feat(utils): drop unneeded functionality

And rename a few functions.

Author: fosskers

alpm-utils/src/alpm.rs

@@ -1,49 +1,10 @@
 //! Extension methods for the [`Alpm`] type.
 
-use crate::depends::satisfies_ver;
 use crate::DbListExt;
-use alpm::{Alpm, Depend, Package, PackageReason, SigLevel};
-use std::path::Path;
-
-/// Extension methods to the [`Alpm`] type.
-pub trait AlpmExt {
-    /// Try to find a [`Package`] that satisfies a given dependency.
-    fn find_local_satisfier<S>(&self, pkg: S) -> Option<Package<'_>>
-    where
-        S: Into<String>;
-}
-
-impl AlpmExt for Alpm {
-    fn find_local_satisfier<S>(&self, pkg: S) -> Option<Package<'_>>
-    where
-        S: Into<String>,
-    {
-        let localdb = self.localdb();
-        let pkg = pkg.into();
-
-        match localdb.pkg(pkg.as_str()) {
-            Ok(alpm_pkg) if satisfies_ver(Depend::new(pkg.as_str()), alpm_pkg.version()) => {
-                Some(alpm_pkg)
-            }
-            _ => localdb.pkgs().find_satisfier(pkg),
-        }
-    }
-}
-
-/// All orphaned packages.
-///
-/// An orphan is a package that was installed as a dependency, but whose parent
-/// package is no longer installed.
-pub fn orphans(alpm: &Alpm) -> impl Iterator<Item = Package<'_>> {
-    alpm.localdb().pkgs().into_iter().filter(|p| {
-        p.reason() == PackageReason::Depend
-            && p.required_by().is_empty()
-            && p.optional_for().is_empty()
-    })
-}
+use alpm::{Alpm, Package};
 
 /// All official packages.
-pub fn officials(alpm: &Alpm) -> impl Iterator<Item = Package<'_>> {
+pub fn native_packages(alpm: &Alpm) -> impl Iterator<Item = Package<'_>> {
     let syncs = alpm.syncdbs();
 
     alpm.localdb()
@@ -53,19 +14,11 @@ pub fn officials(alpm: &Alpm) -> impl Iterator<Item = Package<'_>> {
 }
 
 /// All foreign packages as an `Iterator`.
-pub fn foreigns(alpm: &Alpm) -> impl Iterator<Item = Package<'_>> {
+pub fn foreign_packages(alpm: &Alpm) -> impl Iterator<Item = Package<'_>> {
     let syncs = alpm.syncdbs();
 
     alpm.localdb()
         .pkgs()
         .into_iter()
         .filter(move |p| syncs.pkg(p.name()).is_err())
 }
-
-/// Does the given `Path` point to a valid tarball that can can loaded by ALPM?
-pub fn is_valid_package(alpm: &Alpm, path: &Path) -> bool {
-    match path.to_str() {
-        None => false,
-        Some(p) => path.exists() && alpm.pkg_load(p, true, SigLevel::USE_DEFAULT).is_ok(),
-    }
-}