Add a Quick Run Script (#152)

* Add a quick run script

* Add more context to errors

* Fix the issue with corpus directory canonicalization

* Update the quick run script

* Edit the runner script

* Support specifying the path of the polkadot sdk

crates/common/src/fs/clear_dir.rs

@@ -3,19 +3,28 @@ use std::{
     path::Path,
 };
 
-use anyhow::Result;
+use anyhow::{Context, Result};
 
 /// This method clears the passed directory of all of the files and directories contained within
 /// without deleting the directory.
 pub fn clear_directory(path: impl AsRef<Path>) -> Result<()> {
-    for entry in read_dir(path.as_ref())? {
-        let entry = entry?;
+    for entry in read_dir(path.as_ref())
+        .with_context(|| format!("Failed to read directory: {}", path.as_ref().display()))?
+    {
+        let entry = entry.with_context(|| {
+            format!(
+                "Failed to read an entry in directory: {}",
+                path.as_ref().display()
+            )
+        })?;
         let entry_path = entry.path();
 
         if entry_path.is_file() {
-            remove_file(entry_path)?
+            remove_file(&entry_path)
+                .with_context(|| format!("Failed to remove file: {}", entry_path.display()))?
         } else {
-            remove_dir_all(entry_path)?
+            remove_dir_all(&entry_path)
+                .with_context(|| format!("Failed to remove directory: {}", entry_path.display()))?
         }
     }
     Ok(())

crates/common/src/futures/poll.rs

@@ -1,7 +1,7 @@
 use std::ops::ControlFlow;
 use std::time::Duration;
 
-use anyhow::{Result, anyhow};
+use anyhow::{Context as _, Result, anyhow};
 
 const EXPONENTIAL_BACKOFF_MAX_WAIT_DURATION: Duration = Duration::from_secs(60);
 
@@ -38,7 +38,10 @@ where
             ));
         }
 
-        match future().await? {
+        match future()
+            .await
+            .context("Polled future returned an error during polling loop")?
+        {
             ControlFlow::Continue(()) => {
                 let next_wait_duration = match polling_wait_behavior {
                     PollingWaitBehavior::Constant(duration) => duration,