From 0aaa6ba5bed936ffb762719b10ca576dc4d15c98 Mon Sep 17 00:00:00 2001
From: Charlie Marsh <charlie.r.marsh@gmail.com>
Date: Mon, 18 Nov 2024 10:45:14 -0500
Subject: [PATCH] Migrate to `zlib-rs` (#9184)

## Summary

I've tried this a few times; just curious if it passes tests.
---
 Cargo.lock                                    | 27 ++++++++-----------
 .../uv-performance-flate2-backend/Cargo.toml  |  4 +--
 2 files changed, 12 insertions(+), 19 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 1475765d7..ddda22b96 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -631,15 +631,6 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97"
 
-[[package]]
-name = "cmake"
-version = "0.1.51"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb1e43aa7fd152b1f968787f7dbcdeb306d1867ff373c69955211876c053f91a"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "codspeed"
 version = "2.7.2"
@@ -1104,7 +1095,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c936bfdafb507ebbf50b8074c54fa31c5be9a1e7e5f467dd659697041407d07c"
 dependencies = [
  "crc32fast",
- "libz-ng-sys",
+ "libz-rs-sys",
  "miniz_oxide",
 ]
 
@@ -1983,13 +1974,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "libz-ng-sys"
-version = "1.1.16"
+name = "libz-rs-sys"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4436751a01da56f1277f323c80d584ffad94a3d14aecd959dd0dff75aa73a438"
+checksum = "39cc71ac688c22a9f5730a38171ac94795c071ac81d1a0ab5537f6ef164fff30"
 dependencies = [
- "cmake",
- "libc",
+ "zlib-rs",
 ]
 
 [[package]]
@@ -5190,7 +5180,6 @@ name = "uv-performance-flate2-backend"
 version = "0.1.0"
 dependencies = [
  "flate2",
- "libz-ng-sys",
 ]
 
 [[package]]
@@ -6388,6 +6377,12 @@ dependencies = [
  "flate2",
 ]
 
+[[package]]
+name = "zlib-rs"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ca4a9dc6566c9224cc161dedc5577bd81f4a9ee0f9fbe80592756d096b07ee5"
+
 [[package]]
 name = "zstd"
 version = "0.13.2"
diff --git a/crates/uv-performance-flate2-backend/Cargo.toml b/crates/uv-performance-flate2-backend/Cargo.toml
index 660cf44ce..0e2d9bc28 100644
--- a/crates/uv-performance-flate2-backend/Cargo.toml
+++ b/crates/uv-performance-flate2-backend/Cargo.toml
@@ -8,9 +8,7 @@ edition = "2021"
 doctest = false
 
 [target.'cfg(not(any(target_arch = "s390x", target_arch = "powerpc64", target_os = "freebsd")))'.dependencies]
-flate2 = { version = "1.0.28", default-features = false, features = ["zlib-ng"] }
-# See: https://github.com/rust-lang/libz-sys/issues/225
-libz-ng-sys = { version = "<1.1.20" }
+flate2 = { version = "1.0.28", default-features = false, features = ["zlib-rs"] }
 
 [target.'cfg(any(target_arch = "s390x", target_arch = "powerpc64", target_os = "freebsd"))'.dependencies]
 flate2 = { version = "1.0.28", default-features = false, features = ["rust_backend"] }