mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-09-21 17:08:04 +03:00
e9c50064b5
Allowing stuff like NIX_REMOTE=https://cache.nixos.org nix-store -qR /nix/store/x1p1gl3a4kkz5ci0nfbayjqlqmczp1kq-geeqie-1.1 or NIX_REMOTE=https://cache.nixos.org nix-store --export /nix/store/x1p1gl3a4kkz5ci0nfbayjqlqmczp1kq-geeqie-1.1 | nix-store --import
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
#include "common-opts.hh"
|
||
#include "shared.hh"
|
||
#include "download.hh"
|
||
#include "util.hh"
|
||
|
||
|
||
namespace nix {
|
||
|
||
|
||
bool parseAutoArgs(Strings::iterator & i,
|
||
const Strings::iterator & argsEnd, std::map<string, string> & res)
|
||
{
|
||
string arg = *i;
|
||
if (arg != "--arg" && arg != "--argstr") return false;
|
||
|
||
UsageError error(format("‘%1%’ requires two arguments") % arg);
|
||
|
||
if (++i == argsEnd) throw error;
|
||
string name = *i;
|
||
if (++i == argsEnd) throw error;
|
||
string value = *i;
|
||
|
||
res[name] = (arg == "--arg" ? 'E' : 'S') + value;
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
Bindings * evalAutoArgs(EvalState & state, std::map<string, string> & in)
|
||
{
|
||
Bindings * res = state.allocBindings(in.size());
|
||
for (auto & i : in) {
|
||
Value * v = state.allocValue();
|
||
if (i.second[0] == 'E')
|
||
state.mkThunk_(*v, state.parseExprFromString(string(i.second, 1), absPath(".")));
|
||
else
|
||
mkString(*v, string(i.second, 1));
|
||
res->push_back(Attr(state.symbols.create(i.first), v));
|
||
}
|
||
res->sort();
|
||
return res;
|
||
}
|
||
|
||
|
||
bool parseSearchPathArg(Strings::iterator & i,
|
||
const Strings::iterator & argsEnd, Strings & searchPath)
|
||
{
|
||
if (*i != "-I") return false;
|
||
if (++i == argsEnd) throw UsageError("‘-I’ requires an argument");
|
||
searchPath.push_back(*i);
|
||
return true;
|
||
}
|
||
|
||
|
||
Path lookupFileArg(EvalState & state, string s)
|
||
{
|
||
if (isUri(s))
|
||
return makeDownloader()->downloadCached(state.store, s, true);
|
||
else if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') {
|
||
Path p = s.substr(1, s.size() - 2);
|
||
return state.findFile(p);
|
||
} else
|
||
return absPath(s);
|
||
}
|
||
|
||
|
||
}
|