Keep running until a fixed point is reached.

Author: ltratt

src/main.rs

@@ -15,14 +15,15 @@ enum PubKind {
     Private,
 }
 
-fn process(cmd: &str, p: &Path) {
+fn process(cmd: &str, p: &Path) -> u64 {
     let pub_regex = RegexBuilder::new("pub(?:\\s*\\(\\s*(.*?)\\s*\\))?")
         .multi_line(true)
         .build()
         .unwrap();
     let mut cur_txt = read_to_string(p).unwrap();
     let mut i = 0;
     let mut cl = pub_regex.capture_locations();
+    let mut num_changed = 0;
     while i < cur_txt.len() {
         print!(".");
         stdout().flush().ok();
@@ -66,6 +67,7 @@ fn process(cmd: &str, p: &Path) {
                 .status()
             {
                 Ok(s) if s.success() => {
+                    num_changed += 1;
                     next_txt = try_txt;
                 }
                 _ => break,
@@ -80,6 +82,7 @@ fn process(cmd: &str, p: &Path) {
         }
     }
     write(p, cur_txt).unwrap();
+    num_changed
 }
 
 fn progname() -> String {
@@ -113,10 +116,23 @@ fn main() {
     }
 
     let cmd_str = matches.opt_str("c").unwrap();
-    for p in matches.free {
-        print!("{}: ", p);
-        stdout().flush().ok();
-        process(cmd_str.as_str(), &Path::new(&p));
-        println!("");
+    let mut round = 1;
+    loop {
+        println!("===> Round {}", round);
+        let mut changed = false;
+        for p in &matches.free {
+            print!("{}: ", p);
+            stdout().flush().ok();
+            let num_changed = process(cmd_str.as_str(), &Path::new(&p));
+            if num_changed > 0 {
+                print!(" ({} elements depub'ed)", num_changed);
+                changed = true;
+            }
+            println!("");
+        }
+        if !changed {
+            break;
+        }
+        round += 1;
     }
 }