Fixes #6 Add support for updating releases

src/Inputs.ts

@@ -5,6 +5,7 @@ import { ArtifactGlobber } from './ArtifactGlobber';
 import { Artifact } from './Artifact';
 
 export interface Inputs {
+    readonly allowUpdates: boolean
     readonly artifacts: Artifact[]
     readonly body: string
     readonly commit: string
@@ -23,6 +24,11 @@ export class CoreInputs implements Inputs {
         this.context = context
     }
 
+    get allowUpdates(): boolean {
+        const allow = core.getInput('allowUpdates')
+        return allow == 'true'
+    }
+
     get artifacts(): Artifact[] {
         let artifacts = core.getInput('artifacts')
         if (!artifacts) {