Add no check (dump links only) flag (#99)

Author: pawroman

README.md

@@ -176,6 +176,8 @@ USAGE:
     lychee [FLAGS] [OPTIONS] [--] [inputs]...
 
 FLAGS:
+        --dump                   Don't perform any link checking. Instead, dump all the links extracted from inputs that
+                                 would be checked
     -E, --exclude-all-private    Exclude all private IPs from checking.
                                  Equivalent to `--exclude-private --exclude-link-local --exclude-loopback`
         --exclude-link-local     Exclude link-local IP address range from checking

lychee-bin/src/main.rs

@@ -205,6 +205,15 @@ async fn run(cfg: &Config, inputs: Vec<Input>) -> Result<i32> {
         .await
         .map_err(|e| anyhow!(e))?;
 
+    if cfg.dump {
+        for link in links {
+            if !client.filtered(&link.uri) {
+                println!("{}", link);
+            }
+        }
+        return Ok(ExitCode::Success as i32);
+    }
+
     let pb = if cfg.no_progress {
         None
     } else {

lychee-bin/src/options.rs

@@ -124,6 +124,12 @@ pub(crate) struct Config {
     #[serde(default)]
     pub(crate) no_progress: bool,
 
+    /// Don't perform any link checking.
+    /// Instead, dump all the links extracted from inputs that would be checked
+    #[structopt(long)]
+    #[serde(default)]
+    pub(crate) dump: bool,
+
     /// Maximum number of allowed redirects
     #[structopt(short, long, default_value = &MAX_REDIRECTS_STR)]
     #[serde(default = "max_redirects")]

lychee-lib/src/client.rs

@@ -198,6 +198,11 @@ impl Client {
         Ok(Response::new(uri, status, source))
     }
 
+    /// Check if the given URI is filtered by the client
+    pub fn filtered(&self, uri: &Uri) -> bool {
+        self.filter.is_excluded(uri)
+    }
+
     pub async fn check_website(&self, uri: &Uri) -> Status {
         let mut retries: i64 = 3;
         let mut wait: u64 = 1;