chore(gomod): better update failure logging

renovatebot · Aug 24, 2023 · acdd430 · acdd430
1 parent 53e3deb
commit acdd430
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/modules/manager/gomod/update.ts b/lib/modules/manager/gomod/update.ts
@@ -28,6 +28,11 @@ export function updateDependency({
     }
     const depNameNoVersion = getDepNameWithNoVersion(depName);
     const lines = fileContent.split(newlineRegex);
+    // istanbul ignore if: hard to test
+    if (lines.length <= upgrade.managerData.lineNumber) {
+      logger.warn('go.mod current line no longer exists after update');
+      return null;
+    }
     const lineToChange = lines[upgrade.managerData.lineNumber];
     if (
       !lineToChange.includes(depNameNoVersion) &&