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Add tests for deep overrides

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Taken from https://github.com/NixOS/nix/pull/6621.

Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
This commit is contained in:
Eelco Dolstra 2025-06-12 20:33:28 +02:00
parent 7c0ea143d8
commit 637c4f3ad7
1 changed files with 60 additions and 0 deletions
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60
tests/functional/flakes/follow-paths.sh
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@ -359,3 +359,63 @@ rm "$flakeFollowsCustomUrlA"/flake.lock
json=$(nix flake metadata "$flakeFollowsCustomUrlA" --override-input B/C "$flakeFollowsCustomUrlD" --json) json=$(nix flake metadata "$flakeFollowsCustomUrlA" --override-input B/C "$flakeFollowsCustomUrlD" --json)
echo "$json" | jq .locks.nodes.C.original echo "$json" | jq .locks.nodes.C.original
[[ $(echo "$json" | jq -r .locks.nodes.C.original.path) = './flakeC' ]] [[ $(echo "$json" | jq -r .locks.nodes.C.original.path) = './flakeC' ]]
# Test deep overrides, e.g. `inputs.B.inputs.C.inputs.D.follows = ...`.
cat <<EOF > $flakeFollowsD/flake.nix
{ outputs = _: {}; }
EOF
cat <<EOF > $flakeFollowsC/flake.nix
{
inputs.D.url = "path:nosuchflake";
outputs = _: {};
}
EOF
cat <<EOF > $flakeFollowsB/flake.nix
{
inputs.C.url = "path:$flakeFollowsC";
outputs = _: {};
}
EOF
cat <<EOF > $flakeFollowsA/flake.nix
{
inputs.B.url = "path:$flakeFollowsB";
inputs.D.url = "path:$flakeFollowsD";
inputs.B.inputs.C.inputs.D.follows = "D";
outputs = _: {};
}
EOF
nix flake lock $flakeFollowsA
[[ $(jq -c .nodes.C.inputs.D $flakeFollowsA/flake.lock) = '["D"]' ]]
# Test overlapping flake follows: B has D follow C/D, while A has B/C follow C
cat <<EOF > $flakeFollowsC/flake.nix
{
inputs.D.url = "path:$flakeFollowsD";
outputs = _: {};
}
EOF
cat <<EOF > $flakeFollowsB/flake.nix
{
inputs.C.url = "path:nosuchflake";
inputs.D.url = "path:nosuchflake";
inputs.D.follows = "C/D";
outputs = _: {};
}
EOF
cat <<EOF > $flakeFollowsA/flake.nix
{
inputs.B.url = "path:$flakeFollowsB";
inputs.C.url = "path:$flakeFollowsC";
inputs.B.inputs.C.follows = "C";
outputs = _: {};
}
EOF
# bug was not triggered without recreating the lockfile
nix flake lock $flakeFollowsA --recreate-lock-file
[[ $(jq -c .nodes.B.inputs.D $flakeFollowsA/flake.lock) = '["B","C","D"]' ]]