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package.go
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package.go
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// package.go - libalpm package type and methods.
//
// Copyright (c) 2013 The go-alpm Authors
//
// MIT Licensed. See LICENSE for details.
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"
import (
"time"
"unsafe"
)
// Package describes a single package and associated handle.
type Package struct {
pmpkg *C.alpm_pkg_t
handle Handle
}
// SortBySize returns a PackageList sorted by size.
func (l PackageList) SortBySize() PackageList {
pkgList := (*C.alpm_list_t)(unsafe.Pointer(l.List))
pkgCache := C.alpm_list_msort(pkgList,
C.alpm_list_count(pkgList),
C.alpm_list_fn_cmp(C.pkg_cmp))
return makePackageList(pkgCache, l.handle)
}
func (pkg *Package) FileName() string {
return C.GoString(C.alpm_pkg_get_filename(pkg.pmpkg))
}
func (pkg *Package) Base() string {
return C.GoString(C.alpm_pkg_get_base(pkg.pmpkg))
}
func (pkg *Package) Base64Signature() string {
return C.GoString(C.alpm_pkg_get_base64_sig(pkg.pmpkg))
}
func (pkg *Package) Validation() Validation {
return Validation(C.alpm_pkg_get_validation(pkg.pmpkg))
}
// Architecture returns the package target Architecture.
func (pkg *Package) Architecture() string {
return C.GoString(C.alpm_pkg_get_arch(pkg.pmpkg))
}
func (pkg *Package) Deltas() StringList {
return makeStringList(C.alpm_pkg_get_deltas(pkg.pmpkg))
}
// Backup returns a list of package backups.
func (pkg *Package) Backup() BackupList {
return makeBackupList(C.alpm_pkg_get_backup(pkg.pmpkg))
}
// BuildDate returns the BuildDate of the package.
func (pkg *Package) BuildDate() time.Time {
t := C.alpm_pkg_get_builddate(pkg.pmpkg)
return time.Unix(int64(t), 0)
}
// Conflicts returns the conflicts of the package as a DependList.
func (pkg *Package) Conflicts() DependList {
return makeDependList(C.alpm_pkg_get_conflicts(pkg.pmpkg))
}
// DB returns the package's origin database.
func (pkg *Package) DB() *DB {
ptr := C.alpm_pkg_get_db(pkg.pmpkg)
if ptr == nil {
return nil
}
return &DB{ptr, pkg.handle}
}
// Depends returns the package's dependency list.
func (pkg *Package) Depends() DependList {
return makeDependList(C.alpm_pkg_get_depends(pkg.pmpkg))
}
// Depends returns the package's optional dependency list.
func (pkg *Package) OptionalDepends() DependList {
return makeDependList(C.alpm_pkg_get_optdepends(pkg.pmpkg))
}
// Depends returns the package's check dependency list.
func (pkg *Package) CheckDepends() DependList {
return makeDependList(C.alpm_pkg_get_checkdepends(pkg.pmpkg))
}
// Depends returns the package's make dependency list.
func (pkg *Package) MakeDepends() DependList {
return makeDependList(C.alpm_pkg_get_makedepends(pkg.pmpkg))
}
// Description returns the package's description.
func (pkg *Package) Description() string {
return C.GoString(C.alpm_pkg_get_desc(pkg.pmpkg))
}
// Files returns the file list of the package.
func (pkg *Package) Files() *FileList {
return (*FileList)(C.alpm_pkg_get_files(pkg.pmpkg))
}
// Groups returns the groups the package belongs to.
func (pkg *Package) Groups() StringList {
return makeStringList(C.alpm_pkg_get_groups(pkg.pmpkg))
}
// ISize returns the package installed size.
func (pkg *Package) ISize() int64 {
t := C.alpm_pkg_get_isize(pkg.pmpkg)
return int64(t)
}
// InstallDate returns the package install date.
func (pkg *Package) InstallDate() time.Time {
t := C.alpm_pkg_get_installdate(pkg.pmpkg)
return time.Unix(int64(t), 0)
}
// Licenses returns the package license list.
func (pkg *Package) Licenses() StringList {
return makeStringList(C.alpm_pkg_get_licenses(pkg.pmpkg))
}
// SHA256Sum returns package SHA256Sum.
func (pkg *Package) SHA256Sum() string {
return C.GoString(C.alpm_pkg_get_sha256sum(pkg.pmpkg))
}
// MD5Sum returns package MD5Sum.
func (pkg *Package) MD5Sum() string {
return C.GoString(C.alpm_pkg_get_md5sum(pkg.pmpkg))
}
// Name returns package name.
func (pkg *Package) Name() string {
return C.GoString(C.alpm_pkg_get_name(pkg.pmpkg))
}
// Packager returns package packager name.
func (pkg *Package) Packager() string {
return C.GoString(C.alpm_pkg_get_packager(pkg.pmpkg))
}
// Provides returns DependList of packages provides by package.
func (pkg *Package) Provides() DependList {
return makeDependList(C.alpm_pkg_get_provides(pkg.pmpkg))
}
// Reason returns package install reason.
func (pkg *Package) Reason() PkgReason {
reason := C.alpm_pkg_get_reason(pkg.pmpkg)
return PkgReason(reason)
}
// Origin returns package origin.
func (pkg *Package) Origin() PkgFrom {
origin := C.alpm_pkg_get_origin(pkg.pmpkg)
return PkgFrom(origin)
}
// Replaces returns a DependList with the packages this package replaces.
func (pkg *Package) Replaces() DependList {
return makeDependList(C.alpm_pkg_get_replaces(pkg.pmpkg))
}
// Size returns the packed package size.
func (pkg *Package) Size() int64 {
t := C.alpm_pkg_get_size(pkg.pmpkg)
return int64(t)
}
// URL returns the upstream URL of the package.
func (pkg *Package) URL() string {
return C.GoString(C.alpm_pkg_get_url(pkg.pmpkg))
}
// Version returns the package version.
func (pkg *Package) Version() string {
return C.GoString(C.alpm_pkg_get_version(pkg.pmpkg))
}
// ComputeRequiredBy returns the names of reverse dependencies of a package
func (pkg *Package) ComputeRequiredBy() PackageList {
result := C.alpm_pkg_compute_requiredby(pkg.pmpkg)
return makePackageList(result, pkg.handle)
}
// ComputeOptionalFor returns the names of packages that optionally require the given package
func (pkg *Package) ComputeOptionalFor() PackageList {
result := C.alpm_pkg_compute_optionalfor(pkg.pmpkg)
return makePackageList(result, pkg.handle)
}
func (pkg *Package) ShouldIgnore() bool {
result := C.alpm_pkg_should_ignore(pkg.handle.ptr, pkg.pmpkg)
return result == 1
}