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Add docs, tests, and bit of rearrainging...

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This commit is contained in:
Eric Paris
2015-04-30 13:58:29 -04:00
parent fbce60cc56
commit fad5931693
3 changed files with 127 additions and 11 deletions
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26
command.go
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@ -56,18 +56,22 @@ type Command struct {
pflags *flag.FlagSet
// Flags that are declared specifically by this command (not inherited).
lflags *flag.FlagSet
// Run runs the command.
// The args are the arguments after the command name.
Run func(cmd *Command, args []string)
// PreRun runs the command after the flags are parsed and before run.
// The args are the arguments after the command name.
PreRun func(cmd *Command, args []string)
// 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.
// The *Run functions are executed in the following order:
// * PersistentPreRun()
// * PreRun()
// * Run()
// * PostRun()
// * PersistentPostRun()
// All functions get the same args, the arguments after the command name
// PersistentPreRun: children of this command will inherit and execute
PersistentPreRun func(cmd *Command, args []string)
// PostRun which children of this command will inherit.
// PreRun: children of this command will not inherit.
PreRun func(cmd *Command, args []string)
// Run: Typically the actual work function. Most commands will only implement this
Run func(cmd *Command, args []string)
// PostRun: run after the Run command.
PostRun func(cmd *Command, args []string)
// PersistentPostRun: children of this command will inherit and execute after PostRun
PersistentPostRun func(cmd *Command, args []string)
// Commands is the list of commands supported by this program.
commands []*Command