forked from lix-project/lix
Restructure installables handling in the "nix" command
This commit is contained in:
Eelco Dolstra
parent
1bb87c0487
commit
bcecc99007
|
|
@ -220,6 +220,14 @@ static inline void mkApp(Value & v, Value & left, Value & right)
|
|||
}
|
||||
|
||||
|
||||
static inline void mkPrimOpApp(Value & v, Value & left, Value & right)
|
||||
{
|
||||
v.type = tPrimOpApp;
|
||||
v.app.left = &left;
|
||||
v.app.right = &right;
|
||||
}
|
||||
|
||||
|
||||
static inline void mkStringNoCopy(Value & v, const char * s)
|
||||
{
|
||||
v.type = tString;
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@
|
|||
|
||||
using namespace nix;
|
||||
|
||||
struct CmdBuild : StoreCommand, MixDryRun, MixInstallables
|
||||
struct CmdBuild : MixDryRun, MixInstallables
|
||||
{
|
||||
CmdBuild()
|
||||
{
|
||||
|
|
@ -24,22 +24,9 @@ struct CmdBuild : StoreCommand, MixDryRun, MixInstallables
|
|||
|
||||
void run(ref<Store> store) override
|
||||
{
|
||||
auto elems = evalInstallables(store);
|
||||
auto paths = buildInstallables(store, dryRun);
|
||||
|
||||
PathSet pathsToBuild;
|
||||
|
||||
for (auto & elem : elems) {
|
||||
if (elem.isDrv)
|
||||
pathsToBuild.insert(elem.drvPath);
|
||||
else
|
||||
pathsToBuild.insert(elem.outPaths.begin(), elem.outPaths.end());
|
||||
}
|
||||
|
||||
printMissing(store, pathsToBuild);
|
||||
|
||||
if (dryRun) return;
|
||||
|
||||
store->buildPaths(pathsToBuild);
|
||||
printInfo("build result: %s", showPaths(paths));
|
||||
}
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -79,6 +79,13 @@ StoreCommand::StoreCommand()
|
|||
mkFlag(0, "store", "store-uri", "URI of the Nix store to use", &storeUri);
|
||||
}
|
||||
|
||||
ref<Store> StoreCommand::getStore()
|
||||
{
|
||||
if (!_store)
|
||||
_store = createStore();
|
||||
return ref<Store>(_store);
|
||||
}
|
||||
|
||||
ref<Store> StoreCommand::createStore()
|
||||
{
|
||||
return openStore(storeUri);
|
||||
|
|
|
|||
|
|
@ -33,8 +33,12 @@ struct StoreCommand : virtual Command
|
|||
std::string storeUri;
|
||||
StoreCommand();
|
||||
void run() override;
|
||||
ref<Store> getStore();
|
||||
virtual ref<Store> createStore();
|
||||
virtual void run(ref<Store>) = 0;
|
||||
|
||||
private:
|
||||
std::shared_ptr<Store> _store;
|
||||
};
|
||||
|
||||
/* A command that operates on zero or more store paths. */
|
||||
|
|
|
|||
|
|
@ -6,16 +6,21 @@
|
|||
#include "get-drvs.hh"
|
||||
#include "installables.hh"
|
||||
#include "store-api.hh"
|
||||
#include "shared.hh"
|
||||
|
||||
#include <regex>
|
||||
|
||||
namespace nix {
|
||||
|
||||
Value * MixInstallables::buildSourceExpr(EvalState & state)
|
||||
Value * MixInstallables::getSourceExpr(EvalState & state)
|
||||
{
|
||||
Value * vRoot = state.allocValue();
|
||||
if (vSourceExpr) return vSourceExpr;
|
||||
|
||||
vSourceExpr = state.allocValue();
|
||||
|
||||
if (file != "") {
|
||||
Expr * e = state.parseExprFromFile(resolveExprPath(lookupFileArg(state, file)));
|
||||
state.eval(e, *vRoot);
|
||||
state.eval(e, *vSourceExpr);
|
||||
}
|
||||
|
||||
else {
|
||||
|
|
@ -24,7 +29,7 @@ Value * MixInstallables::buildSourceExpr(EvalState & state)
|
|||
|
||||
auto searchPath = state.getSearchPath();
|
||||
|
||||
state.mkAttrs(*vRoot, searchPath.size());
|
||||
state.mkAttrs(*vSourceExpr, searchPath.size());
|
||||
|
||||
std::unordered_set<std::string> seen;
|
||||
|
||||
|
|
@ -32,76 +37,208 @@ Value * MixInstallables::buildSourceExpr(EvalState & state)
|
|||
if (i.first == "") continue;
|
||||
if (seen.count(i.first)) continue;
|
||||
seen.insert(i.first);
|
||||
if (!pathExists(i.second)) continue;
|
||||
mkApp(*state.allocAttr(*vRoot, state.symbols.create(i.first)),
|
||||
#if 0
|
||||
auto res = state.resolveSearchPathElem(i);
|
||||
if (!res.first) continue;
|
||||
if (!pathExists(res.second)) continue;
|
||||
mkApp(*state.allocAttr(*vSourceExpr, state.symbols.create(i.first)),
|
||||
state.getBuiltin("import"),
|
||||
mkString(*state.allocValue(), i.second));
|
||||
mkString(*state.allocValue(), res.second));
|
||||
#endif
|
||||
Value * v1 = state.allocValue();
|
||||
mkPrimOpApp(*v1, state.getBuiltin("findFile"), state.getBuiltin("nixPath"));
|
||||
Value * v2 = state.allocValue();
|
||||
mkApp(*v2, *v1, mkString(*state.allocValue(), i.first));
|
||||
mkApp(*state.allocAttr(*vSourceExpr, state.symbols.create(i.first)),
|
||||
state.getBuiltin("import"), *v2);
|
||||
}
|
||||
|
||||
vRoot->attrs->sort();
|
||||
vSourceExpr->attrs->sort();
|
||||
}
|
||||
|
||||
return vRoot;
|
||||
return vSourceExpr;
|
||||
}
|
||||
|
||||
UserEnvElems MixInstallables::evalInstallables(ref<Store> store)
|
||||
struct InstallableStoreDrv : Installable
|
||||
{
|
||||
UserEnvElems res;
|
||||
Path storePath;
|
||||
|
||||
InstallableStoreDrv(const Path & storePath) : storePath(storePath) { }
|
||||
|
||||
std::string what() override { return storePath; }
|
||||
|
||||
PathSet toBuildable() override
|
||||
{
|
||||
return {storePath};
|
||||
}
|
||||
};
|
||||
|
||||
struct InstallableStorePath : Installable
|
||||
{
|
||||
Path storePath;
|
||||
|
||||
InstallableStorePath(const Path & storePath) : storePath(storePath) { }
|
||||
|
||||
std::string what() override { return storePath; }
|
||||
|
||||
PathSet toBuildable() override
|
||||
{
|
||||
return {storePath};
|
||||
}
|
||||
};
|
||||
|
||||
struct InstallableExpr : Installable
|
||||
{
|
||||
MixInstallables & installables;
|
||||
std::string text;
|
||||
|
||||
InstallableExpr(MixInstallables & installables, const std::string & text)
|
||||
: installables(installables), text(text) { }
|
||||
|
||||
std::string what() override { return text; }
|
||||
|
||||
PathSet toBuildable() override
|
||||
{
|
||||
auto state = installables.getEvalState();
|
||||
|
||||
auto v = toValue(*state);
|
||||
|
||||
// FIXME
|
||||
std::map<string, string> autoArgs_;
|
||||
Bindings & autoArgs(*evalAutoArgs(*state, autoArgs_));
|
||||
|
||||
DrvInfos drvs;
|
||||
getDerivations(*state, *v, "", autoArgs, drvs, false);
|
||||
|
||||
PathSet res;
|
||||
|
||||
for (auto & i : drvs)
|
||||
res.insert(i.queryDrvPath());
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
Value * toValue(EvalState & state) override
|
||||
{
|
||||
auto v = state.allocValue();
|
||||
state.eval(state.parseExprFromString(text, absPath(".")), *v);
|
||||
return v;
|
||||
}
|
||||
};
|
||||
|
||||
struct InstallableAttrPath : Installable
|
||||
{
|
||||
MixInstallables & installables;
|
||||
std::string attrPath;
|
||||
|
||||
InstallableAttrPath(MixInstallables & installables, const std::string & attrPath)
|
||||
: installables(installables), attrPath(attrPath)
|
||||
{ }
|
||||
|
||||
std::string what() override { return attrPath; }
|
||||
|
||||
PathSet toBuildable() override
|
||||
{
|
||||
auto state = installables.getEvalState();
|
||||
|
||||
auto v = toValue(*state);
|
||||
|
||||
// FIXME
|
||||
std::map<string, string> autoArgs_;
|
||||
Bindings & autoArgs(*evalAutoArgs(*state, autoArgs_));
|
||||
|
||||
DrvInfos drvs;
|
||||
getDerivations(*state, *v, "", autoArgs, drvs, false);
|
||||
|
||||
PathSet res;
|
||||
|
||||
for (auto & i : drvs)
|
||||
res.insert(i.queryDrvPath());
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
Value * toValue(EvalState & state) override
|
||||
{
|
||||
auto source = installables.getSourceExpr(state);
|
||||
|
||||
// FIXME
|
||||
std::map<string, string> autoArgs_;
|
||||
Bindings & autoArgs(*evalAutoArgs(state, autoArgs_));
|
||||
|
||||
Value * v = findAlongAttrPath(state, attrPath, autoArgs, *source);
|
||||
state.forceValue(*v);
|
||||
|
||||
return v;
|
||||
}
|
||||
};
|
||||
|
||||
// FIXME: extend
|
||||
std::string attrRegex = R"([A-Za-z_][A-Za-z0-9-_+]*)";
|
||||
static std::regex attrPathRegex(fmt(R"(%1%(\.%1%)*)", attrRegex));
|
||||
|
||||
std::vector<std::shared_ptr<Installable>> MixInstallables::parseInstallables(ref<Store> store, Strings installables)
|
||||
{
|
||||
std::vector<std::shared_ptr<Installable>> result;
|
||||
|
||||
for (auto & installable : installables) {
|
||||
|
||||
if (std::string(installable, 0, 1) == "/") {
|
||||
|
||||
if (store->isStorePath(installable)) {
|
||||
|
||||
if (isDerivation(installable)) {
|
||||
UserEnvElem elem;
|
||||
// FIXME: handle empty case, drop version
|
||||
elem.attrPath = {storePathToName(installable)};
|
||||
elem.isDrv = true;
|
||||
elem.drvPath = installable;
|
||||
res.push_back(elem);
|
||||
if (isDerivation(installable))
|
||||
result.push_back(std::make_shared<InstallableStoreDrv>(installable));
|
||||
else
|
||||
result.push_back(std::make_shared<InstallableStorePath>(installable));
|
||||
}
|
||||
|
||||
else {
|
||||
UserEnvElem elem;
|
||||
// FIXME: handle empty case, drop version
|
||||
elem.attrPath = {storePathToName(installable)};
|
||||
elem.isDrv = false;
|
||||
elem.outPaths = {installable};
|
||||
res.push_back(elem);
|
||||
result.push_back(std::make_shared<InstallableStorePath>(
|
||||
store->toStorePath(store->followLinksToStore(installable))));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
else if (installable.compare(0, 1, "(") == 0)
|
||||
result.push_back(std::make_shared<InstallableExpr>(*this, installable));
|
||||
|
||||
else if (std::regex_match(installable, attrPathRegex))
|
||||
result.push_back(std::make_shared<InstallableAttrPath>(*this, installable));
|
||||
|
||||
else
|
||||
throw UsageError(format("don't know what to do with ‘%1%’") % installable);
|
||||
throw UsageError("don't know what to do with argument ‘%s’", installable);
|
||||
}
|
||||
|
||||
else {
|
||||
|
||||
EvalState state({}, store);
|
||||
|
||||
auto vRoot = buildSourceExpr(state);
|
||||
|
||||
std::map<string, string> autoArgs_;
|
||||
Bindings & autoArgs(*evalAutoArgs(state, autoArgs_));
|
||||
|
||||
Value & v(*findAlongAttrPath(state, installable, autoArgs, *vRoot));
|
||||
state.forceValue(v);
|
||||
|
||||
DrvInfos drvs;
|
||||
getDerivations(state, v, "", autoArgs, drvs, false);
|
||||
|
||||
for (auto & i : drvs) {
|
||||
UserEnvElem elem;
|
||||
elem.isDrv = true;
|
||||
elem.drvPath = i.queryDrvPath();
|
||||
res.push_back(elem);
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
return res;
|
||||
PathSet MixInstallables::buildInstallables(ref<Store> store, bool dryRun)
|
||||
{
|
||||
PathSet buildables;
|
||||
|
||||
for (auto & i : installables) {
|
||||
auto b = i->toBuildable();
|
||||
buildables.insert(b.begin(), b.end());
|
||||
}
|
||||
|
||||
printMissing(store, buildables);
|
||||
|
||||
if (!dryRun)
|
||||
store->buildPaths(buildables);
|
||||
|
||||
return buildables;
|
||||
}
|
||||
|
||||
ref<EvalState> MixInstallables::getEvalState()
|
||||
{
|
||||
if (!evalState)
|
||||
evalState = std::make_shared<EvalState>(Strings{}, getStore());
|
||||
return ref<EvalState>(evalState);
|
||||
}
|
||||
|
||||
void MixInstallables::prepare()
|
||||
{
|
||||
installables = parseInstallables(getStore(), _installables);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,48 +1,61 @@
|
|||
#pragma once
|
||||
|
||||
#include "args.hh"
|
||||
#include "command.hh"
|
||||
|
||||
namespace nix {
|
||||
|
||||
struct UserEnvElem
|
||||
{
|
||||
Strings attrPath;
|
||||
|
||||
// FIXME: should use boost::variant or so.
|
||||
bool isDrv;
|
||||
|
||||
// Derivation case:
|
||||
Path drvPath;
|
||||
StringSet outputNames;
|
||||
|
||||
// Non-derivation case:
|
||||
PathSet outPaths;
|
||||
};
|
||||
|
||||
typedef std::vector<UserEnvElem> UserEnvElems;
|
||||
|
||||
struct Value;
|
||||
class EvalState;
|
||||
class Expr;
|
||||
|
||||
struct MixInstallables : virtual Args
|
||||
struct Installable
|
||||
{
|
||||
Strings installables;
|
||||
virtual std::string what() = 0;
|
||||
|
||||
virtual PathSet toBuildable()
|
||||
{
|
||||
throw Error("argument ‘%s’ cannot be built", what());
|
||||
}
|
||||
|
||||
virtual Value * toValue(EvalState & state)
|
||||
{
|
||||
throw Error("argument ‘%s’ cannot be evaluated", what());
|
||||
}
|
||||
};
|
||||
|
||||
struct MixInstallables : virtual Args, StoreCommand
|
||||
{
|
||||
std::vector<std::shared_ptr<Installable>> installables;
|
||||
Path file;
|
||||
|
||||
MixInstallables()
|
||||
{
|
||||
mkFlag('f', "file", "file", "evaluate FILE rather than the default", &file);
|
||||
expectArgs("installables", &installables);
|
||||
expectArgs("installables", &_installables);
|
||||
}
|
||||
|
||||
UserEnvElems evalInstallables(ref<Store> store);
|
||||
|
||||
/* Return a value representing the Nix expression from which we
|
||||
are installing. This is either the file specified by ‘--file’,
|
||||
or an attribute set constructed from $NIX_PATH, e.g. ‘{ nixpkgs
|
||||
= import ...; bla = import ...; }’. */
|
||||
Value * buildSourceExpr(EvalState & state);
|
||||
Value * getSourceExpr(EvalState & state);
|
||||
|
||||
std::vector<std::shared_ptr<Installable>> parseInstallables(ref<Store> store, Strings installables);
|
||||
|
||||
PathSet buildInstallables(ref<Store> store, bool dryRun);
|
||||
|
||||
ref<EvalState> getEvalState();
|
||||
|
||||
void prepare() override;
|
||||
|
||||
private:
|
||||
|
||||
Strings _installables;
|
||||
|
||||
std::shared_ptr<EvalState> evalState;
|
||||
|
||||
Value * vSourceExpr = 0;
|
||||
};
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@
|
|||
|
||||
using namespace nix;
|
||||
|
||||
struct CmdLog : StoreCommand, MixInstallables
|
||||
struct CmdLog : MixInstallables
|
||||
{
|
||||
CmdLog()
|
||||
{
|
||||
|
|
@ -24,22 +24,12 @@ struct CmdLog : StoreCommand, MixInstallables
|
|||
|
||||
void run(ref<Store> store) override
|
||||
{
|
||||
auto elems = evalInstallables(store);
|
||||
|
||||
PathSet paths;
|
||||
|
||||
for (auto & elem : elems) {
|
||||
if (elem.isDrv)
|
||||
paths.insert(elem.drvPath);
|
||||
else
|
||||
paths.insert(elem.outPaths.begin(), elem.outPaths.end());
|
||||
}
|
||||
|
||||
auto subs = getDefaultSubstituters();
|
||||
|
||||
subs.push_front(store);
|
||||
|
||||
for (auto & path : paths) {
|
||||
for (auto & inst : installables) {
|
||||
for (auto & path : inst->toBuildable()) {
|
||||
bool found = false;
|
||||
for (auto & sub : subs) {
|
||||
auto log = sub->getBuildLog(path);
|
||||
|
|
@ -52,6 +42,7 @@ struct CmdLog : StoreCommand, MixInstallables
|
|||
throw Error("build log of path ‘%s’ is not available", path);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
static RegisterCommand r1(make_ref<CmdLog>());
|
||||
|
|
|
|||
|
|
@ -99,7 +99,6 @@ struct CmdPathInfo : StorePathsCommand, MixJSON
|
|||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@
|
|||
|
||||
using namespace nix;
|
||||
|
||||
struct CmdRun : StoreCommand, MixInstallables
|
||||
struct CmdRun : MixInstallables
|
||||
{
|
||||
CmdRun()
|
||||
{
|
||||
|
|
@ -31,20 +31,7 @@ struct CmdRun : StoreCommand, MixInstallables
|
|||
|
||||
void run(ref<Store> store) override
|
||||
{
|
||||
auto elems = evalInstallables(store);
|
||||
|
||||
PathSet pathsToBuild;
|
||||
|
||||
for (auto & elem : elems) {
|
||||
if (elem.isDrv)
|
||||
pathsToBuild.insert(elem.drvPath);
|
||||
else
|
||||
pathsToBuild.insert(elem.outPaths.begin(), elem.outPaths.end());
|
||||
}
|
||||
|
||||
printMissing(store, pathsToBuild);
|
||||
|
||||
store->buildPaths(pathsToBuild);
|
||||
auto paths = buildInstallables(store, false);
|
||||
|
||||
auto store2 = store.dynamic_pointer_cast<LocalStore>();
|
||||
|
||||
|
|
@ -104,7 +91,7 @@ struct CmdRun : StoreCommand, MixInstallables
|
|||
}
|
||||
|
||||
PathSet outPaths;
|
||||
for (auto & path : pathsToBuild)
|
||||
for (auto & path : paths)
|
||||
if (isDerivation(path)) {
|
||||
Derivation drv = store->derivationFromPath(path);
|
||||
for (auto & output : drv.outputs)
|
||||
|
|
|
|||
Loading…
Reference in a new issue