cub: fix blake3/sha256 confusion, add DYNAMIC_INIT to custom_script, fix cubl recipe chmod (v6.0 2026)

local/recipes/dev/cubl/recipe.toml

@@ -12,7 +12,7 @@ cargo build --release --target x86_64-unknown-linux-gnu -p cub-cli
 
 mkdir -p "${COOKBOOK_STAGE}/usr/bin"
 cp target/x86_64-unknown-linux-gnu/release/cub "${COOKBOOK_STAGE}/usr/bin/cub"
-chmod +x "${COOKBOOK_STAGE}/usr/bin/cubl"
+chmod +x "${COOKBOOK_STAGE}/usr/bin/cub"
 """
 
 [package]

local/recipes/system/cub/source/cub-lib/src/cookbook.rs

@@ -134,9 +134,6 @@ fn convert_source(source: &crate::rbpkgbuild::SourceEntry) -> Result<CookbookSou
         }
         SourceType::Tar => {
             cookbook.tar = Some(source.url.clone());
-            if !source.sha256.is_empty() {
-                cookbook.blake3 = Some(source.sha256.clone());
-            }
         }
     }
 
@@ -242,7 +239,12 @@ fn prefix_host_deps(deps: &[String]) -> Vec<String> {
 }
 
 fn custom_script(rbpkg: &RbPkgBuild) -> Result<String, CubError> {
-    let mut parts = Vec::new();
+    let mut parts = vec!["DYNAMIC_INIT".to_string()];
+
+    // cookbook_apply_patches is idempotent (skips already-applied patches)
+    if !rbpkg.patches.files.is_empty() {
+        parts.push("cookbook_apply_patches".to_string());
+    }
 
     parts.extend(rbpkg.build.prepare.iter().cloned());
     parts.extend(rbpkg.build.build_script.iter().cloned());
@@ -386,7 +388,7 @@ mod tests {
     }
 
     #[test]
-    fn generates_tar_recipe_with_checksum() {
+    fn generates_tar_recipe_without_checksum() {
         let mut pkg = base_pkg(BuildTemplate::Cargo);
         pkg.source.sources[0] = SourceEntry {
             source_type: SourceType::Tar,
@@ -403,7 +405,9 @@ mod tests {
             value["source"]["tar"].as_str(),
             Some("https://example.com/demo.tar.gz")
         );
-        assert_eq!(value["source"]["blake3"].as_str(), Some("abc123deadbeef"));
+        // SHA256 from AUR is not written to blake3 field — wrong algorithm.
+        // The cookbook computes BLAKE3 on first fetch.
+        assert!(value.get("source").unwrap().get("blake3").is_none());
     }
 
     #[test]
@@ -412,6 +416,7 @@ mod tests {
         let value: toml::Value = toml::from_str(&recipe).expect("parse generated recipe");
         let script = value["build"]["script"].as_str().expect("custom script");
 
+        assert!(script.contains("cookbook_apply_patches"));
         assert!(script.contains("./autogen.sh"));
         assert!(
             script.contains("make\n") || script.ends_with("make") || script.contains("make test")
@@ -419,6 +424,15 @@ mod tests {
         assert!(script.contains("make install"));
     }
 
+    #[test]
+    fn custom_script_omits_patches_when_none_declared() {
+        let mut pkg = base_pkg(BuildTemplate::Custom);
+        pkg.patches.files.clear();
+
+        let recipe = generate_recipe(&pkg).expect("generate recipe");
+        assert!(!recipe.contains("cookbook_apply_patches"));
+    }
+
     #[test]
     fn omits_test_commands_when_policy_disallows_them() {
         let mut pkg = base_pkg(BuildTemplate::Custom);

local/recipes/system/cub/source/cub-lib/src/recipe.rs

@@ -69,7 +69,7 @@ build() {
             value["source"]["tar"].as_str(),
             Some("https://example.com/demo-1.2.3.tar.xz")
         );
-        assert_eq!(value["source"]["blake3"].as_str(), Some("abc123deadbeef"));
+        assert_eq!(value["source"]["blake3"].as_str(), None);
     }
 
     #[test]