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Merge persistent flags before checking for a help flag.

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Signed-off-by: Daniel Nephin <dnephin@gmail.com>
This commit is contained in:
Daniel Nephin 2016-05-31 15:38:12 -07:00
parent bc81c21bd0
commit 7faa7fcdd2
2 changed files with 16 additions and 0 deletions
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1
command.go
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@ -684,6 +684,7 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
}
func (c *Command) initHelpFlag() {
c.mergePersistentFlags()
if c.Flags().Lookup("help") == nil {
c.Flags().BoolP("help", "h", false, "help for "+c.Name())
}

15
command_test.go
View file

@ -134,6 +134,21 @@ func Test_DisableFlagParsing(t *testing.T) {
}
}
func TestInitHelpFlagMergesFlags(t *testing.T) {
usage := "custom flag"
baseCmd := Command{Use: "testcmd"}
baseCmd.PersistentFlags().Bool("help", false, usage)
cmd := Command{Use: "do"}
baseCmd.AddCommand(&cmd)
cmd.initHelpFlag()
actual := cmd.Flags().Lookup("help").Usage
if actual != usage {
t.Fatalf("Expected the help flag from the base command with usage '%s', " +
"but got the default with usage '%s'", usage, actual)
}
}
func TestCommandsAreSorted(t *testing.T) {
EnableCommandSorting = true