111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
// Package zellij installs zellij and optionally writes a remote config.
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package zellij
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"gitlab.hive-brain.de/MDietermann/Archduino/internal/config"
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"gitlab.hive-brain.de/MDietermann/Archduino/internal/module"
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"gitlab.hive-brain.de/MDietermann/Archduino/internal/platform"
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)
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type Module struct {
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cfg config.ZellijConfig
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pm platform.PackageManager
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}
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func New(cfg config.ZellijConfig, pm platform.PackageManager) Module {
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return Module{cfg: cfg, pm: pm}
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}
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type state struct {
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Installed bool
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ConfigOK bool
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ConfigPath string
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}
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func (Module) Meta() module.Meta {
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return module.Meta{ID: "zellij", Name: "Zellij terminal multiplexer", Description: "Install zellij and config."}
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}
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func configPath() (string, error) {
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h, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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return filepath.Join(h, ".config", "zellij", "config.kdl"), nil
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}
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func (m Module) Detect(ctx context.Context) (module.State, error) {
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var s state
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ok, err := m.pm.IsInstalled(ctx, "zellij")
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if err != nil {
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return nil, err
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}
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s.Installed = ok
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p, err := configPath()
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if err != nil {
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return nil, err
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}
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s.ConfigPath = p
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if m.cfg.ConfigURL == "" {
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s.ConfigOK = true
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} else if _, err := os.Stat(p); err == nil {
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s.ConfigOK = true
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}
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return s, nil
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}
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func (m Module) Plan(ctx context.Context, cur module.State) (module.Plan, error) {
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s, _ := cur.(state)
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var actions []module.Action
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if !s.Installed {
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actions = append(actions, module.Action{
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Description: "pacman install zellij",
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Kind: module.ActionPackageInstall,
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Exec: func(ctx context.Context) error { return m.pm.Install(ctx, []string{"zellij"}) },
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})
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}
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if !s.ConfigOK {
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actions = append(actions, module.Action{
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Description: "download zellij config",
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Kind: module.ActionFileWrite,
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Exec: func(ctx context.Context) error {
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if err := os.MkdirAll(filepath.Dir(s.ConfigPath), 0o755); err != nil {
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return err
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}
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return platform.Download(ctx, m.cfg.ConfigURL, s.ConfigPath, 0o644)
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},
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})
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}
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return module.Plan{Actions: actions}, nil
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}
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func (m Module) Apply(ctx context.Context, p module.Plan, r module.Reporter) error {
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for i, a := range p.Actions {
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r.Progress(m.Meta().ID, i+1, len(p.Actions), a.Description)
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if err := a.Exec(ctx); err != nil {
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return err
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}
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}
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return nil
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}
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func (m Module) Verify(ctx context.Context) error {
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st, err := m.Detect(ctx)
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if err != nil {
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return err
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}
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s := st.(state)
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if !s.Installed {
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return fmt.Errorf("zellij not installed")
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}
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if !s.ConfigOK {
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return fmt.Errorf("zellij config missing")
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}
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return nil
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}
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