remove libalpm.so=13 support

db.go

@@ -206,3 +206,15 @@ func (db *DB) Search(targets []string) IPackageList {
 
 	return PackageList{(*list)(unsafe.Pointer(ret)), db.handle}
 }
+
+// PkgCachebyGroup returns a PackageList of packages belonging to a group
+func (l DBList) FindGroupPkgs(name string) IPackageList {
+	cName := C.CString(name)
+
+	defer C.free(unsafe.Pointer(cName))
+
+	pkglist := (*C.struct__alpm_list_t)(unsafe.Pointer(l.list))
+	pkgcache := (*list)(unsafe.Pointer(C.alpm_find_group_pkgs(pkglist, cName)))
+
+	return PackageList{pkgcache, l.handle}
+}

deps.go

@@ -1,6 +1,3 @@
-//go:build !next
-// +build !next
-
 package alpm
 
 /*
@@ -20,8 +17,8 @@ func (l DBList) FindSatisfier(depstring string) (IPackage, error) {
 
 	defer C.free(unsafe.Pointer(cDepString))
 
-	pkgList := (*C.struct___alpm_list_t)(unsafe.Pointer(l.list))
-	pkgHandle := (*C.struct___alpm_handle_t)(unsafe.Pointer(l.handle.ptr))
+	pkgList := (*C.struct__alpm_list_t)(unsafe.Pointer(l.list))
+	pkgHandle := (*C.struct__alpm_handle_t)(unsafe.Pointer(l.handle.ptr))
 
 	ptr := C.alpm_find_dbs_satisfier(pkgHandle, pkgList, cDepString)
 	if ptr == nil {
@@ -38,7 +35,7 @@ func (l PackageList) FindSatisfier(depstring string) (IPackage, error) {
 
 	defer C.free(unsafe.Pointer(cDepString))
 
-	pkgList := (*C.struct___alpm_list_t)(unsafe.Pointer(l.list))
+	pkgList := (*C.struct__alpm_list_t)(unsafe.Pointer(l.list))
 
 	ptr := C.alpm_find_satisfier(pkgList, cDepString)
 	if ptr == nil {

package.go

@@ -8,6 +8,21 @@ package alpm
 
 /*
 #include <alpm.h>
+
+int pkg_cmp(const void *v1, const void *v2)
+{
+    alpm_pkg_t *p1 = (alpm_pkg_t *)v1;
+    alpm_pkg_t *p2 = (alpm_pkg_t *)v2;
+    off_t s1 = alpm_pkg_get_isize(p1);
+    off_t s2 = alpm_pkg_get_isize(p2);
+
+    if (s1 > s2)
+        return -1;
+    else if (s1 < s2)
+        return 1;
+    else
+        return 0;
+}
 */
 import "C"
 
@@ -287,3 +302,18 @@ func (pkg *Package) ShouldIgnore() bool {
 func (pkg *Package) Type() string {
 	return "alpm"
 }
+
+// SortBySize returns a PackageList sorted by size.
+func (l PackageList) SortBySize() IPackageList {
+	pkgList := (*C.struct__alpm_list_t)(unsafe.Pointer(l.list))
+
+	pkgCache := (*list)(unsafe.Pointer(
+		C.alpm_list_msort(pkgList, //nolint
+			C.alpm_list_count(pkgList),
+			C.alpm_list_fn_cmp(C.pkg_cmp))))
+	if pkgCache == nil {
+		return nil
+	}
+
+	return PackageList{pkgCache, l.handle}
+}