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Add a test with flake.nix in a submodule

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I noticed a regression in the lazy-trees branch, which I'm trying to
capture with this test. While the tests succeeds in master, the
lazy-trees branch gives the following error message:

    error: access to path
    '/build/nix-test/tests/flakes/flake-in-submodule/rootRepo/submodule/flake.nix'
    is forbidden because it is not under Git control; maybe you should
    'git add' it to the repository
    '/build/nix-test/tests/flakes/flake-in-submodule/rootRepo'?
This commit is contained in:
Josef Kemetmüller 2023-03-17 21:10:55 +01:00
parent 790dd2555b
commit f9c24d67b9
2 changed files with 55 additions and 0 deletions
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54
tests/flakes/flake-in-submodule.sh Normal file
View file

@ -0,0 +1,54 @@
source common.sh
# Tests that:
# - flake.nix may reside inside of a git submodule
# - the flake can access content outside of the submodule
#
# rootRepo
# ├── root.nix
# └── submodule
# ├── flake.nix
# └── sub.nix
requireGit
clearStore
# Submodules can't be fetched locally by default.
# See fetchGitSubmodules.sh
export XDG_CONFIG_HOME=$TEST_HOME/.config
git config --global protocol.file.allow always
rootRepo=$TEST_ROOT/rootRepo
subRepo=$TEST_ROOT/submodule
rm -rf $rootRepo $subRepo $TEST_HOME/.cache/nix
createGitRepo $subRepo
cat > $subRepo/flake.nix <<EOF
{
outputs = { self }: {
sub = import ./sub.nix;
root = import ../root.nix;
};
}
EOF
echo '"expression in submodule"' > $subRepo/sub.nix
git -C $subRepo add flake.nix sub.nix
git -C $subRepo commit -m Initial
createGitRepo $rootRepo
git -C $rootRepo submodule init
git -C $rootRepo submodule add $subRepo submodule
echo '"expression in root repo"' > $rootRepo/root.nix
git -C $rootRepo add root.nix
git -C $rootRepo commit -m "Add root.nix"
# Flake can live inside a submodule and can be accessed via ?dir=submodule
[[ $(nix eval --json git+file://$rootRepo\?submodules=1\&dir=submodule#sub ) = '"expression in submodule"' ]]
# The flake can access content outside of the submodule
[[ $(nix eval --json git+file://$rootRepo\?submodules=1\&dir=submodule#root ) = '"expression in root repo"' ]]

1
tests/local.mk
View file

@ -13,6 +13,7 @@ nix_tests = \
flakes/unlocked-override.sh \
flakes/absolute-paths.sh \
flakes/build-paths.sh \
flakes/flake-in-submodule.sh \
ca/gc.sh \
gc.sh \
remote-store.sh \