//ExecConcurently, for each `subrepository` in the working dir, execute the command `command` with arguments `args`.
// Each command is executed in non interactive mode (no access to stdin/stdout)
func ExecConcurrently(x *sbr.Workspace, command string, args ...string) <-chan Execution {
executions := make(chan Execution)
var waiter sync.WaitGroup // to wait for all commands to return
for _, sub := range x.ScanRel() {
waiter.Add(1)
go func(sub string) {
defer waiter.Done()
cmd := exec.Command(command, args...)
cmd.Dir = sub
out, err := cmd.CombinedOutput()
if err != nil {
return
}
rel := filepath.Join(x.Wd(), sub)
// keep
//head := fmt.Sprintf("\033[00;32m%s\033[00m$ %s %s\n", sub, command, strings.Join(args, " "))
//executions <- head + string(out)
result := string(out)
result = strings.Trim(result, git.DefaultTrimCut)
executions <- Execution{Name: sub, Rel: rel, Cmd: command, Args: args, Result: result}
}(sub)
}
go func() {
waiter.Wait()
close(executions)
}()
return executions
}
//ExecSequentially, for each `subrepository` in the working dir, execute the command `command` with arguments `args`.
// It passes the stdin, stdout, and stderr to the subprocess. and wait for the result, before moving to the next one.
func ExecSequentially(x *sbr.Workspace, command string, args ...string) {
var count int
for _, sub := range x.ScanRel() {
count++
rel, err := filepath.Rel(x.Wd(), sub)
if err != nil {
rel = sub // use absolute path
}
//log.Printf("%v, %v", sub, rel)
fmt.Printf("\033[00;32m%s\033[00m$ %s %s\n", rel, command, strings.Join(args, " "))
cmd := exec.Command(command, args...)
cmd.Dir = sub
cmd.Stderr, cmd.Stdout, cmd.Stdin = os.Stderr, os.Stdout, os.Stdin
if err := cmd.Run(); err != nil {
fmt.Printf("Error running '%s %s':\n %s\n", command, strings.Join(args, " "), err.Error())
}
}
fmt.Printf("Done (\033[00;32m%v\033[00m repositories)\n", count)
}