Files

85 lines
1.9 KiB
Go

package cmd
import (
"context"
"errors"
"fmt"
"os"
"github.com/mathismqn/godeez/internal/buildinfo"
"github.com/mathismqn/godeez/internal/update"
"github.com/spf13/cobra"
)
type updateOptions struct {
checkOnly bool
force bool
}
func newUpdateCmd() *cobra.Command {
opts := &updateOptions{}
cmd := &cobra.Command{
Use: "update",
Short: "Update GoDeez to the latest version",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
err := runUpdate(cmd.Context(), opts)
if errors.Is(err, context.Canceled) {
return nil
}
return err
},
}
cmd.Flags().BoolVar(&opts.checkOnly, "check", false, "only report whether an update is available")
cmd.Flags().BoolVar(&opts.force, "force", false, "reinstall even if already up to date")
return cmd
}
// runUpdate reports the current and latest versions and installs the update.
//
// Whether the binary can be replaced at all is checked before the network
// call, so a package-managed install is told so straight away instead of
// after a pointless round trip.
//
// The force check comes before the check-only one so that `--check --force`
// still just reports rather than installing.
func runUpdate(ctx context.Context, opts *updateOptions) error {
if err := update.CheckUpdatable(); err != nil {
return err
}
u := update.New()
u.Out = os.Stdout
current := buildinfo.Version()
release, err := u.Latest(ctx)
if err != nil {
return fmt.Errorf("failed to check for updates: %w", err)
}
latest := release.Version()
fmt.Printf("Current: %s\nLatest: %s\n", current, latest)
if !update.IsNewer(current, latest) && !opts.force {
fmt.Println("Already up to date.")
return nil
}
if opts.checkOnly {
fmt.Printf("Run `godeez update` to install %s.\n", latest)
return nil
}
if err := u.Apply(ctx, release); err != nil {
return err
}
fmt.Printf("Updated to %s.\n", latest)
return nil
}