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Merge branch 'balsoft/fix-subinputs-not-getting-updated' of https://github.com/tweag/nix

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This commit is contained in:
Eelco Dolstra 2021-11-15 18:37:13 +01:00
commit d1d223838b
2 changed files with 39 additions and 3 deletions
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14
src/libexpr/flake/flake.cc
View file

@ -462,6 +462,8 @@ LockedFlake lockFlake(
those. */
FlakeInputs fakeInputs;
bool refetch = false;
for (auto & i : oldLock->inputs) {
if (auto lockedNode = std::get_if<0>(&i.second)) {
fakeInputs.emplace(i.first, FlakeInput {
@ -469,12 +471,24 @@ LockedFlake lockFlake(
.isFlake = (*lockedNode)->isFlake,
});
} else if (auto follows = std::get_if<1>(&i.second)) {
auto o = input.overrides.find(i.first);
// If the override disappeared, we have to refetch the flake,
// since some of the inputs may not be present in the lockfile.
if (o == input.overrides.end()) {
refetch = true;
// There's no point populating the rest of the fake inputs,
// since we'll refetch the flake anyways.
break;
}
fakeInputs.emplace(i.first, FlakeInput {
.follows = *follows,
});
}
}
if (refetch)
fakeInputs = getFlake(state, oldLock->lockedRef, false, flakeCache).inputs;
computeLocks(fakeInputs, childNode, inputPath, oldLock, parent, parentPath);
}

28
tests/flakes.sh
View file

@ -707,10 +707,10 @@ cat > $flakeFollowsA/flake.nix <<EOF
B = {
url = "path:./flakeB";
inputs.foobar.follows = "D";
inputs.nonFlake.follows = "D";
};
D.url = "path:./flakeD";
foobar.url = "path:./flakeE";
};
outputs = { ... }: {};
}
@ -720,7 +720,8 @@ cat > $flakeFollowsB/flake.nix <<EOF
{
description = "Flake B";
inputs = {
foobar.url = "path:./../flakeE";
foobar.url = "path:$flakeFollowsA/flakeE";
nonFlake.url = "path:$nonFlakeDir";
C = {
url = "path:./flakeC";
inputs.foobar.follows = "foobar";
@ -734,7 +735,7 @@ cat > $flakeFollowsC/flake.nix <<EOF
{
description = "Flake C";
inputs = {
foobar.url = "path:./../../flakeE";
foobar.url = "path:$flakeFollowsA/flakeE";
};
outputs = { ... }: {};
}
@ -765,6 +766,27 @@ nix flake lock $flakeFollowsA
[[ $(jq -c .nodes.B.inputs.foobar $flakeFollowsA/flake.lock) = '["D"]' ]]
[[ $(jq -c .nodes.C.inputs.foobar $flakeFollowsA/flake.lock) = '["B","foobar"]' ]]
# Ensure removing follows from flake.nix removes them from the lockfile
cat > $flakeFollowsA/flake.nix <<EOF
{
description = "Flake A";
inputs = {
B = {
url = "path:./flakeB";
inputs.nonFlake.follows = "D";
};
D.url = "path:./flakeD";
};
outputs = { ... }: {};
}
EOF
nix flake lock $flakeFollowsA
[[ $(jq -c .nodes.B.inputs.foobar $flakeFollowsA/flake.lock) = '"foobar"' ]]
jq -r -c '.nodes | keys | .[]' $flakeFollowsA/flake.lock | grep "^foobar$"
# Ensure a relative path is not allowed to go outside the store path
cat > $flakeFollowsA/flake.nix <<EOF
{