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* Global configuration option `env-keep-derivations' to store pointer

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to derivations in user environments.  Nice for developers (since it
  prevents build-time-only dependencies from being GC'ed, in
  conjunction with `gc-keep-outputs').  Turned off by default.
This commit is contained in:
Eelco Dolstra 2005-02-14 13:07:09 +00:00
parent b0aba6ec2a
commit 6a8ef36fe6
5 changed files with 72 additions and 35 deletions
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12
src/libstore/globals.cc
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@ -52,7 +52,7 @@ static void readSettings()
string name, sep, value;
is >> name >> sep >> value;
if (sep != "=" || !is)
throw Error(format("illegal configuration line `%1%'") % line);
throw Error(format("illegal configuration line `%1%' in `%2%'") % line % settingsFile);
settings[name] = value;
};
@ -67,3 +67,13 @@ string querySetting(const string & name, const string & def)
map<string, string>::iterator i = settings.find(name);
return i == settings.end() ? def : i->second;
}
bool queryBoolSetting(const string & name, bool def)
{
string value = querySetting(name, def ? "true" : "false");
if (value == "true") return true;
else if (value == "false") return false;
else throw Error(format("configuration option `%1%' should be either `true' or `false', not `%2%'")
% name % value);
}