cli readme and default creds path

bin/cli/README.md

@@ -1,8 +1,19 @@
-# monitor CLI
+# Monitor CLI
 
 Monitor CLI is a command line tool to sync monitor resources and execute file defined procedures.
 
-## Examples
+## Usage
+
+Configure a file `~/.config/monitor/creds.toml` file with contents:
+```toml
+url = "https://your.monitor.address"
+key = "YOUR-API-KEY"
+secret = "YOUR-API-SECRET"
+```
+
+Note. You can specify a different creds file by using `--creds ./other/path.toml`.
+
+With your creds in place, you can run syncs:
 
 ```sh
 ## Sync resources in a single file
@@ -15,6 +26,8 @@ monitor sync ./resources
 monitor sync
 ```
 
+And executions:
+
 ```sh
 ## Execute a TOML defined procedure
 monitor exec ./execution/execution.toml

bin/cli/src/main.rs

@@ -38,7 +38,7 @@ enum Command {
   Sync {
     /// The path of the resource folder / file
     /// Folder paths will recursively incorporate all the resources it finds under the folder
-    #[arg(default_value_t = String::from("./resources"))]
+    #[arg(default_value_t = default_path())]
     path: String,
   },
 
@@ -49,6 +49,12 @@ enum Command {
   },
 }
 
+fn default_path() -> String {
+  let home = std::env::var("HOME")
+    .expect("no HOME env var. cannot get default config path.");
+  format!("{home}/.config/monitor/creds.toml")
+}
+
 #[derive(Debug, Deserialize)]
 struct CredsFile {
   url: String,
@@ -94,7 +100,11 @@ fn parse_toml_file<T: DeserializeOwned>(
 }
 
 fn wait_for_enter(press_enter_to: &str) -> anyhow::Result<()> {
-  println!("\nPress {} to {}\n", "ENTER".green(), press_enter_to.bold());
+  println!(
+    "\nPress {} to {}\n",
+    "ENTER".green(),
+    press_enter_to.bold()
+  );
   let buffer = &mut [0u8];
   std::io::stdin()
     .read_exact(buffer)