Hi, Please use reply-to-all. Eelco Dolstra skribis: > On 17/06/14 17:50, Ludovic Courtès wrote: > >> The patch below changes the store so that it flushes what it reads from >> the substituter’s stderr when it encounters either a newline or a >> carriage return. >> >> The intent is to allow substituters to provide some kind of progress >> report, where the status is updated by means of a ‘\r’. > > What kind of progress report do you mean, and why wouldn't '\n' work for that? Progress reports: 0%\r 1%\r 2%\r >> As a side effect, this patch removes the “substituter-name: ” prefix on >> the lines that are printed. It can be reinstated if deemed appropriate. > > Please do, without it there is no indication where the error came from. Here it is. Thanks, Ludo’.