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Add setters for default help strings

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Andrew Meyer 2018-11-06 09:05:10 -06:00
parent fe5e611709
commit e2570c90ff
2 changed files with 13 additions and 1 deletions
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4
README.md
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@ -524,13 +524,15 @@ around it. In fact, you can provide your own if you want.
### Defining your own help
You can provide your own Help command or your own template for the default command to use
You can provide your own Help command or your own template or help strings for the default command to use
with following functions:
```go
cmd.SetHelpCommand(cmd *Command)
cmd.SetHelpFunc(f func(*Command, []string))
cmd.SetHelpTemplate(s string)
cmd.SetShortHelpString(s string)
cmd.SetLongHelpString(s string)
```
The latter two will also apply to any children commands.

10
command.go
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@ -240,6 +240,16 @@ func (c *Command) SetHelpTemplate(s string) {
c.helpTemplate = s
}
// SetShortHelpString sets short help string to be used. Application can use it to set custom short help string.
func (c *Command) SetShortHelpString(s string) {
c.helpCommand.Short = s
}
// SetLongHelpString sets long help string to be used. Application can use it to set custom long help string.
func (c *Command) SetLongHelpString(s string) {
c.helpCommand.Long = s
}
// SetVersionTemplate sets version template to be used. Application can use it to set custom template.
func (c *Command) SetVersionTemplate(s string) {
c.versionTemplate = s