cli: Fix `Message::get` bug

We were not propagating the error properly.

radicle-cli/src/commands/comment.rs

@@ -93,7 +93,7 @@ fn comment(
     repo: &storage::git::Repository,
     signer: impl Signer,
 ) -> anyhow::Result<()> {
-    let message = options.message.clone().get("Enter a comment...");
+    let message = options.message.clone().get("Enter a comment...")?;
     if message.is_empty() {
         return Ok(());
     }

radicle-cli/src/commands/patch/create.rs

@@ -34,7 +34,7 @@ pub fn handle_patch_message(
     let commit_message = head_commit
         .message()
         .ok_or(anyhow!("commit summary is not valid UTF-8; aborting"))?;
-    let message = message.get(&format!("{commit_message}{PATCH_MSG}"));
+    let message = message.get(&format!("{commit_message}{PATCH_MSG}"))?;
     let message = message.replace(PATCH_MSG.trim(), ""); // Delete help message.
     let (title, description) = message.split_once("\n\n").unwrap_or((&message, ""));
     let (title, description) = (title.trim(), description.trim());

radicle-cli/src/commands/patch/update.rs

@@ -100,7 +100,7 @@ pub fn run(
 
     let head_oid = branch_oid(&head_branch)?;
     let base_oid = workdir.merge_base(*target_oid, *head_oid)?;
-    let message = message.get(REVISION_MSG);
+    let message = message.get(REVISION_MSG)?;
     let message = message.replace(REVISION_MSG.trim(), "");
     let message = message.trim();
     let signer = term::signer(profile)?;

radicle-cli/src/commands/review.rs

@@ -144,7 +144,7 @@ pub fn run(options: Options, ctx: impl term::Context) -> anyhow::Result<()> {
         .revisions()
         .nth(revision_ix)
         .ok_or_else(|| anyhow!("revision R{} does not exist", revision_ix))?;
-    let message = options.message.get(REVIEW_HELP_MSG);
+    let message = options.message.get(REVIEW_HELP_MSG)?;
     let message = message.replace(REVIEW_HELP_MSG.trim(), "");
     let message = if message.is_empty() {
         None

radicle-cli/src/terminal/patch.rs

@@ -16,20 +16,16 @@ pub enum Message {
 
 impl Message {
     /// Get the `Message` as a string according to the method.
-    pub fn get(self, help: &str) -> String {
+    pub fn get(self, help: &str) -> std::io::Result<String> {
         let comment = match self {
-            Message::Edit => term::Editor::new()
+            Message::Edit => term::Editor::new().extension("markdown").edit(help)?,
-                .extension("markdown")
-                .edit(help)
-                .ok()
-                .flatten(),
             Message::Blank => None,
             Message::Text(c) => Some(c),
         };
         let comment = comment.unwrap_or_default();
         let comment = comment.trim();
 
-        comment.to_owned()
+        Ok(comment.to_owned())
     }
 
     pub fn append(&mut self, arg: &str) {