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Add checkAllAndLatest() function

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The check about the --all and --latest option is used and repeated and
some commands. Factor it out and put it into common.

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber
2018-10-16 11:50:10 +00:00
committed by Adrian Reber
parent 95c93577cd
commit 9d9493e41a
1 changed files with 15 additions and 0 deletions
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15
cmd/podman/common.go
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@ -89,6 +89,21 @@ func validateFlags(c *cli.Context, flags []cli.Flag) error {
return nil
}
// checkAllAndLatest checks that --all and --latest are used correctly
func checkAllAndLatest(c *cli.Context) error {
argLen := len(c.Args())
if (c.Bool("all") || c.Bool("latest")) && argLen > 0 {
return errors.Errorf("no arguments are needed with --all or --latest")
}
if c.Bool("all") && c.Bool("latest") {
return errors.Errorf("--all and --latest cannot be used together")
}
if argLen < 1 && !c.Bool("all") && !c.Bool("latest") {
return errors.Errorf("you must provide at least one pod name or id")
}
return nil
}
// getContext returns a non-nil, empty context
func getContext() context.Context {
return context.TODO()