Fix srv binaries

srv/default.nix

@@ -37,7 +37,7 @@
         pname = "mediocre-blog-srv";
         version = "dev";
         src = ./src;
-        vendorSha256 = "1s5jhis1a2y7m50k29ap7kd0h4bgc3dzy1f9dqf5jrz8n27f3i87";
+        vendorSha256 = "sha256-C3hyPDO+6oTUeoGP/ZzBn5Y4V/q1jI12BwkR9NADHn0=";
 
         # disable tests
         checkPhase = '''';

srv/src/cmd/import-posts/main.go

@@ -76,7 +76,7 @@ func importPost(postStore post.Store, path string) (post.StoredPost, error) {
 		Body:        string(body),
 	}
 
-	if err := postStore.Set(p, publishedAt); err != nil {
+	if _, err := postStore.Set(p, publishedAt); err != nil {
 		return post.StoredPost{}, fmt.Errorf("storing post id %q: %w", p.ID, err)
 	}
 
@@ -89,7 +89,7 @@ func importPost(postStore post.Store, path string) (post.StoredPost, error) {
 
 		// as a hack, we store the post again with the updated date as now. This
 		// will update the LastUpdatedAt field in the Store.
-		if err := postStore.Set(p, lastUpdatedAt); err != nil {
+		if _, err := postStore.Set(p, lastUpdatedAt); err != nil {
 			return post.StoredPost{}, fmt.Errorf("updating post id %q: %w", p.ID, err)
 		}
 	}