Add builtin policies as statics

Author: gregoire-mullvad

src/policy/builtin.rs

@@ -1,17 +1,24 @@
+use std::sync::LazyLock;
+
 use super::Policy;
 
-const SIGSUM_TEST1_2025: &str = include_str!("sigsum-test1-2025.builtin-policy");
-const SIGSUM_TEST2_2025: &str = include_str!("sigsum-test2-2025.builtin-policy");
-const SIGSUM_TEST_2025_3: &str = include_str!("sigsum-test-2025-3.builtin-policy");
-const SIGSUM_GENERIC_2025_1: &str = include_str!("sigsum-generic-2025-1.builtin-policy");
+const SRC_SIGSUM_TEST1_2025: &str = include_str!("sigsum-test1-2025.builtin-policy");
+const SRC_SIGSUM_TEST2_2025: &str = include_str!("sigsum-test2-2025.builtin-policy");
+const SRC_SIGSUM_TEST_2025_3: &str = include_str!("sigsum-test-2025-3.builtin-policy");
+const SRC_SIGSUM_GENERIC_2025_1: &str = include_str!("sigsum-generic-2025-1.builtin-policy");
+
+pub static SIGSUM_TEST1_2025: LazyLock<Policy> = LazyLock::new(|| Policy::builtin("sigsum-test1-2025").unwrap());
+pub static SIGSUM_TEST2_2025: LazyLock<Policy> = LazyLock::new(|| Policy::builtin("sigsum-test2-2025").unwrap());
+pub static SIGSUM_TEST_2025_3: LazyLock<Policy> = LazyLock::new(|| Policy::builtin("sigsum-test-2025-3").unwrap());
+pub static SIGSUM_GENERIC_2025_1: LazyLock<Policy> = LazyLock::new(|| Policy::builtin("sigsum-generic-2025-1").unwrap());
 
 impl Policy {
     pub fn builtin(name: &str) -> Option<Self> {
         match name {
-            "sigsum-test1-2025" => Some(Policy::parse(SIGSUM_TEST1_2025).unwrap()),
-            "sigsum-test2-2025" => Some(Policy::parse(SIGSUM_TEST2_2025).unwrap()),
-            "sigsum-test-2025-3" => Some(Policy::parse(SIGSUM_TEST_2025_3).unwrap()),
-            "sigsum-generic-2025-1" => Some(Policy::parse(SIGSUM_GENERIC_2025_1).unwrap()),
+            "sigsum-test1-2025" => Some(Policy::parse(SRC_SIGSUM_TEST1_2025).unwrap()),
+            "sigsum-test2-2025" => Some(Policy::parse(SRC_SIGSUM_TEST2_2025).unwrap()),
+            "sigsum-test-2025-3" => Some(Policy::parse(SRC_SIGSUM_TEST_2025_3).unwrap()),
+            "sigsum-generic-2025-1" => Some(Policy::parse(SRC_SIGSUM_GENERIC_2025_1).unwrap()),
             _ => None,
         }
     }

src/policy/mod.rs

@@ -2,7 +2,7 @@ use std::collections::HashMap;
 
 use crate::crypto::{Hash, PublicKey};
 
-mod builtin;
+pub mod builtin;
 mod parsing;
 
 pub use parsing::ParsePolicyError;