seaweedfs/weed/command/autocomplete.go
2021-08-02 11:49:40 -07:00

110 lines
2.5 KiB
Go

package command
import (
"fmt"
flag "github.com/chrislusf/seaweedfs/weed/util/fla9"
"github.com/posener/complete"
completeinstall "github.com/posener/complete/cmd/install"
"runtime"
)
func AutocompleteMain(commands []*Command) bool {
subCommands := make(map[string]complete.Command)
helpSubCommands := make(map[string]complete.Command)
for _, cmd := range commands {
flags := make(map[string]complete.Predictor)
cmd.Flag.VisitAll(func(flag *flag.Flag) {
flags["-"+flag.Name] = complete.PredictAnything
})
subCommands[cmd.Name()] = complete.Command{
Flags: flags,
}
helpSubCommands[cmd.Name()] = complete.Command{}
}
subCommands["help"] = complete.Command{Sub: helpSubCommands}
globalFlags := make(map[string]complete.Predictor)
flag.VisitAll(func(flag *flag.Flag) {
globalFlags["-"+flag.Name] = complete.PredictAnything
})
weedCmd := complete.Command{
Sub: subCommands,
Flags: globalFlags,
GlobalFlags: complete.Flags{"-h": complete.PredictNothing},
}
cmp := complete.New("weed", weedCmd)
return cmp.Complete()
}
func installAutoCompletion() bool {
if runtime.GOOS == "windows" {
fmt.Println("windows is not supported")
return false
}
err := completeinstall.Install("weed")
if err != nil {
fmt.Printf("install failed! %s\n", err)
return false
}
fmt.Printf("autocompletion is enabled. Please restart your shell.\n")
return true
}
func uninstallAutoCompletion() bool {
if runtime.GOOS == "windows" {
fmt.Println("windows is not supported")
return false
}
err := completeinstall.Uninstall("weed")
if err != nil {
fmt.Printf("uninstall failed! %s\n", err)
return false
}
fmt.Printf("autocompletion is disable. Please restart your shell.\n")
return true
}
var cmdAutocomplete = &Command{
Run: runAutocomplete,
UsageLine: "autocomplete",
Short: "install autocomplete",
Long: `weed autocomplete is installed in the shell.
Supported shells are bash, zsh, and fish.
Windows is not supported.
`,
}
func runAutocomplete(cmd *Command, args []string) bool {
if len(args) != 0 {
cmd.Usage()
}
return installAutoCompletion()
}
var cmdUnautocomplete = &Command{
Run: runUnautocomplete,
UsageLine: "autocomplete.uninstall",
Short: "uninstall autocomplete",
Long: `weed autocomplete is uninstalled in the shell.
Windows is not supported.
`,
}
func runUnautocomplete(cmd *Command, args []string) bool {
if len(args) != 0 {
cmd.Usage()
}
return uninstallAutoCompletion()
}