[eas-cli] use branch mapping utility fn (#2186)

* [eas-cli] use branch mapping utility fn

* update CHANGELOG.md

CHANGELOG.md

@@ -12,6 +12,8 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🧹 Chores
 
+- Use branch mapping utility fn. ([#2186](https://github.com/expo/eas-cli/pull/2186) by [@quinlanj](https://github.com/quinlanj))
+
 ## [6.1.0](https://github.com/expo/eas-cli/releases/tag/v6.1.0) - 2024-01-18
 
 ### 🎉 New features

packages/eas-cli/src/commands/channel/edit.ts

@@ -4,7 +4,11 @@ import { print } from 'graphql';
 import gql from 'graphql-tag';
 
 import { selectBranchOnAppAsync } from '../../branch/queries';
-import { hasEmptyBranchMap, hasStandardBranchMap } from '../../channel/branch-mapping';
+import {
+  getAlwaysTrueBranchMapping,
+  hasEmptyBranchMap,
+  hasStandardBranchMap,
+} from '../../channel/branch-mapping';
 import { selectChannelOnAppAsync } from '../../channel/queries';
 import EasCommand from '../../commandUtils/EasCommand';
 import { ExpoGraphqlClient } from '../../commandUtils/context/contextUtils/createGraphqlClient';
@@ -124,11 +128,7 @@ export default class ChannelEdit extends EasCommand {
 
     const channel = await updateChannelBranchMappingAsync(graphqlClient, {
       channelId: existingChannel.id,
-      // todo: move branch mapping logic to utility
-      branchMapping: JSON.stringify({
-        data: [{ branchId: branch.id, branchMappingLogic: 'true' }],
-        version: 0,
-      }),
+      branchMapping: JSON.stringify(getAlwaysTrueBranchMapping(branch.id)),
     });
 
     if (json) {