Package ready

src/main.rs

@@ -1,10 +1,12 @@
 use std::fs;
 
+use clap::Parser;
+
 use crate::service::ServiceConfig;
 
 mod service;
 
-pub fn generate_openrc(config: &ServiceConfig) {
+pub fn generate_openrc(config: &ServiceConfig) -> String {
     let mut script = String::from("#!/sbin/openrc-run\n# !!! AUTO GENERATED - DO NOT EDIT !!!\n\n");
     let wrap = |cmd: &str| {
         if let Some(user) = config.user.as_ref() {
@@ -113,13 +115,27 @@ pub fn generate_openrc(config: &ServiceConfig) {
     script.push_str("\n}\n\n");
     // }
 
-    println!("\n\n{}", script);
+    script
+}
+
+/// Program to generate OpenRC scripts from Podman service definitions in TOML format.
+#[derive(Debug, Parser)]
+struct Args {
+    /// Definition file in TOML format
+    definition: String,
+
+    /// Output file for the OpenRC script
+    out: String,
 }
 
 fn main() {
-    let file = fs::read_to_string("example.toml").unwrap();
-    let service: ServiceConfig = toml::from_str(&file).unwrap();
-    println!("{:?}", service);
+    let args = Args::parse();
+    let input = fs::read_to_string(&args.definition)
+        .expect("Failed to read definition file");
+    let config: ServiceConfig = toml::from_str(&input)
+        .expect("Failed to parse definition file");
 
-    generate_openrc(&service);
+    let output =  generate_openrc(&config);
+    fs::write(&args.out, output)
+        .expect("Failed to write OpenRC script to output file");
 }