mirror of https://github.com/k3s-io/k3s
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.4 KiB
104 lines
2.4 KiB
package completion
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/k3s-io/k3s/pkg/version"
|
|
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
func Run(ctx *cli.Context) error {
|
|
if ctx.NArg() < 1 {
|
|
return fmt.Errorf("must provide a valid SHELL argument")
|
|
}
|
|
shell := ctx.Args()[0]
|
|
completetionScript, err := genCompletionScript(shell)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if ctx.Bool("i") {
|
|
return writeToRC(shell)
|
|
}
|
|
fmt.Println(completetionScript)
|
|
return nil
|
|
}
|
|
|
|
func genCompletionScript(shell string) (string, error) {
|
|
var completionScript string
|
|
if shell == "bash" {
|
|
completionScript = fmt.Sprintf(`#! /bin/bash
|
|
_cli_bash_autocomplete() {
|
|
if [[ "${COMP_WORDS[0]}" != "source" ]]; then
|
|
local cur opts base
|
|
COMPREPLY=()
|
|
cur="${COMP_WORDS[COMP_CWORD]}"
|
|
if [[ "$cur" == "-"* ]]; then
|
|
opts=$( ${COMP_WORDS[@]:0:$COMP_CWORD} ${cur} --generate-bash-completion )
|
|
else
|
|
opts=$( ${COMP_WORDS[@]:0:$COMP_CWORD} --generate-bash-completion )
|
|
fi
|
|
COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
|
|
return 0
|
|
fi
|
|
}
|
|
|
|
complete -o bashdefault -o default -o nospace -F _cli_bash_autocomplete %s
|
|
`, version.Program)
|
|
} else if shell == "zsh" {
|
|
completionScript = fmt.Sprintf(`#compdef %[1]s
|
|
_cli_zsh_autocomplete() {
|
|
|
|
local -a opts
|
|
local cur
|
|
cur=${words[-1]}
|
|
if [[ "$cur" == "-"* ]]; then
|
|
opts=("${(@f)$(_CLI_ZSH_AUTOCOMPLETE_HACK=1 ${words[@]:0:#words[@]-1} ${cur} --generate-bash-completion)}")
|
|
else
|
|
opts=("${(@f)$(_CLI_ZSH_AUTOCOMPLETE_HACK=1 ${words[@]:0:#words[@]-1} --generate-bash-completion)}")
|
|
fi
|
|
|
|
if [[ "${opts[1]}" != "" ]]; then
|
|
_describe 'values' opts
|
|
else
|
|
_files
|
|
fi
|
|
|
|
return
|
|
}
|
|
|
|
compdef _cli_zsh_autocomplete %[1]s`, version.Program)
|
|
} else {
|
|
return "", fmt.Errorf("unknown shell: %s", shell)
|
|
}
|
|
|
|
return completionScript, nil
|
|
}
|
|
|
|
func writeToRC(shell string) error {
|
|
rcFileName := ""
|
|
if shell == "bash" {
|
|
rcFileName = "/.bashrc"
|
|
} else if shell == "zsh" {
|
|
rcFileName = "/.zshrc"
|
|
}
|
|
|
|
home, err := os.UserHomeDir()
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
rcFileName = home + rcFileName
|
|
f, err := os.OpenFile(rcFileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
bashEntry := fmt.Sprintf("# >> %[1]s command completion (start)\n. <(%[1]s completion %s)\n# >> %[1]s command completion (end)", version.Program, shell)
|
|
if _, err := f.WriteString(bashEntry); err != nil {
|
|
return err
|
|
}
|
|
fmt.Printf("Autocomplete for %s added to: %s\n", shell, rcFileName)
|
|
return nil
|
|
}
|