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Fix follow path checking at depths greater than 2

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We need to recurse into the input tree to handle follows paths that
trarverse multiple inputs that may or may not be follow paths
themselves.
This commit is contained in:
Alex Zero 2023-08-13 01:31:32 +01:00
parent 5542c1f87e
commit 1ef8008ca7
2 changed files with 64 additions and 1 deletions
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63
tests/flakes/follow-paths.sh
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@ -148,3 +148,66 @@ 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 $flakeFollowsA 2>&1 | grep "warning: input 'B' has an override for a non-existent input 'invalid2'"
# Now test follow path overloading
flakeFollowsOverloadA=$TEST_ROOT/follows/overload/flakeA
flakeFollowsOverloadB=$TEST_ROOT/follows/overload/flakeA/flakeB
flakeFollowsOverloadC=$TEST_ROOT/follows/overload/flakeA/flakeB/flakeC
flakeFollowsOverloadD=$TEST_ROOT/follows/overload/flakeA/flakeB/flakeC/flakeD
# Test following path flakerefs.
createGitRepo $flakeFollowsOverloadA
mkdir -p $flakeFollowsOverloadB
mkdir -p $flakeFollowsOverloadC
mkdir -p $flakeFollowsOverloadD
cat > $flakeFollowsOverloadD/flake.nix <<EOF
{
description = "Flake D";
inputs = {};
outputs = { ... }: {};
}
EOF
cat > $flakeFollowsOverloadC/flake.nix <<EOF
{
description = "Flake C";
inputs.D.url = "path:./flakeD";
outputs = { ... }: {};
}
EOF
cat > $flakeFollowsOverloadB/flake.nix <<EOF
{
description = "Flake B";
inputs = {
C = {
url = "path:./flakeC";
};
D.follows = "C/D";
};
outputs = { ... }: {};
}
EOF
# input B/D should be able to be found...
cat > $flakeFollowsOverloadA/flake.nix <<EOF
{
description = "Flake A";
inputs = {
B = {
url = "path:./flakeB";
inputs.C.follows = "C";
};
C.url = "path:./flakeB/flakeC";
};
outputs = { ... }: {};
}
EOF
git -C $flakeFollowsOverloadA add flake.nix flakeB/flake.nix \
flakeB/flakeC/flake.nix flakeB/flakeC/flakeD/flake.nix
nix flake metadata $flakeFollowsOverloadA
nix flake update $flakeFollowsOverloadA
nix flake lock $flakeFollowsOverloadA