Use -c for config. Fix #3.

src/main.rs

@@ -24,14 +24,14 @@ use subprocess::{Exec, NullFile};
 #[derive(StructOpt)]
 #[structopt(name = "ips-uptime")]
 struct Opt {
-    #[structopt(parse(from_os_str))]
+    #[structopt(short = "c", long = "config", parse(from_os_str))]
     config: PathBuf,
 }
 
 #[derive(Debug, Deserialize)]
 struct Config {
     command: HashMap<String, Command>,
-    hosts: Vec<Host>,
+    checks: Vec<Check>,
 }
 
 #[derive(Debug, Deserialize)]
@@ -40,7 +40,7 @@ struct Command {
 }
 
 #[derive(Debug, Deserialize)]
-struct Host {
+struct Check {
     name: String,
     command: String,
     #[serde(flatten)]
@@ -49,7 +49,7 @@ struct Host {
     cmd: String,
 }
 
-impl Host {
+impl Check {
     fn status(&self) -> bool {
         let result = Exec::shell(&self.cmd)
             .stdout(NullFile)
@@ -76,15 +76,15 @@ fn main() {
 
     handlebars.set_strict_mode(true);
 
-    for host in &mut config.hosts {
+    for check in &mut config.checks {
         let command = config
             .command
-            .get(&host.command)
+            .get(&check.command)
             .map(|command| &command.command)
-            .unwrap_or(&host.command);
+            .unwrap_or(&check.command);
 
-        host.cmd = handlebars
-            .render_template(command, &host.args)
+        check.cmd = handlebars
+            .render_template(command, &check.args)
             .expect("failed to register template");
     }
 
@@ -96,10 +96,9 @@ fn main() {
         let now = Local::now();
 
         let result = config
-            .hosts
+            .checks
             .iter()
-            // .inspect(|host| println!("{}", host.name))
-            .find(|host| host.status());
+            .find(|check| check.status());
 
         if result.is_some() {
             if let Some(down) = status {