progress

crates/core/flags/midargs.rs

@@ -475,6 +475,21 @@ impl MidArgs {
         Ok(PatternMatcher::RustRegex(m))
     }
 
+    /// Returns true if some non-zero number of matches is believed to be
+    /// possible.
+    ///
+    /// When this returns false, it is impossible for ripgrep to ever report
+    /// a match.
+    pub(crate) fn matches_possible(&self) -> bool {
+        if self.patterns.patterns.is_empty() {
+            return false;
+        }
+        if self.max_count == Some(0) {
+            return false;
+        }
+        true
+    }
+
     pub(crate) fn overrides(
         &self,
     ) -> anyhow::Result<ignore::overrides::Override> {

crates/core/main.rs

@@ -67,6 +67,7 @@ fn run(result: flags::ParseResult<Args>) -> anyhow::Result<ExitCode> {
         ParseResult::Ok(args) => args,
     };
     let matched = match args.mode {
+        Mode::Search(_) if !args.matches_possible() => false,
         Mode::Search(mode) if args.threads == 1 => search(&args, mode)?,
         Mode::Search(mode) => search_parallel(&args, mode)?,
         Mode::Files if args.threads == 1 => files(&args)?,