diff options
Diffstat (limited to 'src/nix-store/nix-store.cc')
| -rw-r--r-- | src/nix-store/nix-store.cc | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc index 5da401c77fd2..4fee7258cb94 100644 --- a/src/nix-store/nix-store.cc +++ b/src/nix-store/nix-store.cc @@ -467,10 +467,11 @@ static void opReadLog(Strings opFlags, Strings opArgs) foreach (Strings::iterator, i, opArgs) { Path path = useDeriver(followLinksToStorePath(*i)); - for (int j = 0; j <= 2; j++) { - if (j == 2) throw Error(format("build log of derivation `%1%' is not available") % path); + string baseName = baseNameOf(path); + bool found = false; + + for (int j = 0; j < 2; j++) { - string baseName = baseNameOf(path); Path logPath = j == 0 ? (format("%1%/%2%/%3%/%4%") % settings.nixLogDir % drvsLogDir % string(baseName, 0, 2) % string(baseName, 2)).str() @@ -481,6 +482,7 @@ static void opReadLog(Strings opFlags, Strings opArgs) /* !!! Make this run in O(1) memory. */ string log = readFile(logPath); writeFull(STDOUT_FILENO, (const unsigned char *) log.data(), log.size()); + found = true; break; } @@ -500,9 +502,30 @@ static void opReadLog(Strings opFlags, Strings opArgs) writeFull(STDOUT_FILENO, buf, n); } while (err != BZ_STREAM_END); BZ2_bzReadClose(&err, bz); + found = true; break; } } + + if (!found) { + for (auto & i : settings.logServers) { + string prefix = i; + if (!prefix.empty() && prefix.back() != '/') prefix += '/'; + string url = prefix + baseName; + try { + string log = runProgram(CURL, true, {"--fail", "--location", "--silent", "--", url}); + std::cout << "(using build log from " << url << ")" << std::endl; + std::cout << log; + found = true; + break; + } catch (ExecError & e) { + /* Ignore errors from curl. FIXME: actually, might be + nice to print a warning on HTTP status != 404. */ + } + } + } + + if (!found) throw Error(format("build log of derivation `%1%' is not available") % path); } } |