feat(package): add stage-override-to-pr-base script

Author: dario-fazio

packages/branch-utilities/package.json

@@ -13,6 +13,9 @@
       "default": "./dist/index.js"
     }
   },
+  "bin": {
+    "stage-override-to-pr-base": "./dist/stage-override-to-pr-base.js"
+  },
   "scripts": {
     "prebuild": "rm -rf ./dist",
     "build": "tsc",
@@ -28,6 +31,9 @@
     "test:ci": "npm run test",
     "test:watch": "npm run test -- --watch"
   },
+  "dependencies": {
+    "yargs": "^17.7.2"
+  },
   "peerDependencies": {
     "tslib": "^2.3.0"
   },

packages/branch-utilities/src/scripts/index.ts

@@ -0,0 +1 @@
+export * from './stage-override-to-pr-base.function.js'

packages/branch-utilities/src/scripts/stage-override-to-pr-base.function.ts

@@ -0,0 +1,23 @@
+import { execReturn } from '../lib/helpers.js'
+
+export interface StageOverrideToPrBaseOptions {
+  branchNameOverride?: string
+}
+
+export async function stageOverrideToPrBase(
+  options: StageOverrideToPrBaseOptions | Promise<StageOverrideToPrBaseOptions>,
+): Promise<void> {
+  const opts = await options
+
+  const gitHubPrJson = execReturn('gh pr list --json headRefName,title,isDraft,closed')
+  const gitHubPrs = JSON.parse(gitHubPrJson)
+
+  const branchNameOverride = opts.branchNameOverride || process.env['GITHUB_BASE_REF']
+  const isPrOverride = !!gitHubPrs.find((pr: any) => pr.headRefName === branchNameOverride)
+
+  // export to env
+  process.stdout.write(`
+  export SC_OVERRIDE_BRANCH_NAME=${branchNameOverride}
+  export SC_OVERRIDE_IS_PR=${isPrOverride}
+  `)
+}

packages/branch-utilities/src/stage-override-to-pr-base.ts

@@ -0,0 +1,19 @@
+#!/usr/bin/env node
+/* eslint-disable no-console */
+import yargs from 'yargs'
+import { stageOverrideToPrBase } from './scripts/index.js'
+
+const args = yargs(process.argv)
+  .option('branchNameOverride', {
+    alias: 'b',
+    type: 'string',
+    description: 'branch name override to be used as PR base',
+  }).argv
+
+try {
+  const responseMsg = await stageOverrideToPrBase(args)
+  console.info(responseMsg)
+}catch (err){
+  console.error(err)
+  process.exit(1)
+}