fix: guard against a nil resp

wolf31o2 · wolf31o2 · commit 594dcb75034f · 2024-10-30T08:57:40.000-04:00
Signed-off-by: Chris Gianelloni &lt;wolf31o2@blinklabs.io&gt;
diff --git a/input/chainsync/chainsync.go b/input/chainsync/chainsync.go
@@ -452,6 +452,9 @@ func getKupoClient(c *ChainSync) (*kugo.Client, error) {
 	}
 	defer resp.Body.Close()
 
+	if resp == nil {
+		return nil, fmt.Errorf("health check response empty, aborting")
+	}
 	if resp.StatusCode != http.StatusOK {
 		return nil, fmt.Errorf("health check failed with status code: %d", resp.StatusCode)
 	}

Original file line number	Diff line number	Diff line change
`@@ -452,6 +452,9 @@ func getKupoClient(c ChainSync) (kugo.Client, error) {`
`452`	`452`	`}`
`453`	`453`	`defer resp.Body.Close()`
`454`	`454`
	`455`	`+ if resp == nil {`
	`456`	`+ return nil, fmt.Errorf("health check response empty, aborting")`
	`457`	`+ }`
`455`	`458`	`if resp.StatusCode != http.StatusOK {`
`456`	`459`	`return nil, fmt.Errorf("health check failed with status code: %d", resp.StatusCode)`
`457`	`460`	`}`