starship: add jj status

config/starship.toml

@@ -29,3 +29,29 @@ lua_binary = "luajit"
 [directory]
 truncation_length = 5
 truncate_to_repo = false
+
+[custom.jj]
+ignore_timeout = true
+description = "The current jj status"
+when = "jj root --ignore-working-copy"
+symbol = "[jj](reset) "
+command = '''
+jj log --revisions @ --no-graph --ignore-working-copy --color always --limit 1 --template '
+  separate(" ",
+    change_id.shortest(4),
+    bookmarks,
+    concat(
+      if(conflict, "💥"),
+      if(divergent, "🚧"),
+      if(hidden, "👻"),
+      if(immutable, "🔒"),
+    ),
+    raw_escape_sequence("\x1b[1;32m") ++ if(empty, "(empty)"),
+    raw_escape_sequence("\x1b[1;32m") ++ coalesce(
+      truncate_end(29, description.first_line(), "…"),
+      "(no description set)",
+    ) ++ raw_escape_sequence("\x1b[0m"),
+  )
+'
+'''
+