mirror of
https://github.com/privatevoid-net/nix-super.git
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9dbfe242e3
seconds without producing output on stdout or stderr (NIX-65). This timeout can be specified using the `--max-silent-time' option or the `build-max-silent-time' configuration setting. The default is infinity (0). * Fix a tricky race condition: if we kill the build user before the child has done its setuid() to the build user uid, then it won't be killed, and we'll potentially lock up in pid.wait(). So also send a conventional kill to the child.
119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
#include "globals.hh"
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#include "util.hh"
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#include <map>
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#include <algorithm>
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namespace nix {
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string nixStore = "/UNINIT";
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string nixDataDir = "/UNINIT";
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string nixLogDir = "/UNINIT";
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string nixStateDir = "/UNINIT";
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string nixDBPath = "/UNINIT";
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string nixConfDir = "/UNINIT";
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string nixLibexecDir = "/UNINIT";
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string nixBinDir = "/UNINIT";
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bool keepFailed = false;
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bool keepGoing = false;
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bool tryFallback = false;
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Verbosity buildVerbosity = lvlInfo;
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unsigned int maxBuildJobs = 1;
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bool readOnlyMode = false;
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string thisSystem = "unset";
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unsigned int maxSilentTime = 0;
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static bool settingsRead = false;
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static std::map<string, Strings> settings;
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string & at(Strings & ss, unsigned int n)
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{
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Strings::iterator i = ss.begin();
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advance(i, n);
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return *i;
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}
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static void readSettings()
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{
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Path settingsFile = (format("%1%/%2%") % nixConfDir % "nix.conf").str();
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if (!pathExists(settingsFile)) return;
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string contents = readFile(settingsFile);
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unsigned int pos = 0;
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while (pos < contents.size()) {
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string line;
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while (pos < contents.size() && contents[pos] != '\n')
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line += contents[pos++];
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pos++;
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string::size_type hash = line.find('#');
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if (hash != string::npos)
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line = string(line, 0, hash);
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Strings tokens = tokenizeString(line);
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if (tokens.empty()) continue;
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if (tokens.size() < 2 || at(tokens, 1) != "=")
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throw Error(format("illegal configuration line `%1%' in `%2%'") % line % settingsFile);
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string name = at(tokens, 0);
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Strings::iterator i = tokens.begin();
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advance(i, 2);
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settings[name] = Strings(i, tokens.end());
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};
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settingsRead = true;
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}
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Strings querySetting(const string & name, const Strings & def)
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{
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if (!settingsRead) readSettings();
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std::map<string, Strings>::iterator i = settings.find(name);
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return i == settings.end() ? def : i->second;
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}
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string querySetting(const string & name, const string & def)
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{
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Strings defs;
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defs.push_back(def);
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Strings value = querySetting(name, defs);
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if (value.size() != 1)
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throw Error(format("configuration option `%1%' should not be a list") % name);
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return value.front();
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}
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bool queryBoolSetting(const string & name, bool def)
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{
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string v = querySetting(name, def ? "true" : "false");
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if (v == "true") return true;
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else if (v == "false") return false;
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else throw Error(format("configuration option `%1%' should be either `true' or `false', not `%2%'")
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% name % v);
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}
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unsigned int queryIntSetting(const string & name, unsigned int def)
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{
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int n;
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if (!string2Int(querySetting(name, int2String(def)), n) || n < 0)
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throw Error(format("configuration setting `%1%' should have an integer value") % name);
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return n;
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}
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}
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