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nix/tests/functional/nix_path.sh

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Ensure all functional scripts are (a) executable (b) have shebang This is good for shebang, and also good for future build system simplifications
2024-05-28 16:43:04 +00:00
#!/usr/bin/env bash
Don’t require `NIX_PATH` entries to be valid paths It’s totally valid to have entries in `NIX_PATH` that aren’t valid paths (they can even be arbitrary urls or `channel:<channel-name>`). Fix #5998 and #5980
2022-01-27 14:32:14 +00:00
# Regression for https://github.com/NixOS/nix/issues/5998 and https://github.com/NixOS/nix/issues/5980
source common.sh
export NIX_PATH=non-existent=/non-existent/but-unused-anyways:by-absolute-path=$PWD:by-relative-path=.
nix-instantiate --eval -E '<by-absolute-path/simple.nix>' --restrict-eval
nix-instantiate --eval -E '<by-relative-path/simple.nix>' --restrict-eval
# Should ideally also test this, but there’s no pure way to do it, so just trust me that it works
# nix-instantiate --eval -E '<nixpkgs>' -I nixpkgs=channel:nixos-unstable --restrict-eval
Trivial changes from the lazy-trees branch
2022-12-07 11:58:58 +00:00
[[ $(nix-instantiate --find-file by-absolute-path/simple.nix) = $PWD/simple.nix ]]
[[ $(nix-instantiate --find-file by-relative-path/simple.nix) = $PWD/simple.nix ]]
fix `NIX_PATH` for real (#11079) * fix NIX_PATH overriding - test restricted evaluation - test precedence for setting the search path Co-authored-by: Robert Hensing <robert@roberthensing.nl> Co-authored-by: John Ericson <git@JohnEricson.me>
2024-07-24 21:17:15 +00:00
# this is the human-readable specification for the following test cases of interactions between various ways of specifying NIX_PATH.
# TODO: the actual tests are incomplete and too manual.
# there should be 43 of them, since the table has 9 rows and columns, and 2 interactions are meaningless
# ideally they would work off the table programmatically.
#
# | precedence | hard-coded | nix-path in file | extra-nix-path in file | nix-path in env | extra-nix-path in env | NIX_PATH | nix-path | extra-nix-path | -I |
# |------------------------|------------|------------------|------------------------|-----------------|-----------------------|-----------|-----------|-----------------|-----------------|
reword documentation on `nix-path` config option (#7772) * docs: unify documentation on search paths - put all the information on search path semantics into `builtins.findFile` - put all the information on determining the value of `builtins.nixPath` into the `nix-path` setting maybe `builtins.nixPath` is a better place for this, but those bits can still be moved around now that it's all next to each other. - link to the syntax page for lookup paths from all places that are concerned with it - add or clarify examples - add a test verifying a claim from documentation
2024-07-31 19:41:26 +00:00
# | hard-coded | x | ^override | ^append | ^override | ^append | ^override | ^override | ^append | ^prepend |
# | nix-path in file | | last wins | ^append | ^override | ^append | ^override | ^override | ^append | ^prepend |
# | extra-nix-path in file | | | append in order | ^override | ^append | ^override | ^override | ^append | ^prepend |
# | nix-path in env | | | | last wins | ^append | ^override | ^override | ^append | ^prepend |
# | extra-nix-path in env | | | | | append in order | ^override | ^override | ^append | ^prepend |
# | NIX_PATH | | | | | | x | ^override | ^append | ^prepend |
# | nix-path | | | | | | | last wins | ^append | ^prepend |
fix `NIX_PATH` for real (#11079) * fix NIX_PATH overriding - test restricted evaluation - test precedence for setting the search path Co-authored-by: Robert Hensing <robert@roberthensing.nl> Co-authored-by: John Ericson <git@JohnEricson.me>
2024-07-24 21:17:15 +00:00
# | extra-nix-path | | | | | | | | append in order | append in order |
# | -I | | | | | | | | | append in order |
unset NIX_PATH
mkdir -p $TEST_ROOT/{from-nix-path-file,from-NIX_PATH,from-nix-path,from-extra-nix-path,from-I}
for i in from-nix-path-file from-NIX_PATH from-nix-path from-extra-nix-path from-I; do
touch $TEST_ROOT/$i/only-$i.nix
done
# finding something that's not in any of the default paths fails
( ! $(nix-instantiate --find-file test) )
echo "nix-path = test=$TEST_ROOT/from-nix-path-file" >> "$test_nix_conf"
# Use nix.conf in absence of NIX_PATH
[[ $(nix-instantiate --find-file test) = $TEST_ROOT/from-nix-path-file ]]
# NIX_PATH overrides nix.conf
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --find-file test) = $TEST_ROOT/from-NIX_PATH ]]
# if NIX_PATH does not have the desired entry, it fails
(! NIX_PATH=test=$TEST_ROOT nix-instantiate --find-file test/only-from-nix-path-file.nix)
# -I extends nix.conf
[[ $(nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-I.nix) = $TEST_ROOT/from-I/only-from-I.nix ]]
# if -I does not have the desired entry, the value from nix.conf is used
[[ $(nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-nix-path-file.nix) = $TEST_ROOT/from-nix-path-file/only-from-nix-path-file.nix ]]
# -I extends NIX_PATH
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-I.nix) = $TEST_ROOT/from-I/only-from-I.nix ]]
reword documentation on `nix-path` config option (#7772) * docs: unify documentation on search paths - put all the information on search path semantics into `builtins.findFile` - put all the information on determining the value of `builtins.nixPath` into the `nix-path` setting maybe `builtins.nixPath` is a better place for this, but those bits can still be moved around now that it's all next to each other. - link to the syntax page for lookup paths from all places that are concerned with it - add or clarify examples - add a test verifying a claim from documentation
2024-07-31 19:41:26 +00:00
# -I takes precedence over NIX_PATH
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate -I test=$TEST_ROOT/from-I --find-file test) = $TEST_ROOT/from-I ]]
fix `NIX_PATH` for real (#11079) * fix NIX_PATH overriding - test restricted evaluation - test precedence for setting the search path Co-authored-by: Robert Hensing <robert@roberthensing.nl> Co-authored-by: John Ericson <git@JohnEricson.me>
2024-07-24 21:17:15 +00:00
# if -I does not have the desired entry, the value from NIX_PATH is used
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate -I test=$TEST_ROOT/from-I --find-file test/only-from-NIX_PATH.nix) = $TEST_ROOT/from-NIX_PATH/only-from-NIX_PATH.nix ]]
# --extra-nix-path extends NIX_PATH
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test/only-from-extra-nix-path.nix) = $TEST_ROOT/from-extra-nix-path/only-from-extra-nix-path.nix ]]
# if --extra-nix-path does not have the desired entry, the value from NIX_PATH is used
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test/only-from-NIX_PATH.nix) = $TEST_ROOT/from-NIX_PATH/only-from-NIX_PATH.nix ]]
# --nix-path overrides NIX_PATH
[[ $(NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test) = $TEST_ROOT/from-nix-path ]]
# if --nix-path does not have the desired entry, it fails
(! NIX_PATH=test=$TEST_ROOT/from-NIX_PATH nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test/only-from-NIX_PATH.nix)
# --nix-path overrides nix.conf
[[ $(nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test) = $TEST_ROOT/from-nix-path ]]
(! nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path --find-file test/only-from-nix-path-file.nix)
# --extra-nix-path extends nix.conf
[[ $(nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test/only-from-extra-nix-path.nix) = $TEST_ROOT/from-extra-nix-path/only-from-extra-nix-path.nix ]]
# if --extra-nix-path does not have the desired entry, it is taken from nix.conf
[[ $(nix-instantiate --extra-nix-path test=$TEST_ROOT/from-extra-nix-path --find-file test) = $TEST_ROOT/from-nix-path-file ]]
# -I extends --nix-path
[[ $(nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path -I test=$TEST_ROOT/from-I --find-file test/only-from-I.nix) = $TEST_ROOT/from-I/only-from-I.nix ]]
[[ $(nix-instantiate --nix-path test=$TEST_ROOT/from-nix-path -I test=$TEST_ROOT/from-I --find-file test/only-from-nix-path.nix) = $TEST_ROOT/from-nix-path/only-from-nix-path.nix ]]
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