Introduce a new config struct the lives above the raw disk implementation.

This should let us include values that would not be written to disk like the folder containing the config.

src/command/init/runner.rs

@@ -1,25 +1,22 @@
-use std::fs::File;
-use std::io::Write;
-
 use crate::cli::parameters::InitArgs;
 use crate::config::Config;
 
 pub(crate) async fn init_writer_folder(args: &InitArgs) -> Result<(), Box<dyn std::error::Error>> {
-    let new_config = Config::default();
     if args.path.exists() && !args.path.is_dir() {
         return Err("The supplied path exists but is not a directory. Aborting.".into());
     }
 
     if !args.path.exists() {
-        std::fs::create_dir_all(&args.path)?;
+        tokio::fs::create_dir_all(&args.path).await?;
     }
 
-    let existing_entries = std::fs::read_dir(&args.path)?;
-    if existing_entries.count() != 0 {
+    let mut existing_entries = tokio::fs::read_dir(&args.path).await?;
+    let first_entry = existing_entries.next_entry().await?;
+    if let Some(_) = first_entry {
         return Err("The directory is not empty. Aborting.".into());
     }
 
-    let mut config_file = File::create(args.path.join("writer.toml"))?;
-    config_file.write_all(toml::to_string(&new_config)?.as_bytes())?;
+    let new_config = Config::new(&args.path)?;
+    new_config.write_to_disk().await?;
     Ok(())
 }