Mainly refactored the help message into a re-usable constant

Signed-off-by: alexis-opolka <53085471+alexis-opolka@users.noreply.github.com>

src/commands/repo/list.rs

@@ -1,6 +1,8 @@
 use crate::filesystem::local_cheatsheet_repositories;
 use crate::libs::terminal::hyperlink;
 
+use crate::commands::repo::HELP_NO_REPOSITORIES_FOUND;
+
 pub fn main() {
     let (cheats_repos, cheats_paths) = local_cheatsheet_repositories();
 
@@ -9,8 +11,7 @@ pub fn main() {
     // We do have entries -> We show them
     // We do not have entries -> We put a message for the user to add one
     if cheats_repos.is_empty() {
-        eprintln!("Uh Oh! It seems you haven't downloaded a cheatsheet repository yet.");
-        eprintln!("What you can do: \n\n- `navi repo add` to add a cheatsheet repository\n- `navi repo browse` to browse recommended cheatsheet repositories");
+        eprintln!("{}", HELP_NO_REPOSITORIES_FOUND);
 
         // We quit this function
         return;

src/commands/repo/mod.rs

@@ -34,6 +34,8 @@ pub struct Input {
     pub cmd: RepoCommand,
 }
 
+pub const HELP_NO_REPOSITORIES_FOUND: &str = "Uh Oh! It seems you haven't downloaded a cheatsheet repository yet.\nWhat you can do: \n\n- `navi repo add` to add a cheatsheet repository\n- `navi repo browse` to browse recommended cheatsheet repositories";
+
 impl Runnable for Input {
     fn run(&self) -> Result<()> {
         match &self.cmd {

src/commands/repo/sync.rs

@@ -4,9 +4,17 @@ use crate::common::git;
 use crate::filesystem::{all_cheat_files, all_git_files, local_cheatsheet_repositories};
 use crate::prelude::*;
 
+use crate::commands::repo::HELP_NO_REPOSITORIES_FOUND;
+
 pub fn main(name: Option<String>) -> Result<()> {
     let (cheats_repo_uris, cheats_repo_paths) = local_cheatsheet_repositories();
 
+    if cheats_repo_paths.is_empty() {
+        eprintln!("{}", HELP_NO_REPOSITORIES_FOUND);
+
+        return Ok(());
+    }
+
     if name.clone().is_some() {
         let name = name.clone().unwrap();
 
@@ -52,6 +60,9 @@ pub fn main(name: Option<String>) -> Result<()> {
         //
         // They need to be removed and the cheat files renamed.
 
+        // TODO: A note to be remembered, the filter needs to be adjusted to take everything we do not want
+        //  want to keep (i.e. anything that is not a git file nor a cheat file)
+
         let files_to_discard = WalkDir::new(&cheat_repo)
             .follow_links(true)
             .into_iter()