cli: Fix output of `rad seed` when empty

radicle-cli/src/commands/seed.rs

@@ -176,7 +176,7 @@ pub fn delete(rid: RepoId, node: &mut Node, profile: &Profile) -> anyhow::Result
 pub fn seeding(profile: &Profile) -> anyhow::Result<()> {
     let store = profile.policies()?;
     let mut t = term::Table::new(term::table::TableOptions::bordered());
-    t.push([
+    t.header([
         term::format::default(String::from("RID")),
         term::format::default(String::from("Scope")),
         term::format::default(String::from("Policy")),
@@ -199,7 +199,12 @@ pub fn seeding(profile: &Profile) -> anyhow::Result<()> {
             term::format::secondary(policy),
         ])
     }
-    t.print();
+
+    if t.is_empty() {
+        term::print(term::format::dim("No seeding policies to show."));
+    } else {
+        t.print();
+    }
 
     Ok(())
 }

radicle-term/src/table.rs

@@ -56,6 +56,7 @@ impl TableOptions {
 
 #[derive(Debug)]
 enum Row<const W: usize, T> {
+    Header([T; W]),
     Data([T; W]),
     Divider,
 }
@@ -104,7 +105,7 @@ where
             let mut line = Line::default();
 
             match row {
-                Row::Data(cells) => {
+                Row::Header(cells) | Row::Data(cells) => {
                     if let Some(color) = border {
                         line.push(Paint::new("│ ").fg(color));
                     }
@@ -178,6 +179,13 @@ impl<const W: usize, T: Cell> Table<W, T> {
         self.rows.push(Row::Data(row));
     }
 
+    pub fn header(&mut self, row: [T; W]) {
+        for (i, cell) in row.iter().enumerate() {
+            self.widths[i] = self.widths[i].max(cell.width());
+        }
+        self.rows.push(Row::Header(row));
+    }
+
     pub fn extend(&mut self, rows: impl IntoIterator<Item = [T; W]>) {
         for row in rows.into_iter() {
             self.push(row);