From 2869d692e85720922a122dd5b4623a36ca0cfcf5 Mon Sep 17 00:00:00 2001
From: newt <hi@newty.dev>
Date: Sat, 7 Sep 2024 02:11:07 +0100
Subject: [PATCH] fix: ensure only latest version of crate appears

---
 Cargo.lock  |  7 +++++++
 Cargo.toml  |  1 +
 src/main.rs | 16 +++++++++++++++-
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/Cargo.lock b/Cargo.lock
index 6a9997e..e131386 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -150,6 +150,7 @@ dependencies = [
  "color-eyre",
  "forgejo-api",
  "futures",
+ "semver",
  "tokio",
  "url",
 ]
@@ -856,6 +857,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
 [[package]]
 name = "serde"
 version = "1.0.210"
diff --git a/Cargo.toml b/Cargo.toml
index 166b4bb..90e8880 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,5 +9,6 @@ cargo_toml = "0.20.4"
 color-eyre = "0.6.3"
 forgejo-api = "0.4.1"
 futures = "0.3.30"
+semver = "1.0.23"
 tokio = { version = "1.40.0", features = ["full"] }
 url = "2.5.2"
diff --git a/src/main.rs b/src/main.rs
index 76ea871..da0a5f4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,7 @@ use forgejo_api::{
     Forgejo,
 };
 use futures::future::join_all;
+use semver::Version;
 use std::env;
 use url::Url;
 
@@ -58,7 +59,20 @@ async fn main() -> Result<()> {
         )
     })
     .filter_map(|(name, version)| version.map(|version| (name, version)))
-    .collect();
+    .map(|(name, version)| (name, Version::parse(&version)))
+    .filter_map(|(name, version)| version.ok().map(|version| (name, version)))
+    // ensure we only have the latest version of each crate
+    .fold(Vec::new(), |mut acc, (name, version)| {
+        if let Some((_, existing_version)) = acc.iter().find(|(n, _)| n == &name) {
+            if &version > existing_version {
+                acc.retain(|(n, _)| n != &name);
+                acc.push((name, version));
+            }
+        } else {
+            acc.push((name, version));
+        }
+        acc
+    });
 
     println!("{:?}", crates);