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source ./common.sh
requireGit
flakeFollowsA=$TEST_ROOT/follows/flakeA
flakeFollowsB=$TEST_ROOT/follows/flakeA/flakeB
flakeFollowsC=$TEST_ROOT/follows/flakeA/flakeB/flakeC
flakeFollowsD=$TEST_ROOT/follows/flakeA/flakeD
flakeFollowsE=$TEST_ROOT/follows/flakeA/flakeE
# Test following path flakerefs.
createGitRepo $flakeFollowsA
mkdir -p $flakeFollowsB
mkdir -p $flakeFollowsC
mkdir -p $flakeFollowsD
mkdir -p $flakeFollowsE
cat > $flakeFollowsA/flake.nix <<EOF
{
description = "Flake A";
inputs = {
B = {
url = "path:./flakeB";
inputs.foobar.follows = "foobar";
};
foobar.url = "path:$flakeFollowsA/flakeE";
};
outputs = { ... }: {};
}
EOF
cat > $flakeFollowsB/flake.nix <<EOF
{
description = "Flake B";
inputs = {
foobar.url = "path:$flakeFollowsA/flakeE";
goodoo.follows = "C/goodoo";
C = {
url = "path:./flakeC";
inputs.foobar.follows = "foobar";
};
};
outputs = { ... }: {};
}
EOF
cat > $flakeFollowsC/flake.nix <<EOF
{
description = "Flake C";
inputs = {
foobar.url = "path:$flakeFollowsA/flakeE";
goodoo.follows = "foobar";
};
outputs = { ... }: {};
}
EOF
cat > $flakeFollowsD/flake.nix <<EOF
{
description = "Flake D";
inputs = {};
outputs = { ... }: {};
}
EOF
cat > $flakeFollowsE/flake.nix <<EOF
{
description = "Flake E";
inputs = {};
outputs = { ... }: {};
}
EOF
git -C $flakeFollowsA add flake.nix flakeB/flake.nix \
flakeB/flakeC/flake.nix flakeD/flake.nix flakeE/flake.nix
nix flake metadata $flakeFollowsA
nix flake update $flakeFollowsA
nix flake lock $flakeFollowsA
oldLock="$(cat "$flakeFollowsA/flake.lock")"
# Ensure that locking twice doesn't change anything
nix flake lock $flakeFollowsA
newLock="$(cat "$flakeFollowsA/flake.lock")"
diff <(echo "$newLock") <(echo "$oldLock")
[[ $(jq -c .nodes.B.inputs.C $flakeFollowsA/flake.lock) = '"C"' ]]
[[ $(jq -c .nodes.B.inputs.foobar $flakeFollowsA/flake.lock) = '["foobar"]' ]]
[[ $(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";
};
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
{
description = "Flake A";
inputs = {
B.url = "path:../flakeB";
};
outputs = { ... }: {};
}
EOF
git -C $flakeFollowsA add flake.nix
nix flake lock $flakeFollowsA 2>&1 | grep 'points outside'
# Non-existant follows should print a warning.
cat >$flakeFollowsA/flake.nix <<EOF
{
description = "Flake A";
inputs.B = {
url = "path:./flakeB";
inputs.invalid.follows = "D";
inputs.invalid2.url = "path:./flakeD";
};
inputs.D.url = "path:./flakeD";
outputs = { ... }: {};
}
EOF
git -C $flakeFollowsA add flake.nix
nix flake lock $flakeFollowsA 2>&1 | grep "warning: input 'B' has an override for a non-existent input 'invalid'"
nix flake lock $flakeFollowsA 2>&1 | grep "warning: input 'B' has an override for a non-existent input 'invalid2'"
# Test nested flake overrides: A overrides B/C/D
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"]' ]]
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