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beam/examples/beamsh: support for background commands with '&' terminator 

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
This commit is contained in:
Solomon Hykes 2014-03-27 18:26:42 -07:00
parent 60a0531497
commit e34273628f
1 changed files with 12 additions and 2 deletions
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14
examples/beamsh/beamsh.go
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@ -136,9 +136,19 @@ func scriptString(script []*dockerscript.Command) string {
func executeScript(client *net.UnixConn, script []*dockerscript.Command) error {
Debugf("executeScript(%s)\n", scriptString(script))
defer Debugf("executeScript(%s) DONE\n", scriptString(script))
var background sync.WaitGroup
defer background.Wait()
for _, cmd := range script {
if err := executeCommand(client, cmd); err != nil {
return err
if cmd.Background {
background.Add(1)
go func(client *net.UnixConn, cmd *dockerscript.Command) {
executeCommand(client, cmd)
background.Done()
}(client, cmd)
} else {
if err := executeCommand(client, cmd); err != nil {
return err
}
}
}
return nil