feat: updates

src/install.rs

@@ -21,7 +21,7 @@ pub fn install_scripts(arguments: &[String]) {
     }
 }
 
-pub fn install_script(script_name: &str, script_meta_map: &BTreeMap<String, ScriptMeta>) {
+fn install_script(script_name: &str, script_meta_map: &BTreeMap<String, ScriptMeta>) {
     let script_meta = match script_meta_map.get(script_name) {
         None => {
             failure!("Script not found: {}", script_name);

src/template.rs

@@ -3,25 +3,19 @@ use std::os::unix::fs::PermissionsExt;
 
 pub fn print_template(output: &Option<String>) {
     let script = get_script_template();
-    match output {
+    if let Some(output_file) = output {
-        None => {
+        if fs::metadata(output_file).is_ok() {
-            println!("{}", script);
+            failure!("Output script file exists: {}", output_file);
+            return;
         }
-        Some(output_file) => {
+        if let Err(e) = fs::write(output_file, script) {
-            if fs::metadata(output_file).is_ok() {
+            failure!("Write script file: {}, failed: {}", output_file, e);
-                failure!("Output script file exists: {}", output_file);
+        } else {
-            } else {
+            success!("Write script file success: {}", output_file);
-                match fs::write(output_file, script) {
+            let _ = fs::set_permissions(output_file, PermissionsExt::from_mode(0o755));
-                    Ok(_) => {
-                        success!("Write script file success: {}", output_file);
-                        let _ = fs::set_permissions(output_file, PermissionsExt::from_mode(0o755));
-                    }
-                    Err(e) => {
-                        failure!("Write script file: {}, failed: {}", output_file, e);
-                    }
-                }
-            }
         }
+    } else {
+        println!("{}", script);
     }
 }