Add confirmation prompts for modifications of lots of tasks

cli/src/invocation/util.rs

@@ -0,0 +1,22 @@
+use dialoguer::Confirm;
+use taskchampion::{Replica, Task};
+
+/// Print the prompt and ask the user to answer yes or no.  If input is not from a terminal, the
+/// answer is assumed to be true.
+pub(super) fn confirm<S: Into<String>>(prompt: S) -> anyhow::Result<bool> {
+    if !atty::is(atty::Stream::Stdin) {
+        return Ok(true);
+    }
+    Ok(Confirm::new().with_prompt(prompt).interact()?)
+}
+
+/// Summarize a task in a single line
+pub(super) fn summarize_task(replica: &mut Replica, task: &Task) -> anyhow::Result<String> {
+    let ws = replica.working_set()?;
+    let uuid = task.get_uuid();
+    if let Some(id) = ws.by_uuid(uuid) {
+        Ok(format!("{} - {}", id, task.get_description()))
+    } else {
+        Ok(format!("{} - {}", uuid, task.get_description()))
+    }
+}