167 lines
4.7 KiB
C++
167 lines
4.7 KiB
C++
#include "globals.hh"
|
|
#include "shared.hh"
|
|
#include "eval.hh"
|
|
#include "eval-inline.hh"
|
|
#include "get-drvs.hh"
|
|
#include "attr-path.hh"
|
|
#include "value-to-xml.hh"
|
|
#include "util.hh"
|
|
#include "store-api.hh"
|
|
#include "common-opts.hh"
|
|
#include "help.txt.hh"
|
|
|
|
#include <map>
|
|
#include <iostream>
|
|
|
|
|
|
using namespace nix;
|
|
|
|
|
|
void printHelp()
|
|
{
|
|
std::cout << string((char *) helpText);
|
|
}
|
|
|
|
|
|
static Expr * parseStdin(EvalState & state)
|
|
{
|
|
startNest(nest, lvlTalkative, format("parsing standard input"));
|
|
return state.parseExprFromString(drainFD(0), absPath("."));
|
|
}
|
|
|
|
|
|
static Path gcRoot;
|
|
static int rootNr = 0;
|
|
static bool indirectRoot = false;
|
|
|
|
|
|
void processExpr(EvalState & state, const Strings & attrPaths,
|
|
bool parseOnly, bool strict, Bindings & autoArgs,
|
|
bool evalOnly, bool xmlOutput, bool location, Expr * e)
|
|
{
|
|
if (parseOnly)
|
|
std::cout << format("%1%\n") % *e;
|
|
else
|
|
foreach (Strings::const_iterator, i, attrPaths) {
|
|
Value v;
|
|
findAlongAttrPath(state, *i, autoArgs, e, v);
|
|
state.forceValue(v);
|
|
|
|
PathSet context;
|
|
if (evalOnly)
|
|
if (xmlOutput)
|
|
printValueAsXML(state, strict, location, v, std::cout, context);
|
|
else {
|
|
if (strict) state.strictForceValue(v);
|
|
std::cout << v << std::endl;
|
|
}
|
|
else {
|
|
DrvInfos drvs;
|
|
getDerivations(state, v, "", autoArgs, drvs);
|
|
foreach (DrvInfos::iterator, i, drvs) {
|
|
Path drvPath = i->queryDrvPath(state);
|
|
if (gcRoot == "")
|
|
printGCWarning();
|
|
else {
|
|
Path rootName = gcRoot;
|
|
if (++rootNr > 1) rootName += "-" + int2String(rootNr);
|
|
drvPath = addPermRoot(*store, drvPath, rootName, indirectRoot);
|
|
}
|
|
std::cout << format("%1%\n") % drvPath;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void run(Strings args)
|
|
{
|
|
EvalState state;
|
|
Strings files;
|
|
bool readStdin = false;
|
|
bool findFile = false;
|
|
bool evalOnly = false;
|
|
bool parseOnly = false;
|
|
bool xmlOutput = false;
|
|
bool xmlOutputSourceLocation = true;
|
|
bool strict = false;
|
|
Strings attrPaths;
|
|
Bindings autoArgs;
|
|
|
|
for (Strings::iterator i = args.begin(); i != args.end(); ) {
|
|
string arg = *i++;
|
|
|
|
if (arg == "-")
|
|
readStdin = true;
|
|
else if (arg == "--eval-only") {
|
|
settings.readOnlyMode = true;
|
|
evalOnly = true;
|
|
}
|
|
else if (arg == "--parse-only") {
|
|
settings.readOnlyMode = true;
|
|
parseOnly = evalOnly = true;
|
|
}
|
|
else if (arg == "--find-file")
|
|
findFile = true;
|
|
else if (arg == "--attr" || arg == "-A") {
|
|
if (i == args.end())
|
|
throw UsageError("`--attr' requires an argument");
|
|
attrPaths.push_back(*i++);
|
|
}
|
|
else if (parseOptionArg(arg, i, args.end(), state, autoArgs))
|
|
;
|
|
else if (parseSearchPathArg(arg, i, args.end(), state))
|
|
;
|
|
else if (arg == "--add-root") {
|
|
if (i == args.end())
|
|
throw UsageError("`--add-root' requires an argument");
|
|
gcRoot = absPath(*i++);
|
|
}
|
|
else if (arg == "--indirect")
|
|
indirectRoot = true;
|
|
else if (arg == "--xml")
|
|
xmlOutput = true;
|
|
else if (arg == "--no-location")
|
|
xmlOutputSourceLocation = false;
|
|
else if (arg == "--strict")
|
|
strict = true;
|
|
else if (arg == "--repair")
|
|
state.repair = true;
|
|
else if (arg[0] == '-')
|
|
throw UsageError(format("unknown flag `%1%'") % arg);
|
|
else
|
|
files.push_back(arg);
|
|
}
|
|
|
|
if (attrPaths.empty()) attrPaths.push_back("");
|
|
|
|
if (findFile) {
|
|
foreach (Strings::iterator, i, files) {
|
|
Path p = state.findFile(*i);
|
|
if (p == "") throw Error(format("unable to find `%1%'") % *i);
|
|
std::cout << p << std::endl;
|
|
}
|
|
return;
|
|
}
|
|
|
|
store = openStore();
|
|
|
|
if (readStdin) {
|
|
Expr * e = parseStdin(state);
|
|
processExpr(state, attrPaths, parseOnly, strict, autoArgs,
|
|
evalOnly, xmlOutput, xmlOutputSourceLocation, e);
|
|
} else if (files.empty())
|
|
files.push_back("./default.nix");
|
|
|
|
foreach (Strings::iterator, i, files) {
|
|
Expr * e = state.parseExprFromFile(lookupFileArg(state, *i));
|
|
processExpr(state, attrPaths, parseOnly, strict, autoArgs,
|
|
evalOnly, xmlOutput, xmlOutputSourceLocation, e);
|
|
}
|
|
|
|
state.printStats();
|
|
}
|
|
|
|
|
|
string programId = "nix-instantiate";
|