From 238794258893336379bc56de645a63f7ddd6cc45 Mon Sep 17 00:00:00 2001
From: Amanjeev Sethi <aj@amanjeev.com>
Date: Sat, 5 Oct 2019 15:01:01 -0400
Subject: [PATCH] Fix (command:clean): removes error message 'dir not found' if
 'clean' is run multiple times

---
 src/cmd/clean.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/cmd/clean.rs b/src/cmd/clean.rs
index 07c2fbc6..9bc95c28 100644
--- a/src/cmd/clean.rs
+++ b/src/cmd/clean.rs
@@ -3,6 +3,7 @@ use clap::{App, ArgMatches, SubCommand};
 use mdbook::errors::*;
 use mdbook::MDBook;
 use std::fs;
+use std::path::Path;
 
 // Create clap subcommand arguments
 pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
@@ -29,7 +30,11 @@ pub fn execute(args: &ArgMatches) -> mdbook::errors::Result<()> {
         Some(dest_dir) => dest_dir.into(),
         None => book.root.join(&book.config.build.build_dir),
     };
-    fs::remove_dir_all(&dir_to_remove).chain_err(|| "Unable to remove the build directory")?;
+
+    let path_to_dir_to_remove = Path::new(&dir_to_remove);
+    if path_to_dir_to_remove.exists() {
+        fs::remove_dir_all(&dir_to_remove).chain_err(|| "Unable to remove the build directory")?;
+    }
 
     Ok(())
 }