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Use BuildableReq for buildPaths and ensurePath

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This avoids an ambiguity where the `StorePathWithOutputs { drvPath, {}
}` could mean "build `brvPath`" or "substitute `drvPath`" depending on
context.

It also brings the internals closer in line to the new CLI, by
generalizing the `Buildable` type is used there and makes that
distinction already.

In doing so, relegate `StorePathWithOutputs` to being a type just for
backwards compatibility (CLI and RPC).
This commit is contained in:
John Ericson 2021-03-02 03:50:41 +00:00
parent 32f4454b9f
commit 255d145ba7
31 changed files with 364 additions and 126 deletions
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30
src/nix-env/nix-env.cc
View file

@ -6,6 +6,7 @@
#include "globals.hh"
#include "names.hh"
#include "profiles.hh"
#include "path-with-outputs.hh"
#include "shared.hh"
#include "store-api.hh"
#include "local-fs-store.hh"
@ -418,13 +419,13 @@ static void queryInstSources(EvalState & state,
static void printMissing(EvalState & state, DrvInfos & elems)
{
std::vector<StorePathWithOutputs> targets;
std::vector<BuildableReq> targets;
for (auto & i : elems) {
Path drvPath = i.queryDrvPath();
if (drvPath != "")
targets.push_back({state.store->parseStorePath(drvPath)});
targets.push_back(BuildableReqFromDrv{state.store->parseStorePath(drvPath)});
else
targets.push_back({state.store->parseStorePath(i.queryOutPath())});
targets.push_back(BuildableOpaque{state.store->parseStorePath(i.queryOutPath())});
}
printMissing(state.store, targets);
@ -693,17 +694,18 @@ static void opSet(Globals & globals, Strings opFlags, Strings opArgs)
if (globals.forceName != "")
drv.setName(globals.forceName);
if (drv.queryDrvPath() != "") {
std::vector<StorePathWithOutputs> paths{{globals.state->store->parseStorePath(drv.queryDrvPath())}};
printMissing(globals.state->store, paths);
if (globals.dryRun) return;
globals.state->store->buildPaths(paths, globals.state->repair ? bmRepair : bmNormal);
} else {
printMissing(globals.state->store,
{{globals.state->store->parseStorePath(drv.queryOutPath())}});
if (globals.dryRun) return;
globals.state->store->ensurePath(globals.state->store->parseStorePath(drv.queryOutPath()));
}
std::vector<BuildableReq> paths {
(drv.queryDrvPath() != "")
? (BuildableReq) (BuildableReqFromDrv {
globals.state->store->parseStorePath(drv.queryDrvPath())
})
: (BuildableReq) (BuildableOpaque {
globals.state->store->parseStorePath(drv.queryOutPath())
}),
};
printMissing(globals.state->store, paths);
if (globals.dryRun) return;
globals.state->store->buildPaths(paths, globals.state->repair ? bmRepair : bmNormal);
debug(format("switching to new user environment"));
Path generation = createGeneration(

9
src/nix-env/user-env.cc
View file

@ -2,6 +2,7 @@
#include "util.hh"
#include "derivations.hh"
#include "store-api.hh"
#include "path-with-outputs.hh"
#include "local-fs-store.hh"
#include "globals.hh"
#include "shared.hh"
@ -41,7 +42,9 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
drvsToBuild.push_back({state.store->parseStorePath(i.queryDrvPath())});
debug(format("building user environment dependencies"));
state.store->buildPaths(drvsToBuild, state.repair ? bmRepair : bmNormal);
state.store->buildPaths(
toBuildableReqs(drvsToBuild),
state.repair ? bmRepair : bmNormal);
/* Construct the whole top level derivation. */
StorePathSet references;
@ -136,7 +139,9 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
debug("building user environment");
std::vector<StorePathWithOutputs> topLevelDrvs;
topLevelDrvs.push_back({topLevelDrv});
state.store->buildPaths(topLevelDrvs, state.repair ? bmRepair : bmNormal);
state.store->buildPaths(
toBuildableReqs(topLevelDrvs),
state.repair ? bmRepair : bmNormal);
/* Switch the current user environment to the output path. */
auto store2 = state.store.dynamic_pointer_cast<LocalFSStore>();