feat: add relative path property

src/main.rs

@@ -158,7 +158,7 @@ async fn main() {
         }
         tasks.print_current_tasks();
 
-        print!(" {}> ", tasks.taskpath(tasks.get_position()));
+        print!(" {}) ", tasks.taskpath(tasks.get_position()));
         stdout().flush().unwrap();
         match stdin().lines().next() {
             Some(Ok(input)) => {

src/tasks.rs

@@ -112,6 +112,7 @@ impl Tasks {
                     .iter()
                     .map(|p| match p.as_str() {
                         "path" => self.taskpath(Some(task.event.id)),
+                        "rpath" => join_tasks(self.traverse_up_from(Some(task.event.id)).take_while(|t| Some(t.event.id) != self.position)),
                         "ttime" => self.total_time_tracked(&task.event.id).to_string(),
                         prop => task.get(prop).unwrap_or(String::new()),
                     })
@@ -213,9 +214,7 @@ impl Tasks {
     }
 
     pub(crate) fn taskpath(&self, id: Option<EventId>) -> String {
-        self.traverse_up_from(id)
+        join_tasks(self.traverse_up_from(id))
-            .map(|t| t.event.content.clone())
-            .fold(String::new(), |acc, val| format!("{} {}", val, acc))
     }
 
     pub(crate) fn traverse_up_from(&self, id: Option<EventId>) -> ParentIterator {
@@ -253,6 +252,14 @@ impl Tasks {
     }
 }
 
+pub(crate) fn join_tasks<'a>(iter: impl IntoIterator<Item=&'a Task>) -> String{
+    iter.into_iter()
+        .map(|t| t.event.content.clone())
+        .fold(None, |acc, val| Some(acc.map_or_else(|| val.clone(), |cur| format!("{}>{}", val, cur))))
+        .unwrap_or(String::new())
+}
+
+
 struct ParentIterator<'a> {
     tasks: &'a TaskMap,
     current: Option<EventId>,