feat: stash all changes at once

src/main.rs

@@ -1,6 +1,6 @@
 use crate::exercise::{Exercise, ExerciseList};
 use crate::project::RustAnalyzerProject;
-use crate::run::{reset, run};
+use crate::run::{reset, run, reset_all};
 use crate::verify::verify;
 use clap::{Parser, Subcommand};
 use console::Emoji;
@@ -55,6 +55,9 @@ enum Subcommands {
     Reset {
         /// The name of the exercise
         name: String,
+    },
+    ResetAll {
+
     },
     /// Return a hint for the given exercise
     Hint {
@@ -184,6 +187,9 @@ fn main() {
 
             run(exercise, verbose).unwrap_or_else(|_| std::process::exit(1));
         }
+        Subcommands::ResetAll {} => {
+            reset_all(&exercises).unwrap_or_else(|_| std::process::exit(1));
+        }
 
         Subcommands::Reset { name } => {
             let exercise = find_exercise(&name, &exercises);

src/run.rs

@@ -31,6 +31,21 @@ pub fn reset(exercise: &Exercise) -> Result<(), ()> {
     }
 }
 
+//Resets all exercises by stashing the changes
+pub fn reset_all(exercises: &[Exercise]) -> Result<(), ()> {
+    for exercise in exercises {
+        let command = Command::new("git")
+            .args(["stash", "push", "--"])
+            .arg (&exercise.path)
+            .spawn();
+
+        if command.is_err() {
+            return Err(());
+        }
+    }
+    Ok(())
+}
+
 // Invoke the rust compiler on the path of the given exercise
 // and run the ensuing binary.
 // This is strictly for non-test binaries, so output is displayed