feat: Adds run --porcelain cli option to output only the final text message to stdout

crates/goose-cli/Cargo.toml

@@ -24,7 +24,7 @@ mcp-core = { path = "../mcp-core" }
 clap = { version = "4.4", features = ["derive"] }
 cliclack = "0.3.5"
 console = "0.15.8"
-bat = "0.24.0"
+bat = "0.25.0"
 anyhow = "1.0"
 serde_json = "1.0"
 tokio = { version = "1.43", features = ["full"] }

crates/goose-cli/src/cli.rs

@@ -510,6 +510,13 @@ enum Command {
         )]
         quiet: bool,
 
+        /// Porcelain mode - redirect all CLI output to stderr and only output final text message to stdout
+        #[arg(
+            long = "porcelain",
+            help = "Porcelain mode. Redirect all CLI output to stderr and only output final text message to stdout"
+        )]
+        porcelain: bool,
+
         /// Scheduled job ID (used internally for scheduled executions)
         #[arg(
             long = "scheduled-job-id",
@@ -677,6 +684,7 @@ pub async fn cli() -> Result<()> {
                         scheduled_job_id: None,
                         interactive: true,
                         quiet: false,
+                        porcelain: false,
                         sub_recipes: None,
                     })
                     .await;
@@ -725,6 +733,7 @@ pub async fn cli() -> Result<()> {
             render_recipe,
             scheduled_job_id,
             quiet,
+            porcelain,
         }) => {
             let (input_config, session_settings, sub_recipes) = match (
                 instructions,
@@ -830,6 +839,7 @@ pub async fn cli() -> Result<()> {
                 scheduled_job_id,
                 interactive, // Use the interactive flag from the Run command
                 quiet,
+                porcelain,
                 sub_recipes,
             })
             .await;
@@ -949,6 +959,7 @@ pub async fn cli() -> Result<()> {
                     scheduled_job_id: None,
                     interactive: true, // Default case is always interactive
                     quiet: false,
+                    porcelain: false,
                     sub_recipes: None,
                 })
                 .await;

crates/goose-cli/src/commands/bench.rs

@@ -46,6 +46,7 @@ pub async fn agent_generator(
         interactive: false, // Benchmarking is non-interactive
         scheduled_job_id: None,
         quiet: false,
+        porcelain: false,
         sub_recipes: None,
     })
     .await;

crates/goose-cli/src/lib.rs

@@ -3,6 +3,7 @@ use once_cell::sync::Lazy;
 pub mod cli;
 pub mod commands;
 pub mod logging;
+pub mod print_macros;
 pub mod project_tracker;
 pub mod recipes;
 pub mod session;

crates/goose-cli/src/print_macros.rs

@@ -0,0 +1,42 @@
+/// Macro for conditional printing to stderr or stdout based on a boolean flag.
+///
+/// When `use_stderr` is true, prints to stderr using `eprintln!`.
+/// When `use_stderr` is false, prints to stdout using `println!`.
+///
+/// # Examples
+///
+/// ```
+/// use goose_cli::cli_println;
+/// cli_println!(true, "This goes to stderr");
+/// cli_println!(false, "This goes to stdout");
+/// let some_flag = true;
+/// cli_println!(some_flag, "Hello {}", "world");
+/// ```
+#[macro_export]
+macro_rules! cli_println {
+    ($use_stderr:expr, $($arg:tt)*) => {
+        if $use_stderr {
+            eprintln!($($arg)*);
+        } else {
+            println!($($arg)*);
+        }
+    };
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_cli_println_compiles() {
+        // Test that the macro compiles with different argument patterns
+        cli_println!(true, "test");
+        cli_println!(false, "test {}", "arg");
+        cli_println!(true, "test {} {}", "arg1", "arg2");
+
+        // Test with variables
+        let use_stderr = true;
+        cli_println!(use_stderr, "variable test");
+
+        let use_stderr = false;
+        cli_println!(use_stderr, "variable test {}", "with arg");
+    }
+}