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package completion
import (
_ "embed"
"errors"
"fmt"
"github.com/ewy1/pik/paths"
"github.com/ewy1/pik/spool"
"os"
"path/filepath"
"strings"
)
//go:embed completion.sh
var completionCode string
var completionFormat = `
# %s
%s
`
var completionComment = "\n# pik completion (installed by `pik --install-completion`)\n"
var completionCodeByShell = map[string]string{
"bash": ". <(pik --completion)\n\n",
"zsh": `autoload -Uz compinit && compinit && source <(pik --completion)\n\n`,
}
var completionFileByShell = map[string]string{
"bash": ".bashrc",
"zsh": ".zshrc",
}
var AlreadyInstalledError = errors.New("completion already installed")
func Add(shell string) error {
f := filepath.Join(paths.HomeDir.String(), completionFileByShell[shell])
content, err := os.ReadFile(f)
if err != nil {
return err
}
if strings.Contains(string(content), strings.TrimSpace(completionCodeByShell[shell])) {
return AlreadyInstalledError
}
fd, err := os.OpenFile(f, os.O_APPEND|os.O_WRONLY, 0600)
defer fd.Close()
if err != nil {
return err
}
_, err = fd.Write([]byte(fmt.Sprintf(completionFormat, completionComment, completionCodeByShell[shell])))
if err != nil {
return err
}
successMessage(shell, f)
return nil
}
func successMessage(shell string, file string) {
_, _ = spool.Print("Installed completion for %s in %s\n", shell, file)
}
func Echo() error {
_, err := spool.Print(completionCode)
return err
}
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