lix/tests/flakes/circular.sh
2022-07-13 20:37:32 +02:00

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# Test circular flake dependencies.
source ./common.sh
requireGit
flakeA=$TEST_ROOT/flakeA
flakeB=$TEST_ROOT/flakeB
createGitRepo $flakeA
createGitRepo $flakeB
cat > $flakeA/flake.nix <<EOF
{
inputs.b.url = git+file://$flakeB;
inputs.b.inputs.a.follows = "/";
outputs = { self, b }: {
foo = 123 + b.bar;
xyzzy = 1000;
};
}
EOF
git -C $flakeA add flake.nix
cat > $flakeB/flake.nix <<EOF
{
inputs.a.url = git+file://$flakeA;
outputs = { self, a }: {
bar = 456 + a.xyzzy;
};
}
EOF
git -C $flakeB add flake.nix
git -C $flakeB commit -a -m 'Foo'
[[ $(nix eval $flakeA#foo) = 1579 ]]
[[ $(nix eval $flakeA#foo) = 1579 ]]
sed -i $flakeB/flake.nix -e 's/456/789/'
git -C $flakeB commit -a -m 'Foo'
[[ $(nix eval --update-input b $flakeA#foo) = 1912 ]]
# Test list-inputs with circular dependencies
nix flake metadata $flakeA