with parallel

src/main.rs

@@ -5,7 +5,7 @@ use clap::Parser;
 #[derive(clap::Parser, Clone)]
 struct Args {
     #[arg(long)]
-    root_dir: String,
+    root_dir: Vec<String>,
 
     #[arg(long)]
     pattern: Option<String>,
@@ -18,26 +18,38 @@ fn main() -> eyre::Result<()> {
     let args = Args::parse();
 
     // Choose dir
-    let root_dir = args.root_dir;
-
     let mut projects: Vec<PathBuf> = vec![];
 
-    let pattern = regex::Regex::new(match args.pattern {
-        Some(p) => Box::leak(p.into_boxed_str()),
-        None => ".*\\.git$",
-    })?;
+    let pattern = Box::leak(args.pattern.unwrap_or(".git".into()).into_boxed_str());
 
     // Look for dir .git if found add path to map
-    for entry in walkdir::WalkDir::new(root_dir)
-        .follow_links(true)
-        .into_iter()
-        .filter_map(|e| e.ok())
-    {
-        if let Ok(metadata) = entry.metadata() {
-            if metadata.is_dir() {
-                let name = entry.file_name().to_string_lossy();
-                if pattern.is_match(&name) {
-                    projects.push(entry.into_path())
+    for root_dir in args.root_dir {
+        println!("searching: {}", root_dir);
+        for entry in jwalk::WalkDir::new(root_dir)
+            .skip_hidden(false)
+            .follow_links(false)
+            .process_read_dir(|_, _, _, children| {
+                children.retain(|dir_entry_result| {
+                    dir_entry_result
+                        .as_ref()
+                        .map(|dir_entry| {
+                            let metadata = match dir_entry.metadata() {
+                                Ok(m) => m,
+                                Err(_) => return false,
+                            };
+                            return metadata.is_dir();
+                        })
+                        .unwrap_or(false)
+                });
+            })
+        {
+            match entry {
+                Err(_) => {}
+                Ok(entry) => {
+                    let name = entry.file_name().to_string_lossy();
+                    if name.ends_with(&*pattern) {
+                        projects.push(entry.path())
+                    }
                 }
             }
         }