121 lines
2.9 KiB
Go
121 lines
2.9 KiB
Go
/*
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* LURE - Linux User REpository
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* Copyright (C) 2022 Arsen Musayelyan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package manager
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import (
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"os"
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"os/exec"
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)
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type Opts struct {
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AsRoot bool
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NoConfirm bool
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}
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var DefaultOpts = &Opts{
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AsRoot: true,
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NoConfirm: false,
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}
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// DefaultRootCmd is the command used for privilege elevation by default
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var DefaultRootCmd = "sudo"
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var managers = []Manager{
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&Pacman{},
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&APT{},
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&DNF{},
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&YUM{},
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&APK{},
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&Zypper{},
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}
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// Register registers a new package manager
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func Register(m Manager) {
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managers = append(managers, m)
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}
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// Manager represents a system package manager
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type Manager interface {
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// Name returns the name of the manager.
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Name() string
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// Format returns the packaging format of the manager.
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// Examples: rpm, deb, apk
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Format() string
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// Returns true if the package manager exists on the system.
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Exists() bool
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// Sets the command used to elevate privileges. Defaults to DefaultRootCmd.
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SetRootCmd(string)
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// Sync fetches repositories without installing anything
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Sync(*Opts) error
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// Install installs packages
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Install(*Opts, ...string) error
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// Remove uninstalls packages
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Remove(*Opts, ...string) error
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// Upgrade upgrades packages
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Upgrade(*Opts, ...string) error
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// InstallLocal installs packages from local files rather than repos
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InstallLocal(*Opts, ...string) error
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// UpgradeAll upgrades all packages
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UpgradeAll(*Opts) error
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// ListInstalled returns all installed packages mapped to their versions
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ListInstalled(*Opts) (map[string]string, error)
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}
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// Detect returns the package manager detected on the system
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func Detect() Manager {
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for _, mgr := range managers {
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if mgr.Exists() {
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return mgr
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}
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}
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return nil
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}
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// Get returns the package manager with the given name
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func Get(name string) Manager {
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for _, mgr := range managers {
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if mgr.Name() == name {
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return mgr
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}
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}
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return nil
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}
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// getRootCmd returns rootCmd if it's not empty, otherwise returns DefaultRootCmd
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func getRootCmd(rootCmd string) string {
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if rootCmd != "" {
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return rootCmd
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}
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return DefaultRootCmd
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}
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func setCmdEnv(cmd *exec.Cmd) {
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cmd.Env = os.Environ()
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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}
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func ensureOpts(opts *Opts) *Opts {
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if opts == nil {
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return DefaultOpts
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}
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return opts
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}
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