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j/cli/uninstall.go

28 lines
602 B
Go

package cli
import (
"fmt"
"os"
"path/filepath"
"github.com/urfave/cli/v2"
)
func uninstall(ctx *cli.Context) (err error) {
vname := ctx.Args().First()
if vname == "" {
return cli.ShowSubcommandHelp(ctx)
}
targetV := filepath.Join(versionsDir, vname)
if finfo, err := os.Stat(targetV); err != nil || !finfo.IsDir() {
return cli.Exit(fmt.Sprintf("[j] %q version is not installed", vname), 1)
}
if err = os.RemoveAll(targetV); err != nil {
return cli.Exit(wrapstring(fmt.Sprintf("Uninstall failed: %s", err.Error())), 1)
}
fmt.Printf("Uninstalled java %s\n", vname)
return nil
}