Add option to silence panic messages in stdout settings

3 files changed, 25 insertions, 0 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89c0ba5..7fec970 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -79,6 +79,7 @@ this::<ThisProgram>().modify_res::<ExitCode>(|code| {
 ```
 
 11. **\[core\]** Added panic catch for program execution. 
+12. **\[core\]** Added the `stdout_setting.silence_panic` option, which is disabled by default. When enabled, `Program`'s `panic!` will not output to the console
 
 #### **BREAKING CHANGES**:
 
diff --git a/mingling_core/src/program.rs b/mingling_core/src/program.rs
index e7e9ec0..a00b2c7 100644
--- a/mingling_core/src/program.rs
+++ b/mingling_core/src/program.rs
@@ -193,6 +193,16 @@ where
             .unwrap()
             .downcast_ref::<Program<C>>()
             .unwrap();
+
+        #[cfg(not(panic = "abort"))]
+        if program.stdout_setting.silence_panic {
+            std::panic::set_hook(Box::new(|_| {}));
+        }
+
+        #[cfg(panic = "abort")]
+        return Ok(f(program));
+
+        #[cfg(not(panic = "abort"))]
         match std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| f(program))) {
             Ok(fut) => Ok(fut.await),
             Err(panic_info) => {
@@ -294,6 +304,16 @@ where
             .unwrap()
             .downcast_ref::<Program<C>>()
             .unwrap();
+
+        #[cfg(not(panic = "abort"))]
+        if program.stdout_setting.silence_panic {
+            std::panic::set_hook(Box::new(|_| {}));
+        }
+
+        #[cfg(panic = "abort")]
+        return Ok(f(program));
+
+        #[cfg(not(panic = "abort"))]
         match std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| f(program))) {
             Ok(result) => Ok(result),
             Err(panic_info) => {
diff --git a/mingling_core/src/program/config.rs b/mingling_core/src/program/config.rs
index 35b9392..c3b1b0e 100644
--- a/mingling_core/src/program/config.rs
+++ b/mingling_core/src/program/config.rs
@@ -7,6 +7,9 @@ pub struct ProgramStdoutSetting {
     /// Render results and output
     pub render_output: bool,
 
+    /// Silence panic messages
+    pub silence_panic: bool,
+
     #[cfg(feature = "clap")]
     /// Behavior when Clap Dispatcher outputs help information
     pub clap_help_print_behaviour: ClapHelpPrintBehaviour,
@@ -28,6 +31,7 @@ impl Default for ProgramStdoutSetting {
         ProgramStdoutSetting {
             error_output: true,
             render_output: true,
+            silence_panic: false,
             #[cfg(feature = "clap")]
             clap_help_print_behaviour: ClapHelpPrintBehaviour::default(),
         }