fix(chainsync): error on nil resp from kupo (#512)

wolf31o2 · web-flow · commit 854fed164a1d · 2025-09-18T07:39:59.000-04:00
Signed-off-by: Chris Gianelloni &lt;wolf31o2@blinklabs.io&gt;
diff --git a/input/chainsync/chainsync.go b/input/chainsync/chainsync.go
@@ -578,6 +578,9 @@ func getKupoClient(c *ChainSync) (*kugo.Client, error) {
 			return nil, fmt.Errorf("failed to perform health check: %w", err)
 		}
 	}
+	if resp == nil {
+		return nil, errors.New("health check failed with nil response")
+	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {

Original file line number	Diff line number	Diff line change
`@@ -578,6 +578,9 @@ func getKupoClient(c ChainSync) (kugo.Client, error) {`
`578`	`578`	`return nil, fmt.Errorf("failed to perform health check: %w", err)`
`579`	`579`	`}`
`580`	`580`	`}`
	`581`	`+ if resp == nil {`
	`582`	`+ return nil, errors.New("health check failed with nil response")`
	`583`	`+ }`
`581`	`584`	`defer resp.Body.Close()`
`582`	`585`
`583`	`586`	`if resp.StatusCode != http.StatusOK {`