Add rpmlib() feature flag for packages with caps

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- `Dependency::script_pre()`, `Dependency::script_post()`, `Dependency::script_preun()`, `Dependency::script_postun()`
+
 ## 0.13.1
 
 ### Added

src/rpm/builder.rs

@@ -665,9 +665,13 @@ impl PackageBuilder {
         let mut base_names = Vec::with_capacity(files_len);
 
         let mut combined_file_sizes: u64 = 0;
+        let mut uses_file_capabilities = false;
 
         for (cpio_path, entry) in self.files.iter() {
             combined_file_sizes += entry.size;
+            if entry.caps.is_some() {
+                uses_file_capabilities = true;
+            }
             file_sizes.push(entry.size);
             file_modes.push(entry.mode.into());
             file_caps.push(entry.caps.to_owned());
@@ -742,6 +746,13 @@ impl PackageBuilder {
             ));
         }
 
+        if uses_file_capabilities {
+            self.requires.push(Dependency::rpmlib(
+                "rpmlib(FileCaps)".to_owned(),
+                "4.6.1-1".to_owned(),
+            ));
+        }
+
         let mut provide_names = Vec::new();
         let mut provide_flags = Vec::new();
         let mut provide_versions = Vec::new();