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Fix flake subdirectory handling

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This commit is contained in:
Eelco Dolstra 2020-03-10 19:21:47 +01:00
parent 73769b28e3
commit cfc38257cf
3 changed files with 14 additions and 8 deletions
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10
corepkgs/call-flake.nix
View file

@ -1,14 +1,14 @@
locks: rootSrc:
locks: rootSrc: rootSubdir:
let
callFlake = sourceInfo: locks:
callFlake = sourceInfo: subdir: locks:
let
flake = import (sourceInfo + "/flake.nix");
flake = import (sourceInfo + "/" + subdir + "/flake.nix");
inputs = builtins.mapAttrs (n: v:
if v.flake or true
then callFlake (fetchTree v.locked) v.inputs
then callFlake (fetchTree (removeAttrs v.locked ["dir"])) (v.locked.dir or "") v.inputs
else fetchTree v.locked) locks;
outputs = flake.outputs (inputs // { self = result; });
@ -19,4 +19,4 @@ let
result;
in callFlake rootSrc (builtins.fromJSON locks).inputs
in callFlake rootSrc rootSubdir (builtins.fromJSON locks).inputs

11
src/libexpr/flake/flake.cc
View file

@ -626,15 +626,20 @@ void callFlake(EvalState & state,
auto vCallFlake = state.allocValue();
auto vLocks = state.allocValue();
auto vRootSrc = state.allocValue();
auto vTmp = state.allocValue();
auto vRootSubdir = state.allocValue();
auto vTmp1 = state.allocValue();
auto vTmp2 = state.allocValue();
mkString(*vLocks, lockedInputs.to_string());
emitTreeAttrs(state, *flake.sourceInfo, flake.lockedRef.input, *vRootSrc);
mkString(*vRootSubdir, flake.lockedRef.subdir);
state.evalFile(canonPath(settings.nixDataDir + "/nix/corepkgs/call-flake.nix", true), *vCallFlake);
state.callFunction(*vCallFlake, *vLocks, *vTmp, noPos);
state.callFunction(*vTmp, *vRootSrc, vRes, noPos);
state.callFunction(*vCallFlake, *vLocks, *vTmp1, noPos);
state.callFunction(*vTmp1, *vRootSrc, *vTmp2, noPos);
state.callFunction(*vTmp2, *vRootSubdir, vRes, noPos);
}
void callFlake(EvalState & state,

1
src/libexpr/primops/fetchTree.cc
View file

@ -76,6 +76,7 @@ static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, V
if (evalSettings.pureEval && !input->isImmutable())
throw Error("in pure evaluation mode, 'fetchTree' requires an immutable input");
// FIXME: use fetchOrSubstituteTree
auto [tree, input2] = input->fetchTree(state.store);
if (state.allowedPaths)