init attest build provenance

src/main.ts

@@ -1,5 +1,5 @@
+import { generateProvenancePredicate } from '@actions/attest'
 import * as core from '@actions/core'
-import { wait } from './wait'
 
 /**
  * The main function for the action.
@@ -7,20 +7,14 @@ import { wait } from './wait'
  */
 export async function run(): Promise<void> {
   try {
-    const ms: string = core.getInput('milliseconds')
+    // Calculate subject from inputs and generate provenance
+    const predicate = generateProvenancePredicate(process.env)
 
-    // Debug logs are only output if the `ACTIONS_STEP_DEBUG` secret is true
-    core.debug(`Waiting ${ms} milliseconds ...`)
-
-    // Log the current timestamp, wait, then log the new timestamp
-    core.debug(new Date().toTimeString())
-    await wait(parseInt(ms, 10))
-    core.debug(new Date().toTimeString())
-
-    // Set outputs for other workflow steps to use
-    core.setOutput('time', new Date().toTimeString())
-  } catch (error) {
+    core.setOutput('predicate', predicate.params)
+    core.setOutput('predicate-type', predicate.type)
+  } catch (err) {
+    const error = err instanceof Error ? err : new Error(`${err}`)
     // Fail the workflow run if an error occurs
-    if (error instanceof Error) core.setFailed(error.message)
+    core.setFailed(error.message)
   }
 }

src/wait.ts

@@ -1,14 +0,0 @@
-/**
- * Wait for a number of milliseconds.
- * @param milliseconds The number of milliseconds to wait.
- * @returns {Promise<string>} Resolves with 'done!' after the wait is over.
- */
-export async function wait(milliseconds: number): Promise<string> {
-  return new Promise(resolve => {
-    if (isNaN(milliseconds)) {
-      throw new Error('milliseconds not a number')
-    }
-
-    setTimeout(() => resolve('done!'), milliseconds)
-  })
-}