glenux-archive/spf13--cobra
1
0
Fork 0
mirror of https://github.com/spf13/cobra synced 2024-09-28 19:06:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

added persistent pre/post commands.

Browse source
This commit is contained in:
Alexander Thaller 2015-02-17 22:09:49 +01:00
parent 50142bdfe4
commit caba65771b
1 changed files with 28 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
command.go
View file

@ -53,6 +53,10 @@ type Command struct {
// PostRun runs the command after run.
// The args are the arguments after the command name.
PostRun func(cmd *Command, args []string)
// PreRun which children of this command will inherit.
PersistentPreRun func(cmd *Command, args []string)
// PostRun which children of this command will inherit.
PersistentPostRun func(cmd *Command, args []string)
// Commands is the list of commands supported by this program.
commands []*Command
// Parent Command for this command
@ -387,6 +391,9 @@ func (c *Command) execute(a []string) (err error) {
c.preRun()
argWoFlags := c.Flags().Args()
if c.PersistentPreRun != nil {
c.PersistentPreRun(c, argWoFlags)
}
if c.PreRun != nil {
c.PreRun(c, argWoFlags)
}
@ -396,6 +403,9 @@ func (c *Command) execute(a []string) (err error) {
if c.PostRun != nil {
c.PostRun(c, argWoFlags)
}
if c.PersistentPostRun != nil {
c.PersistentPostRun(c, argWoFlags)
}
return nil
}
@ -482,19 +492,25 @@ func (c *Command) Execute() (err error) {
// print the usage
c.Usage()
} else {
// Only flags left... Call root.Run
c.preRun()
if c.PersistentPreRun != nil {
c.PersistentPreRun(c, argWoFlags)
}
if c.PreRun != nil {
c.PreRun(c, argWoFlags)
}
// Only flags left... Call root.Run
c.Run(c, argWoFlags)
err = nil
if c.PostRun != nil {
c.PostRun(c, argWoFlags)
}
if c.PersistentPostRun != nil {
c.PersistentPostRun(c, argWoFlags)
}
}
}
}
@ -519,7 +535,9 @@ func (c *Command) initHelp() {
Short: "Help about any command",
Long: `Help provides help for any command in the application.
Simply type ` + c.Name() + ` help [path to command] for full details.`,
Run: c.HelpFunc(),
Run: c.HelpFunc(),
PersistentPreRun: func(cmd *Command, args []string) {},
PersistentPostRun: func(cmd *Command, args []string) {},
}
}
c.AddCommand(c.helpCommand)
@ -555,6 +573,14 @@ func (c *Command) AddCommand(cmds ...*Command) {
c.commandsMaxCommandPathLen = commandPathLen
}
c.commands = append(c.commands, x)
// Pass on peristent pre/post functions to children
if x.PersistentPreRun == nil {
x.PersistentPreRun = c.PersistentPreRun
}
if x.PersistentPostRun == nil {
x.PersistentPostRun = c.PersistentPostRun
}
}
}