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