diff options
Diffstat (limited to 'nix/libstore')
| -rw-r--r-- | nix/libstore/build.cc | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index 50d300253d..6cfe7aba7e 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -3114,17 +3114,24 @@ void SubstitutionGoal::handleChildOutput(int fd, const string & data) } if (fd == substituter->fromAgent.readSide) { - /* Trim whitespace to the right. */ - size_t end = data.find_last_not_of(" \t\n"); - string trimmed = (end != string::npos) ? data.substr(0, end + 1) : data; - - if (expectedHashStr == "") { - expectedHashStr = trimmed; - } else if (status == "") { - status = trimmed; - worker.wakeUp(shared_from_this()); - } else { - printMsg(lvlError, format("unexpected substituter message '%1%'") % data); + /* DATA may consist of several lines. Process them one by one. */ + string input = data; + while (!input.empty()) { + /* Process up to the first newline. */ + size_t end = input.find_first_of("\n"); + string trimmed = (end != string::npos) ? input.substr(0, end) : input; + + /* Update the goal's state accordingly. */ + if (expectedHashStr == "") { + expectedHashStr = trimmed; + } else if (status == "") { + status = trimmed; + worker.wakeUp(shared_from_this()); + } else { + printMsg(lvlError, format("unexpected substituter message '%1%'") % input); + } + + input = (end != string::npos) ? input.substr(end + 1) : ""; } } } |