feat: allow comments in tracking file

src/main.rs

@@ -1,4 +1,5 @@
 use std::{
+    fmt::Write,
     fs::{self, File},
     io::{self, BufRead},
 };
@@ -134,11 +135,16 @@ async fn main() -> Result<()> {
             get_diff(pr, &opts.path, &client).await?;
         }
         CliCommands::UpdatePrs(opts) => {
-            let mut trackable: Vec<u32> = Vec::new();
+            let mut trackable: Vec<(u32, String)> = Vec::new();
             {
                 let file = File::open(opts.pr_file.clone())?;
                 for l in io::BufReader::new(file).lines() {
-                    let l = l?.parse::<u32>()?;
+                    let l = l?;
+                    let l = if let Some((pr, _)) = l.split_once("#") {
+                        pr.parse::<u32>()?
+                    } else {
+                        bail!("Could not parse line")
+                    };
                     let pr = get_pr(l, &client).await?;
                     println!("Fetching diff for PR #{}: {}", l, pr.title);
                     if contains(&opts.branch, &pr, &client).await? {
@@ -146,17 +152,17 @@ async fn main() -> Result<()> {
                         fs::remove_file(format!("{}/{}.diff", opts.path, l))?;
                     } else {
                         get_diff(l, &opts.path, &client).await?;
-                        trackable.push(l.clone());
+                        trackable.push((l, pr.title));
                     }
                 }
             }
-            fs::write(
+            let mut str = String::new();
-                &opts.pr_file,
+            for (pr, title) in trackable {
-                trackable
+                let title = title.replace("\n", "//");
-                    .iter()
+                writeln!(&mut str, "{} # {}", pr, title)?;
-                    .map(|x| format!("{}\n", x))
+            }
-                    .collect::<String>(),
+
-            )?;
+            fs::write(&opts.pr_file, str)?;
         }
     };
     Ok(())