Merge pull request #327 from cloudflare/malonso/feat-better-error-pri…

…nting

Better error printing

Cargo.toml

@@ -32,6 +32,7 @@ number_prefix = "0.3.0"
 flate2 = "1.0.7"
 base64 = "0.10.1"
 lazy_static = "1.3.0"
+exitfailure = "0.5.1"
 
 [dev-dependencies]
 assert_cmd = "0.11.1"

src/main.rs

@@ -16,9 +16,10 @@ mod settings;
 mod terminal;
 
 use crate::settings::project::ProjectType;
+use exitfailure::ExitFailure;
 use terminal::emoji;
 
-fn main() -> Result<(), failure::Error> {
+fn main() -> Result<(), ExitFailure> {
     env_logger::init();
     if let Ok(me) = env::current_exe() {
         // If we're actually running as the installer then execute our
@@ -32,7 +33,10 @@ fn main() -> Result<(), failure::Error> {
             installer::install();
         }
     }
+    Ok(run()?)
+}
 
+fn run() -> Result<(), failure::Error> {
     let matches = App::new(format!("{}{} wrangler", emoji::WORKER, emoji::SPARKLES))
         .version(env!("CARGO_PKG_VERSION"))
         .author("ashley g williams <[email protected]>")

src/terminal/emoji.rs

@@ -25,6 +25,6 @@ pub static SLEUTH: Emoji = Emoji("🕵️‍♂️", "");
 pub static SPARKLES: Emoji = Emoji("✨  ", "");
 pub static SWIRL: Emoji = Emoji("🌀 ", "");
 pub static UP: Emoji = Emoji("🆙 ", "");
-pub static WARN: Emoji = Emoji("⛔ ", "");
+pub static WARN: Emoji = Emoji("⚠️ ", "");
 pub static WAVING: Emoji = Emoji("👋 ", "");
 pub static WORKER: Emoji = Emoji("👷 ", "");