program-specific path

src/arg/proc_args.rs

@@ -41,16 +41,23 @@ impl ProcessArgs
 
     pub fn verify(&self) -> Result<PathBuf, &'static str>
     {
+	if let Ok(spath) = std::env::var("LEAKY_PIPE_PATH") {
+	    if let Some(path) = find_somewhere(&self.name, spath.split(':')) {
+		return Ok(path)
+	    }
+	}
+	
 	if let Ok(spath) = std::env::var("PATH") {
 	    if let Some(path) = find_somewhere(&self.name, spath.split(':')) {
 		Ok(path)
 	    } else {
 		Err("File not found")
 	    }
-	} else if Path::new(&self.name).exists() {
-	     Ok(Path::new(&self.name).to_owned())
 	} else {
-	    Err("File not found and $PATH not found.")
+	    match Path::new(&self.name) {
+		path if path.exists() => Ok(Path::new(&self.name).to_owned()),
+		_ => Err("File not found and $PATH not found.")
+	    }
 	}
     }
 }
@@ -62,11 +69,6 @@ where T: AsRef<str>,
 {
     let name = name.as_ref();
     
-    let pbuf = Path::new(&name);
-    if pbuf.exists() {
-	return Some(pbuf.to_owned())
-    }
-    
     for place in places
     {
 	let place = place.as_ref();