Fix missing

src/pgd.rs

@@ -4,13 +4,13 @@ use std::process::exit;
 use std::io::{stdout, stdin, Write};
 use std::num::Wrapping;
 use colored::*;
-use gclone::Cache;
+use gclone::{Result, Cache};
 
 fn flush_stdout() {
     stdout().flush().ok();
 }
 
-fn main() {
+fn main() -> Result<()> {
     let request = match env::args().nth(1) {
         Some(arg) => arg,
         None => {
@@ -22,12 +22,12 @@ fn main() {
         },
     };
 
-    main_with_cache(&request, true);
+    main_with_cache(&request, true)
 }
 
-fn main_with_cache(request: &str, regen: bool) {
+fn main_with_cache(request: &str, regen: bool) -> Result<()> {
 
-    let cache = Cache::read();
+    let cache = Cache::read()?;
 
     let matches = cache.find(&request);
 
@@ -39,7 +39,7 @@ fn main_with_cache(request: &str, regen: bool) {
                           "warning:".bold().yellow(),
                           "directory not found, regenerating cache...".bold());
 
-                let cache = Cache::new();
+                let cache = Cache::new()?;
 
                 match cache.write() {
                     Ok(_) => (),
@@ -120,6 +120,8 @@ fn main_with_cache(request: &str, regen: bool) {
         },
     }
 
+    Ok(())
+
 
 }