145 lines
3 KiB
Go
145 lines
3 KiB
Go
package msg
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import (
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"errors"
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"fmt"
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"io"
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"os/exec"
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"time"
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"git.sr.ht/~sircmpwn/aerc/commands"
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"git.sr.ht/~sircmpwn/aerc/widgets"
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"git.sr.ht/~sircmpwn/aerc/worker/types"
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"git.sr.ht/~sircmpwn/getopt"
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)
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type Pipe struct{}
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func init() {
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register(Pipe{})
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}
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func (Pipe) Aliases() []string {
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return []string{"pipe"}
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}
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func (Pipe) Complete(aerc *widgets.Aerc, args []string) []string {
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return nil
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}
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func (Pipe) Execute(aerc *widgets.Aerc, args []string) error {
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var (
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background bool
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pipeFull bool
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pipePart bool
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)
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// TODO: let user specify part by index or preferred mimetype
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opts, optind, err := getopt.Getopts(args, "bmp")
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if err != nil {
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return err
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}
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for _, opt := range opts {
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switch opt.Option {
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case 'b':
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background = true
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case 'm':
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if pipePart {
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return errors.New("-m and -p are mutually exclusive")
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}
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pipeFull = true
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case 'p':
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if pipeFull {
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return errors.New("-m and -p are mutually exclusive")
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}
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pipePart = true
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}
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}
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cmd := args[optind:]
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if len(cmd) == 0 {
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return errors.New("Usage: pipe [-mp] <cmd> [args...]")
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}
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provider := aerc.SelectedTab().(widgets.ProvidesMessage)
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if !pipeFull && !pipePart {
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if _, ok := provider.(*widgets.MessageViewer); ok {
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pipePart = true
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} else if _, ok := provider.(*widgets.AccountView); ok {
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pipeFull = true
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} else {
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return errors.New(
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"Neither -m nor -p specified and cannot infer default")
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}
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}
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doTerm := func(reader io.Reader, name string) {
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term, err := commands.QuickTerm(aerc, cmd, reader)
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if err != nil {
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aerc.PushError(err.Error())
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return
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}
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aerc.NewTab(term, name)
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}
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doExec := func(reader io.Reader) {
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ecmd := exec.Command(cmd[0], cmd[1:]...)
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pipe, err := ecmd.StdinPipe()
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if err != nil {
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return
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}
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go func() {
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defer pipe.Close()
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io.Copy(pipe, reader)
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}()
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err = ecmd.Run()
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if err != nil {
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aerc.PushError(err.Error())
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} else {
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if ecmd.ProcessState.ExitCode() != 0 {
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aerc.PushError(fmt.Sprintf(
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"%s: completed with status %d", cmd[0],
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ecmd.ProcessState.ExitCode()))
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} else {
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aerc.PushStatus(fmt.Sprintf(
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"%s: completed with status %d", cmd[0],
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ecmd.ProcessState.ExitCode()), 10*time.Second)
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}
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}
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}
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if pipeFull {
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store := provider.Store()
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if store == nil {
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return errors.New("Cannot perform action. Messages still loading")
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}
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msg, err := provider.SelectedMessage()
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if err != nil {
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return err
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}
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store.FetchFull([]uint32{msg.Uid}, func(fm *types.FullMessage) {
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if background {
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doExec(fm.Content.Reader)
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} else {
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doTerm(fm.Content.Reader, fmt.Sprintf(
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"%s <%s", cmd[0], msg.Envelope.Subject))
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}
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})
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} else if pipePart {
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p := provider.SelectedMessagePart()
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if p == nil {
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return fmt.Errorf("could not fetch message part")
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}
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store := provider.Store()
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store.FetchBodyPart(p.Msg.Uid, p.Index, func(reader io.Reader) {
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if background {
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doExec(reader)
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} else {
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name := fmt.Sprintf("%s <%s/[%d]",
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cmd[0], p.Msg.Envelope.Subject, p.Index)
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doTerm(reader, name)
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}
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})
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}
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return nil
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}
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