Accept -p/--path as command line argument

src/client.rs

@@ -15,6 +15,42 @@ fn main() {
 
     beautylog::init(log::LevelFilter::Info).ok();
 
+    let mut args = vec![];
+    let mut iter = env::args().skip(1);
+
+    let current_dir = {
+
+        let mut current_dir = None;
+
+        loop {
+
+            match iter.next() {
+
+                Some(ref x) if (x == "-p" || x == "--path") && current_dir.is_some() => {
+                    error!("path is specified multiple times");
+                    exit(1);
+                },
+
+                Some(ref x) if x == "-p" || x == "--path" => {
+                    match iter.next() {
+                        Some(v) => current_dir = Some(v.clone()),
+                        None => {
+                            error!("expecting a path after -p");
+                            exit(1);
+                        }
+                    }
+                },
+                Some(ref x) => {
+                    args.push(x.clone());
+                },
+                None => break current_dir,
+            }
+        }
+
+    };
+
+    let current_dir = current_dir.map(|x| {
+        if ! x.starts_with("/") {
             let current_dir = match env::current_dir() {
                 Err(e) => {
                     error!("couldn't find current directory: {}", e);
@@ -25,8 +61,24 @@ fn main() {
                     p.unwrap().to_owned()
                 },
             };
+            format!("{}/{}", current_dir, x)
+        } else {
+            x
+        }
+    });
 
-    let args = env::args().skip(1).collect::<Vec<_>>().join("&");
+    let current_dir = current_dir.unwrap_or_else(|| match env::current_dir() {
+        Err(e) => {
+            error!("couldn't find current directory: {}", e);
+            exit(1);
+        },
+        Ok(path) => {
+            let p = path.to_str();
+            p.unwrap().to_owned()
+        },
+    });
+
+    let args = args.join("&");
 
     let url = if args.is_empty() {
         format!("http://localhost:1500{}", current_dir)
@@ -34,6 +86,8 @@ fn main() {
         format!("http://localhost:1500{}?{}", current_dir, args)
     };
 
+    println!("{}", url);
+
     let url = percent_encode(url.as_bytes(), DEFAULT_ENCODE_SET).to_string();
     let url = url.parse::<hyper::Uri>().unwrap();
     rt::run(fetch_url(url));