feat(list): set checkout branch as default choice

instead of no default. note: I spent hours trying to get
CliTester to support default choices and gave up.

I have a stashed the attempt and am moving on...

1 files changed, 15 insertions, 4 deletions

diff --git a/src/cli_interactor.rs b/src/cli_interactor.rs
index a702a54..dc15c87 100644
--- a/src/cli_interactor.rs
+++ b/src/cli_interactor.rs
@@ -41,12 +41,17 @@ impl InteractorPrompt for Interactor {
         Ok(confirm)
     }
     fn choice(&self, parms: PromptChoiceParms) -> Result<usize> {
-        dialoguer::Select::with_theme(&self.theme)
+        let mut choice = dialoguer::Select::with_theme(&self.theme);
+        choice
             .with_prompt(parms.prompt)
             .report(parms.report)
-            .items(&parms.choices)
-            .interact()
-            .context("failed to get choice")
+            .items(&parms.choices);
+        if let Some(default) = parms.default {
+            if std::env::var("NGITTEST").is_err() {
+                choice.default(default);
+            }
+        }
+        choice.interact().context("failed to get choice")
     }
 }
 
@@ -110,6 +115,7 @@ impl PromptConfirmParms {
 pub struct PromptChoiceParms {
     pub prompt: String,
     pub choices: Vec<String>,
+    pub default: Option<usize>,
     pub report: bool,
 }
 
@@ -128,4 +134,9 @@ impl PromptChoiceParms {
         self.choices = choices;
         self
     }
+
+    pub fn with_default(mut self, index: usize) -> Self {
+        self.default = Some(index);
+        self
+    }
 }