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kill: requires max 2 arguments

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2017-02-02 17:32:52 +01:00
parent 1c9c074d79
commit 1d6447797e
2 changed files with 8 additions and 0 deletions
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5
utils.go
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@@ -13,6 +13,7 @@ import (
const (
exactArgs = iota
minArgs
maxArgs
)
func checkArgs(context *cli.Context, expected, checkType int) error {
@@ -27,6 +28,10 @@ func checkArgs(context *cli.Context, expected, checkType int) error {
if context.NArg() < expected {
err = fmt.Errorf("%s: %q requires a minimum of %d argument(s)", os.Args[0], cmdName, expected)
}
case maxArgs:
if context.NArg() > expected {
err = fmt.Errorf("%s: %q requires a maximum of %d argument(s)", os.Args[0], cmdName, expected)
}
}
if err != nil {