schema: remove lazy_static dependency

Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>

proxmox-schema/Cargo.toml

@@ -6,13 +6,13 @@ edition.workspace = true
 license.workspace = true
 repository.workspace = true
 description = "proxmox api schema and validation"
+rust-version.workspace = true
 
 exclude.workspace = true
 
 [dependencies]
 anyhow.workspace = true
 const_format = { workspace = true, optional = true }
-lazy_static.workspace = true
 regex.workspace = true
 serde.workspace = true
 serde_json.workspace = true

proxmox-schema/src/const_regex.rs

@@ -5,7 +5,7 @@ use std::fmt;
 /// The current Regex::new() function is not `const_fn`. Unless that
 /// works, we use `ConstRegexPattern` to represent static regular
 /// expressions. Please use the `const_regex` macro to generate
-/// instances of this type (uses lazy_static).
+/// instances of this type.
 pub struct ConstRegexPattern {
     /// This is only used for documentation and debugging
     pub regex_string: &'static str,
@@ -47,9 +47,7 @@ macro_rules! const_regex {
             $crate::ConstRegexPattern {
                 regex_string: $regex,
                 regex_obj: (|| ->   &'static ::regex::Regex {
-                    $crate::semver_exempt::lazy_static! {
-                        static ref SCHEMA: ::regex::Regex = ::regex::Regex::new($regex).unwrap();
-                    }
+                    static SCHEMA: std::sync::LazyLock<::regex::Regex> = std::sync::LazyLock::new(|| ::regex::Regex::new($regex).unwrap());
                     &SCHEMA
                 })
             };

proxmox-schema/src/lib.rs

@@ -29,13 +29,5 @@ pub use schema::*;
 
 pub mod upid;
 
-// const_regex uses lazy_static, but we otherwise don't need it, and don't want to force users to
-// have to write it out in their Cargo.toml as dependency, so we add a hidden re-export here which
-// is semver-exempt!
-#[doc(hidden)]
-pub mod semver_exempt {
-    pub use lazy_static::lazy_static;
-}
-
 #[cfg(feature = "api-types")]
 pub mod api_types;