src/main.rs: add restore module

src/main.rs

@@ -20,6 +20,7 @@ mod prune;
 mod pull;
 mod push;
 mod remote;
+mod restore;
 
 #[derive(Debug, Parser)]
 #[clap(name = "gblk")]
@@ -106,9 +107,22 @@ enum Commands {
     /// This command can be used to push a repository using a remote
     Push(Push),
     /// This command can be used to pull a repository using a remote
+    ///
+    /// This commands pull a remote repository inside the folder .borg. Before
+    /// erasing the content of the .borg repostory, it's content is saved
+    /// inside .tmp/<PROJECT_DIR>_bkp where PROJECT_DIR is the folder name at
+    /// the root of your project. If something goes wrong, you can restore your
+    /// .borg folder with the command gblk restore. If everything is ok, remove
+    /// the content of the .tmp folder using gblk clean
     Pull(Pull),
-    /// This command clean the .tmp repository of the project folder
+    /// This command cleans the .tmp repository of the project folder
     Clean,
+    /// This command moves the borg folder .tmp/<PROJECT_DIR>_bkp folder into
+    /// .borg repository
+    ///
+    /// The purpose of this command is to be used if a pull command fails after
+    /// removing content inside the .borg folder
+    Restore,
 }
 
 #[derive(Debug, Args)]
@@ -404,5 +418,8 @@ fn main() {
         Commands::Clean => {
             clean::clean();
         }
+        Commands::Restore => {
+            restore::restore();
+        }
     }
 }