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