use reqwest as build dep too

Instead of ureq, we'll just use reqwest with blocking feature enabled for the new build script.

Author: 2bndy5

.gitignore

@@ -347,3 +347,4 @@ cpp-linter-py/docs/cli_args.rst
 lcov.info
 coverage.json
 .config/ReleaseNotes.md
+versions.json

Cargo.lock

@@ -50,7 +50,7 @@ bin = ["dep:clap", "dep:tokio", "dep:anyhow", "dep:colored"]
 [build-dependencies]
 serde = { workspace = true }
 serde_json = { workspace = true }
-ureq = { version = "3.3.0", default-features = false, features = ["rustls"] }
+reqwest = { workspace = true, features = ["default-tls", "blocking"] }
 
 [package.metadata.binstall]
 pkg-url = "{ repo }/releases/download/clang-installer/v{ version }/{ name }-{ target }{ archive-suffix }"

clang-installer/Cargo.toml

@@ -1,20 +1,31 @@
+use std::{fs, path::PathBuf};
+
+use reqwest::blocking::ClientBuilder;
+
 const URL: &str = "https://github.com/cpp-linter/clang-tools-static-binaries/releases/latest/download/versions.json";
 
 #[derive(Debug, serde::Deserialize)]
 struct VersionInfo {
     release_tag: String,
     llvm_versions: std::collections::HashMap<u8, String>,
 }
-
 fn main() {
-    let mut response = ureq::get(URL)
-        .call()
-        .unwrap();
-    let body = response.body_mut();
-    let body_str = body
-        .read_to_string()
-        .unwrap();
-    let version_info: VersionInfo = serde_json::from_str(&body_str).unwrap();
+    let pre_seed = PathBuf::from("versions.json");
+    let version_info_str = if pre_seed.exists() {
+        println!("cargo:warning=Using pre-seeded version info from {pre_seed:?}");
+        fs::read_to_string(&pre_seed).unwrap()
+    } else {
+        ClientBuilder::new()
+            .user_agent("cpp-linter-rs/clang-installer")
+            .build()
+            .unwrap()
+            .get(URL)
+            .send()
+            .unwrap()
+            .text()
+            .unwrap()
+    };
+    let version_info: VersionInfo = serde_json::from_str(&version_info_str).unwrap();
     let (min_ver, max_ver) = {
         let (mut min_v, mut max_v) = (None, None);
         for ver in version_info.llvm_versions.keys() {
@@ -27,7 +38,10 @@ fn main() {
         }
         (min_v.unwrap(), max_v.unwrap())
     };
-    println!("cargo:rustc-env=CLANG_TOOLS_TAG={}", version_info.release_tag);
+    println!(
+        "cargo:rustc-env=CLANG_TOOLS_TAG={}",
+        version_info.release_tag
+    );
     println!("cargo:rustc-env=MIN_CLANG_TOOLS_VERSION={min_ver}");
     println!("cargo:rustc-env=MAX_CLANG_TOOLS_VERSION={max_ver}");
 }