feat: updated coyote installation scripts to detect when gnu is installable

src/config/update.rs

@@ -68,30 +68,9 @@ fn normalize_version(requested: Option<String>) -> Option<String> {
     }
 }
 
-fn host_has_glibc() -> bool {
-    if process::Command::new("getconf")
-        .arg("GNU_LIBC_VERSION")
-        .output()
-        .is_ok_and(|out| out.status.success())
-    {
-        return true;
-    }
-    process::Command::new("ldd")
-        .arg("--version")
-        .output()
-        .is_ok_and(|out| {
-            let combined = format!(
-                "{}{}",
-                String::from_utf8_lossy(&out.stdout),
-                String::from_utf8_lossy(&out.stderr)
-            );
-            combined.to_lowercase().contains("glibc")
-        })
-}
-
 fn preferred_update_target() -> Option<&'static str> {
     match (env::consts::OS, env::consts::ARCH) {
-        ("linux", "x86_64") if host_has_glibc() => Some("x86_64-unknown-linux-gnu"),
+        ("linux", "x86_64") if cfg!(target_env = "gnu") => Some("x86_64-unknown-linux-gnu"),
         ("linux", "x86_64") => Some("x86_64-unknown-linux-musl"),
         // No aarch64 gnu asset is published; musl is the only option.
         ("linux", "aarch64") => Some("aarch64-unknown-linux-musl"),