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|
package managers
import (
"fmt"
"os"
"path/filepath"
"runtime"
"slices"
"github.com/lxc/distrobuilder/shared"
)
type pacman struct {
common
}
func (m *pacman) load() error {
err := m.setMirrorlist()
if err != nil {
return fmt.Errorf("Failed to set mirrorlist: %w", err)
}
err = m.setupTrustedKeys()
if err != nil {
return fmt.Errorf("Failed to setup trusted keys: %w", err)
}
m.commands = managerCommands{
clean: "pacman",
install: "pacman",
refresh: "pacman",
remove: "pacman",
update: "pacman",
}
m.flags = managerFlags{
clean: []string{
"-Sc",
},
global: []string{
"--noconfirm",
},
install: []string{
"-S", "--needed",
},
remove: []string{
"-Rcs",
},
refresh: []string{
"-Syy",
},
update: []string{
"-Su",
},
}
m.hooks = managerHooks{
clean: func() error {
path := "/var/cache/pacman/pkg"
// List all entries.
entries, err := os.ReadDir(path)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return fmt.Errorf("Failed to list directory '%s': %w", path, err)
}
// Individually wipe all entries.
for _, entry := range entries {
entryPath := filepath.Join(path, entry.Name())
err := os.RemoveAll(entryPath)
if err != nil && !os.IsNotExist(err) {
return fmt.Errorf("Failed to remove '%s': %w", entryPath, err)
}
}
return nil
},
}
return nil
}
func (m *pacman) setupTrustedKeys() error {
var err error
_, err = os.Stat("/etc/pacman.d/gnupg")
if err == nil {
return nil
}
err = shared.RunCommand(m.ctx, nil, nil, "pacman-key", "--init")
if err != nil {
return fmt.Errorf("Error initializing with pacman-key: %w", err)
}
var keyring string
if slices.Contains([]string{"arm", "arm64"}, runtime.GOARCH) {
keyring = "archlinuxarm"
} else {
keyring = "archlinux"
}
err = shared.RunCommand(m.ctx, nil, nil, "pacman-key", "--populate", keyring)
if err != nil {
return fmt.Errorf("Error populating with pacman-key: %w", err)
}
return nil
}
func (m *pacman) setMirrorlist() error {
f, err := os.Create(filepath.Join("etc", "pacman.d", "mirrorlist"))
if err != nil {
return fmt.Errorf("Failed to create file %q: %w", filepath.Join("etc", "pacman.d", "mirrorlist"), err)
}
defer f.Close()
var mirror string
if slices.Contains([]string{"arm", "arm64"}, runtime.GOARCH) {
mirror = "Server = http://mirror.archlinuxarm.org/$arch/$repo"
} else if slices.Contains([]string{"riscv64"}, runtime.GOARCH) {
mirror = "Server = https://archriscv.felixc.at/repo/$repo"
} else {
mirror = "Server = http://mirrors.kernel.org/archlinux/$repo/os/$arch"
}
_, err = f.WriteString(mirror)
if err != nil {
return fmt.Errorf("Failed to write to %q: %w", filepath.Join("etc", "pacman.d", "mirrorlist"), err)
}
return nil
}
|
