fix: add missing meta_name implementation and fix compilation errors

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/meta_plugin/binary.rs

@@ -1,9 +1,6 @@
-use anyhow::Result;
-use rusqlite::Connection;
 use crate::common::is_binary::is_binary;
 use crate::common::PIPESIZE;
-use crate::meta_plugin::{MetaPlugin, MetaPluginResponse, MetaData};
-use std::collections::HashMap;
+use crate::meta_plugin::{MetaPlugin, MetaPluginResponse};
 
 #[derive(Debug, Clone, Default)]
 pub struct BinaryMetaPlugin {
@@ -66,7 +63,7 @@ impl MetaPlugin for BinaryMetaPlugin {
             if let Some(meta_data) = crate::meta_plugin::process_metadata_outputs(
                 "binary", 
                 value, 
-                &self.outputs
+                self.base.outputs()
             ) {
                 metadata.push(meta_data);
             }
@@ -89,7 +86,7 @@ impl MetaPlugin for BinaryMetaPlugin {
         if let Some(meta_data) = crate::meta_plugin::process_metadata_outputs(
             "binary", 
             value, 
-            &self.outputs
+            self.base.outputs()
         ) {
             metadata.push(meta_data);
         }

src/meta_plugin/digest.rs

@@ -1,7 +1,5 @@
-use anyhow::Result;
 use sha2::{Digest, Sha256};
 use std::time::Instant;
-use rusqlite::Connection;
 
 use crate::meta_plugin::MetaPlugin;
 

src/meta_plugin/magic.rs

@@ -1,6 +1,4 @@
-use anyhow::Result;
 use magic::{Cookie, CookieFlags};
-use rusqlite::Connection;
 use std::io;
 
 use crate::common::PIPESIZE;
@@ -128,14 +126,14 @@ impl MetaPlugin for MagicFileMetaPlugin {
         // Initialize the magic cookie once
         let cookie = match Cookie::open(Default::default()) {
             Ok(cookie) => cookie,
-            Err(e) => {
+            Err(_e) => {
                 return crate::meta_plugin::MetaPluginResponse {
                     metadata: Vec::new(),
                     is_finalized: true,
                 };
             }
         };
-        if let Err(e) = cookie.load(&[] as &[&str]) {
+        if let Err(_e) = cookie.load(&[] as &[&str]) {
             return crate::meta_plugin::MetaPluginResponse {
                 metadata: Vec::new(),
                 is_finalized: true,
@@ -173,9 +171,10 @@ impl MetaPlugin for MagicFileMetaPlugin {
             }
         }
 
+        let is_finalized = !metadata.is_empty();
         crate::meta_plugin::MetaPluginResponse {
             metadata,
-            is_finalized: !metadata.is_empty(),
+            is_finalized,
         }
     }
 

src/meta_plugin/program.rs

@@ -1,10 +1,9 @@
-use anyhow::{Context, Result, anyhow};
 use log::*;
 use std::io::Write;
 use std::process::{Command, Stdio, Child};
 use which::which;
 
-use crate::meta_plugin::{MetaPlugin, MetaData};
+use crate::meta_plugin::{MetaPlugin, MetaPluginResponse};
 
 pub struct MetaPluginProgram {
     pub program: String,

src/meta_plugin/system.rs

@@ -1,10 +1,8 @@
-use anyhow::Result;
 use gethostname::gethostname;
 use std::env;
 use std::process;
 use uzers::{get_current_uid, get_current_gid, get_user_by_uid, get_group_by_gid};
-use crate::meta_plugin::{MetaPlugin, MetaPluginResponse, MetaData};
-use std::collections::HashMap;
+use crate::meta_plugin::{MetaPlugin, MetaPluginResponse};
 
 #[derive(Debug, Clone, Default)]
 pub struct CwdMetaPlugin {