 +16,7 @@ import {program} from "commander";
 const branchName = process.env.BRANCH_NAME
 const appStoreBundleId = process.env.APP_STORE_BUNDLE_ID
 const refType = process.env.REF_TYPE // -> can be tag or branch, @see https://docs.github.com/en/actions/learn-github-actions/contexts
+const branch = process.env.EAS_BUILD_PROFILE
 /*******************************/
 
 const aExec = promisify(exec)
@@ -29,7 +30,7 @@ const __dirname = path.dirname(__filename)
 async function actionHandler() {
 
     const expoCommandBase = `eas build --platform all --non-interactive --no-wait`
-    const expoUpdateCommandBase = `eas update --auto`
+    const expoUpdateCommandBase = `eas update --branch ${branch} --auto`
 
     const {stdout: appStoreVersion, stderr: error1} = await aExec(
         `node ${__dirname}/readAppVersion.mjs -i ${appStoreBundleId}`