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|
package cmdutil
import (
"fmt"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
func MinimumArgs(n int, msg string) cobra.PositionalArgs {
if msg == "" {
return cobra.MinimumNArgs(1)
}
return func(cmd *cobra.Command, args []string) error {
if len(args) < n {
return FlagErrorf("%s", msg)
}
return nil
}
}
func ExactArgs(n int, msg string) cobra.PositionalArgs {
return func(cmd *cobra.Command, args []string) error {
if len(args) > n {
return FlagErrorf("too many arguments")
}
if len(args) < n {
return FlagErrorf("%s", msg)
}
return nil
}
}
func NoArgsQuoteReminder(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return nil
}
errMsg := fmt.Sprintf("unknown argument %q", args[0])
if len(args) > 1 {
errMsg = fmt.Sprintf("unknown arguments %q", args)
}
hasValueFlag := false
cmd.Flags().Visit(func(f *pflag.Flag) {
if f.Value.Type() != "bool" {
hasValueFlag = true
}
})
if hasValueFlag {
errMsg += "; please quote all values that have spaces"
}
return FlagErrorf("%s", errMsg)
}
|
