diff options
Diffstat (limited to 'src/libutil/util.cc')
| -rw-r--r-- | src/libutil/util.cc | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc index 21d1c8dcd..aa0a154fd 100644 --- a/src/libutil/util.cc +++ b/src/libutil/util.cc @@ -266,6 +266,17 @@ bool pathExists(const Path & path) return false; } +bool pathAccessible(const Path & path) +{ + try { + return pathExists(path); + } catch (SysError & e) { + // swallow EPERM + if (e.errNo == EPERM) return false; + throw; + } +} + Path readLink(const Path & path) { @@ -1141,9 +1152,9 @@ std::vector<char *> stringsToCharPtrs(const Strings & ss) } std::string runProgram(Path program, bool searchPath, const Strings & args, - const std::optional<std::string> & input) + const std::optional<std::string> & input, bool isInteractive) { - auto res = runProgram(RunOptions {.program = program, .searchPath = searchPath, .args = args, .input = input}); + auto res = runProgram(RunOptions {.program = program, .searchPath = searchPath, .args = args, .input = input, .isInteractive = isInteractive}); if (!statusOk(res.first)) throw ExecError(res.first, "program '%1%' %2%", program, statusToString(res.first)); @@ -1193,6 +1204,16 @@ void runProgram2(const RunOptions & options) // case), so we can't use it if we alter the environment processOptions.allowVfork = !options.environment; + std::optional<Finally<std::function<void()>>> resumeLoggerDefer; + if (options.isInteractive) { + logger->pause(); + resumeLoggerDefer.emplace( + []() { + logger->resume(); + } + ); + } + /* Fork. */ Pid pid = startProcess([&]() { if (options.environment) |