[Fix] wrong fallback value of line number (#100)

Author: mistricky

cli/src/code.rs

@@ -24,9 +24,12 @@ pub fn create_code(cli: &CLI, code_config: Code) -> anyhow::Result<Content> {
             let parsed_code_snippet = parsed_range.cut_code_snippet(&code_snippet)?;
             let mut code = CodeBuilder::default()
                 .content(parsed_code_snippet)
-                .start_line_number(parsed_range.0 as u32)
                 .build()?;
 
+            code.start_line_number = cli
+                .has_line_number
+                .then_some(cli.start_line_number.unwrap_or(parsed_range.0 as u32));
+
             code.file_path = cli
                 .from_file
                 .clone()

cli/src/main.rs

@@ -92,7 +92,7 @@ struct CLI {
 
     /// Breadcrumbs is a useful and unique feature in CodeSnap, it shows the path of the file
     /// so that users can know where the code snippet comes from.
-    #[arg(long)]
+    #[arg(long, default_value = "false")]
     has_breadcrumbs: Option<bool>,
 
     #[arg(long, default_value = "false")]