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Address review comments

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This commit is contained in:
Vladimir Kryachko 2023-10-18 10:37:06 -04:00
parent a2f0ba6a6d
commit 311e2ad024
2 changed files with 77 additions and 1 deletions
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2
src/libexpr/flake/flake.cc
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@ -428,7 +428,7 @@ LockedFlake lockFlake(
ancestors? */
auto i = overrides.find(inputPath);
bool hasOverride = i != overrides.end();
bool hasCliOverride = explicitCliOverrides.find(inputPath) != explicitCliOverrides.end();
bool hasCliOverride = explicitCliOverrides.contains(inputPath);
if (hasOverride) {
overridesUsed.insert(inputPath);
// Respect the “flakeness” of the input even if we

76
tests/functional/flakes/follow-paths.sh
View file

@ -260,3 +260,79 @@ EOF
checkRes=$(nix flake lock "$flakeFollowCycle" 2>&1 && fail "nix flake lock should have failed." || true)
echo $checkRes | grep -F "error: follow cycle detected: [baz -> foo -> bar -> baz]"
# Test transitive input url locking
# This tests the following lockfile issue: https://github.com/NixOS/nix/issues/9143
#
# We construct the following graph, where p->q means p has input q.
#
# A -> B -> C
#
# And override B/C to flake D, first in A's flake.nix and then with --override-input.
#
# A -> B -> D
flakeFollowsCustomUrlA="$TEST_ROOT/follows/custom-url/flakeA"
flakeFollowsCustomUrlB="$TEST_ROOT/follows/custom-url/flakeA/flakeB"
flakeFollowsCustomUrlC="$TEST_ROOT/follows/custom-url/flakeA/flakeB/flakeC"
flakeFollowsCustomUrlD="$TEST_ROOT/follows/custom-url/flakeA/flakeB/flakeD"
createGitRepo "$flakeFollowsCustomUrlA"
mkdir -p "$flakeFollowsCustomUrlB"
mkdir -p "$flakeFollowsCustomUrlC"
mkdir -p "$flakeFollowsCustomUrlD"
cat > "$flakeFollowsCustomUrlD/flake.nix" <<EOF
{
description = "Flake D";
inputs = {};
outputs = { ... }: {};
}
EOF
cat > "$flakeFollowsCustomUrlC/flake.nix" <<EOF
{
description = "Flake C";
inputs = {};
outputs = { ... }: {};
}
EOF
cat > "$flakeFollowsCustomUrlB/flake.nix" <<EOF
{
description = "Flake B";
inputs = {
C = {
url = "path:./flakeC";
};
};
outputs = { ... }: {};
}
EOF
cat > "$flakeFollowsCustomUrlA/flake.nix" <<EOF
{
description = "Flake A";
inputs = {
B = {
url = "path:./flakeB";
inputs.C.url = "path:./flakeB/flakeD";
};
};
outputs = { ... }: {};
}
EOF
git -C "$flakeFollowsCustomUrlA" add flake.nix flakeB/flake.nix \
flakeB/flakeC/flake.nix flakeB/flakeD/flake.nix
# lock "original" entry should contain overridden url
json=$(nix flake metadata "$flakeFollowsCustomUrlA" --json)
[[ $(echo "$json" | jq -r .locks.nodes.C.original.path) = './flakeB/flakeD' ]]
rm "$flakeFollowsCustomUrlA"/flake.lock
# if override-input is specified, lock "original" entry should contain original url
json=$(nix flake metadata "$flakeFollowsCustomUrlA" --override-input B/C "path:./flakeB/flakeD" --json)
echo "$json" | jq .locks.nodes.C.original
[[ $(echo "$json" | jq -r .locks.nodes.C.original.path) = './flakeC' ]]