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Merge #11829: Test datadir specified in conf file exists

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529b866 Test datadir in conf file exists (MeshCollider)

Pull request description:

  Provoked by Nick ODell's discovery here: https://bitcoin.stackexchange.com/questions/64189/when-running-bitcoind-i-keep-getting-boostfilesystemspace-operation-not-p/64210#64210

  If a custom data directory is specified using `-datadir` argument, its existence is checked before the conf file is loaded. But if the conf file then specifies a different non-existent `datadir`, that isn't tested, and results in esoteric errors like:

      EXCEPTION: N5boost10filesystem16filesystem_errorE
      boost::filesystem::space: Operation not permitted

  This just adds a check for the datadir existence at the end of `ReadConfigFile()`

Tree-SHA512: e488618c40aa356263f94040ae00aa4be98038abef66e8674b01032d22a5553a7fafcb8fe2d1f095865b39fb138c07b7a94415a00ef837573f92f95af065f712
This commit is contained in:
Wladimir J. van der Laan 2017-12-07 13:56:49 +01:00
commit 7630a1fe9a
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src/util.cpp
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@ -639,6 +639,9 @@ void ArgsManager::ReadConfigFile(const std::string& confPath)
} }
// If datadir is changed in .conf file: // If datadir is changed in .conf file:
ClearDatadirCache(); ClearDatadirCache();
if (!fs::is_directory(GetDataDir(false))) {
throw std::runtime_error(strprintf("specified data directory \"%s\" does not exist.", gArgs.GetArg("-datadir", "").c_str()));
}
} }
#ifndef WIN32 #ifndef WIN32