lmcli/pkg/tui/util.go

43 lines
1.1 KiB
Go

package tui
import (
"os"
"os/exec"
"strings"
tea "github.com/charmbracelet/bubbletea"
)
type msgTempfileEditorClosed string
// openTempfileEditor opens an $EDITOR on a new temporary file with the given
// content. Upon closing, the contents of the file are read back returned
// wrapped in a msgTempfileEditorClosed returned by the tea.Cmd
func openTempfileEditor(pattern string, content string, placeholder string) tea.Cmd {
msgFile, _ := os.CreateTemp("/tmp", pattern)
err := os.WriteFile(msgFile.Name(), []byte(placeholder+content), os.ModeAppend)
if err != nil {
return wrapError(err)
}
editor := os.Getenv("EDITOR")
if editor == "" {
editor = "vim"
}
c := exec.Command(editor, msgFile.Name())
return tea.ExecProcess(c, func(err error) tea.Msg {
bytes, err := os.ReadFile(msgFile.Name())
if err != nil {
return msgError(err)
}
fileContents := string(bytes)
if strings.HasPrefix(fileContents, placeholder) {
fileContents = fileContents[len(placeholder):]
}
stripped := strings.Trim(fileContents, "\n \t")
return msgTempfileEditorClosed(stripped)
})
}