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Pass configuration settings to the substituters

Previously substituters could read nix.conf themselves, but this
didn't take --option flags into account.
This commit is contained in:
Eelco Dolstra 2012-07-30 16:09:54 -04:00
parent f9613da180
commit d059bf48e4
5 changed files with 37 additions and 6 deletions

View file

@ -36,10 +36,12 @@ bool printBuildTrace = false;
static bool settingsRead = false;
static std::map<string, Strings> settings;
typedef std::map<string, Strings> Settings;
static Settings settings;
/* Overriden settings. */
std::map<string, Strings> settingsCmdline;
Settings settingsCmdline;
string & at(Strings & ss, unsigned int n)
@ -82,7 +84,7 @@ static void readSettings()
};
settings.insert(settingsCmdline.begin(), settingsCmdline.end());
settingsRead = true;
}
@ -90,7 +92,7 @@ static void readSettings()
Strings querySetting(const string & name, const Strings & def)
{
if (!settingsRead) readSettings();
std::map<string, Strings>::iterator i = settings.find(name);
Settings::iterator i = settings.find(name);
return i == settings.end() ? def : i->second;
}
@ -169,5 +171,16 @@ void setDefaultsFromEnvironment()
buildTimeout = queryIntSetting("build-timeout", 0);
}
string packSettings()
{
string s;
if (!settingsRead) readSettings();
foreach (Settings::iterator, i, settings) {
s += i->first; s += '='; s += concatStringsSep(" ", i->second); s += '\n';
}
return s;
}
}