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Diffstat (limited to 'tests/functional/flakes/follow-paths.sh')
-rw-r--r-- | tests/functional/flakes/follow-paths.sh | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/tests/functional/flakes/follow-paths.sh b/tests/functional/flakes/follow-paths.sh new file mode 100644 index 000000000..dc97027ac --- /dev/null +++ b/tests/functional/flakes/follow-paths.sh @@ -0,0 +1,232 @@ +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 + +expect 1 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 "$flakeFollowsA" 2>&1 | grep "warning: input 'B' has an override for a non-existent input 'invalid2'" + +# Now test follow path overloading +# This tests a lockfile checking regression https://github.com/NixOS/nix/pull/8819 +# +# We construct the following graph, where p->q means p has input q. +# A double edge means that the edge gets overridden using `follows`. +# +# A +# / \ +# / \ +# v v +# B ==> C --- follows declared in A +# \\ / +# \\/ --- follows declared in B +# v +# D +# +# The message was +# error: input 'B/D' follows a non-existent input 'B/C/D' +# +# Note that for `B` to resolve its follow for `D`, it needs `C/D`, for which it needs to resolve the follow on `C` first. +flakeFollowsOverloadA="$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" |