v6

src/input-helper.ts

@@ -89,7 +89,7 @@ export async function getInputs(): Promise<IGitSourceSettings> {
     }
   }
   // SHA?
-  else if (asciiTrimmedRef.match(/^[0-9a-fA-F]{40}$/)) {
+  else if (asciiTrimmedRef.match(/^(?:[0-9a-fA-F]{40}|[0-9a-fA-F]{64})$/)) {
     result.commit = asciiTrimmedRef
     result.ref = ''
   }