func (p *JSONProgress) String() string {
var (
width = 200
pbBox string
numbersBox string
timeLeftBox string
)
ws, err := term.GetWinsize(p.terminalFd)
if err == nil {
width = int(ws.Width)
}
if p.Current <= 0 && p.Total <= 0 {
return ""
}
current := units.HumanSize(float64(p.Current))
if p.Total <= 0 {
return fmt.Sprintf("%8v", current)
}
total := units.HumanSize(float64(p.Total))
percentage := int(float64(p.Current)/float64(p.Total)*100) / 2
if percentage > 50 {
percentage = 50
}
if width > 110 {
// this number can't be negetive gh#7136
numSpaces := 0
if 50-percentage > 0 {
numSpaces = 50 - percentage
}
pbBox = fmt.Sprintf("[%s>%s] ", strings.Repeat("=", percentage), strings.Repeat(" ", numSpaces))
}
numbersBox = fmt.Sprintf("%8v/%v", current, total)
if p.Current > 0 && p.Start > 0 && percentage < 50 {
fromStart := time.Now().UTC().Sub(time.Unix(int64(p.Start), 0))
perEntry := fromStart / time.Duration(p.Current)
left := time.Duration(p.Total-p.Current) * perEntry
left = (left / time.Second) * time.Second
if width > 50 {
timeLeftBox = " " + left.String()
}
}
return pbBox + numbersBox + timeLeftBox
}
func runRun(cmd *Command, args []string) {
if len(args) == 0 {
cmd.PrintUsage()
os.Exit(2)
}
appname := mustApp()
w, err := term.GetWinsize(inFd)
if err != nil {
// If syscall.TIOCGWINSZ is not supported by the device, we're
// probably trying to run tests. Set w to some sensible default.
if err.Error() == "operation not supported by device" {
w = &term.Winsize{
Height: 20,
Width: 80,
}
} else {
printFatal(err.Error())
}
}
attached := !detachedRun
opts := heroku.DynoCreateOpts{Attach: &attached}
if attached {
env := map[string]string{
"COLUMNS": strconv.Itoa(int(w.Width)),
"LINES": strconv.Itoa(int(w.Height)),
"TERM": os.Getenv("TERM"),
}
opts.Env = &env
}
if dynoSize != "" {
if !strings.HasSuffix(dynoSize, "X") {
cmd.PrintUsage()
os.Exit(2)
}
opts.Size = &dynoSize
}
command := strings.Join(args, " ")
if detachedRun {
dyno, err := client.DynoCreate(appname, command, &opts)
must(err)
log.Printf("Ran `%s` on %s as %s, detached.", dyno.Command, appname, dyno.Name)
return
}
params := struct {
Command string `json:"command"`
Attach *bool `json:"attach,omitempty"`
Env *map[string]string `json:"env,omitempty"`
Size *string `json:"size,omitempty"`
}{
Command: command,
Attach: opts.Attach,
Env: opts.Env,
Size: opts.Size,
}
req, err := client.NewRequest("POST", "/apps/"+appname+"/dynos", params)
must(err)
u, err := url.Parse(apiURL)
must(err)
protocol := u.Scheme
address := u.Path
if protocol != "unix" {
protocol = "tcp"
address = u.Host + ":80"
}
if u.Scheme == "https" {
address = u.Host + ":443"
}
var dial net.Conn
if u.Scheme == "https" {
dial, err = tlsDial(protocol, address, &tls.Config{})
if err != nil {
printFatal(err.Error())
}
} else {
dial, err = net.Dial(protocol, address)
if err != nil {
printFatal(err.Error())
}
}
clientconn := httputil.NewClientConn(dial, nil)
defer clientconn.Close()
_, err = clientconn.Do(req)
if err != nil && err != httputil.ErrPersistEOF {
printFatal(err.Error())
}
rwc, br := clientconn.Hijack()
defer rwc.Close()
if isTerminalIn && isTerminalOut {
state, err := term.SetRawTerminal(inFd)
if err != nil {
printFatal(err.Error())
}
defer term.RestoreTerminal(inFd, state)
}
errChanOut := make(chan error, 1)
errChanIn := make(chan error, 1)
exit := make(chan bool)
go func() {
defer close(exit)
defer close(errChanOut)
var err error
_, err = io.Copy(os.Stdout, br)
errChanOut <- err
}()
go func() {
_, err := io.Copy(rwc, os.Stdin)
errChanIn <- err
rwc.(interface {
CloseWrite() error
}).CloseWrite()
}()
<-exit
select {
case err = <-errChanIn:
must(err)
case err = <-errChanOut:
must(err)
}
}