Limit retries of diff

Author: aegilops

src/sbomCollector.ts

@@ -325,7 +325,7 @@ export class SbomCollector {
                   console.error(chalk.red(`Force submission failed for ${fullName} branch ${b.name}: ${(subErr as Error).message}`));
                 }
               }
-              const diff = await this.fetchDependencyReviewDiff(org, repo.name, base, b.name);
+              const diff = await this.fetchDependencyReviewDiff(org, repo.name, base, b.name, 1);
               branchDiffs.set(b.name, diff);
             }
             if (branchDiffs.size) sbom.branchDiffs = branchDiffs;
@@ -495,7 +495,10 @@ export class SbomCollector {
     return branches;
   }
 
-  private async fetchDependencyReviewDiff(org: string, repo: string, base: string, head: string): Promise<BranchDependencyDiff> {
+  private async fetchDependencyReviewDiff(org: string, repo: string, base: string, head: string, retries: number): Promise<BranchDependencyDiff> {
+    if (retries <= 0) {
+      return { latestCommitDate: undefined, base, head, retrievedAt: new Date().toISOString(), changes: [], error: "Maximum retries exceeded" };
+    }
     if (!this.octokit) throw new Error("No Octokit instance");
     try {
       const basehead = `${base}...${head}`;
@@ -532,7 +535,7 @@ export class SbomCollector {
             if (ok) {
               console.log(chalk.blue(`Snapshot submission attempted; waiting 3 seconds before retrying dependency review diff for ${org}/${repo} ${base}...${head}...`));
               await new Promise(r => setTimeout(r, 3000));
-              return await this.fetchDependencyReviewDiff(org, repo, base, head);
+              return await this.fetchDependencyReviewDiff(org, repo, base, head, retries--);
             }
           } catch (subErr) {
             console.error(chalk.red(`Snapshot submission failed for ${org}/${repo} branch ${head}: ${(subErr as Error).message}`));