Files
unitdore/cmd/update.go

78 lines
1.7 KiB
Go

package cmd
import (
"errors"
"fmt"
"github.com/spf13/cobra"
"github.com/warkanum/unitdore/config"
"github.com/warkanum/unitdore/systemd"
)
var (
updateOrder int
updateEnable bool
updateDisable bool
)
var updateCmd = &cobra.Command{
Use: "update <name>",
Short: "Update a unit's config and recreate its service file",
Args: cobra.ExactArgs(1),
RunE: runUpdate,
}
func init() {
updateCmd.Flags().IntVar(&updateOrder, "order", 0, "set startup order")
updateCmd.Flags().BoolVar(&updateEnable, "enable", false, "enable the unit")
updateCmd.Flags().BoolVar(&updateDisable, "disable", false, "disable the unit")
rootCmd.AddCommand(updateCmd)
}
func runUpdate(cmd *cobra.Command, args []string) error {
if updateEnable && updateDisable {
return errors.New("--enable and --disable are mutually exclusive")
}
cfg, err := config.Load(configPath)
if err != nil {
return err
}
name := args[0]
u := cfg.FindUnit(name)
if u == nil {
return fmt.Errorf("unit %q not found", name)
}
if cmd.Flags().Changed("order") {
u.Order = updateOrder
fmt.Printf(" order → %d\n", u.Order)
}
if updateEnable {
u.Enabled = true
u.DisabledReason = ""
fmt.Printf(" enabled\n")
}
if updateDisable {
u.Enabled = false
fmt.Printf(" disabled\n")
}
if err := cfg.Save(configPath); err != nil {
return err
}
prefix, suffix, serviceUser := cfg.Prefix, cfg.Suffix, cfg.EffectiveServiceUser()
if systemd.IsInstalled(*u, prefix, suffix) {
if err := systemd.Install(*u, prefix, suffix, serviceUser); err != nil {
return fmt.Errorf("recreating service file: %w", err)
}
path, _ := systemd.UnitPath(*u, prefix, suffix)
fmt.Printf(" ✓ service file recreated: %s\n", path)
}
return nil
}