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nix/tests/config.sh

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add NIX_USER_CONF_FILES Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-30 13:31:14 +00:00
source common.sh
tests: Test `.config` stays clean with XDG_CONFIG_HOME set
2021-03-17 23:02:11 +00:00
# Isolate the home for this test.
# Other tests (e.g. flake registry tests) could be writing to $HOME in parallel.
export HOME=$TEST_ROOT/userhome
# Test that using XDG_CONFIG_HOME works
# Assert the config folder didn't exist initially.
[ ! -e "$HOME/.config" ]
# Without XDG_CONFIG_HOME, creates $HOME/.config
unset XDG_CONFIG_HOME
# Run against the nix registry to create the config dir
# (Tip: this relies on removing non-existent entries being a no-op!)
nix registry remove userhome-without-xdg
# Verifies it created it
[ -e "$HOME/.config" ]
# Remove the directory it created
rm -rf "$HOME/.config"
# Run the same test, but with XDG_CONFIG_HOME
export XDG_CONFIG_HOME=$TEST_ROOT/confighome
# Assert the XDG_CONFIG_HOME/nix path does not exist yet.
[ ! -e "$TEST_ROOT/confighome/nix" ]
nix registry remove userhome-with-xdg
# Verifies the confighome path has been created
[ -e "$TEST_ROOT/confighome/nix" ]
# Assert the .config folder hasn't been created.
[ ! -e "$HOME/.config" ]
add NIX_USER_CONF_FILES Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-30 13:31:14 +00:00
# Test that files are loaded from XDG by default
tests/config: Fix config test configuration First, "XDG_CONFIG_HOME" shouldn't be named "home", as it may be confusing compared with `$HOME`, which an upcoming test will be using. Then, using a fixed location for the test is problematic. Use `$TEST_ROOT` instead.
2021-03-17 22:43:37 +00:00
export XDG_CONFIG_HOME=$TEST_ROOT/confighome
export XDG_CONFIG_DIRS=$TEST_ROOT/dir1:$TEST_ROOT/dir2
add NIX_USER_CONF_FILES Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-30 13:31:14 +00:00
files=$(nix-build --verbose --version | grep "User config" | cut -d ':' -f2- | xargs)
tests/config: Fix config test configuration First, "XDG_CONFIG_HOME" shouldn't be named "home", as it may be confusing compared with `$HOME`, which an upcoming test will be using. Then, using a fixed location for the test is problematic. Use `$TEST_ROOT` instead.
2021-03-17 22:43:37 +00:00
[[ $files == "$TEST_ROOT/confighome/nix/nix.conf:$TEST_ROOT/dir1/nix/nix.conf:$TEST_ROOT/dir2/nix/nix.conf" ]]
add NIX_USER_CONF_FILES Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-30 13:31:14 +00:00
# Test that setting NIX_USER_CONF_FILES overrides all the default user config files
tests/config: Fix config test configuration First, "XDG_CONFIG_HOME" shouldn't be named "home", as it may be confusing compared with `$HOME`, which an upcoming test will be using. Then, using a fixed location for the test is problematic. Use `$TEST_ROOT` instead.
2021-03-17 22:43:37 +00:00
export NIX_USER_CONF_FILES=$TEST_ROOT/file1.conf:$TEST_ROOT/file2.conf
add NIX_USER_CONF_FILES Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-30 13:31:14 +00:00
files=$(nix-build --verbose --version | grep "User config" | cut -d ':' -f2- | xargs)
tests/config: Fix config test configuration First, "XDG_CONFIG_HOME" shouldn't be named "home", as it may be confusing compared with `$HOME`, which an upcoming test will be using. Then, using a fixed location for the test is problematic. Use `$TEST_ROOT` instead.
2021-03-17 22:43:37 +00:00
[[ $files == "$TEST_ROOT/file1.conf:$TEST_ROOT/file2.conf" ]]
add NIX_USER_CONF_FILES Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-30 13:31:14 +00:00
# Test that it's possible to load the config from a custom location
here=$(readlink -f "$(dirname "${BASH_SOURCE[0]}")")
export NIX_USER_CONF_FILES=$here/config/nix-with-substituters.conf
var=$(nix show-config | grep '^substituters =' | cut -d '=' -f 2 | xargs)
[[ $var == https://example.com ]]
Add NIX_CONFIG env var for applying nix.conf overrides
2020-10-19 21:08:50 +00:00
# Test that it's possible to load config from the environment
prev=$(nix show-config | grep '^cores' | cut -d '=' -f 2 | xargs)
export NIX_CONFIG="cores = 4242"$'\n'"experimental-features = nix-command flakes"
exp_cores=$(nix show-config | grep '^cores' | cut -d '=' -f 2 | xargs)
exp_features=$(nix show-config | grep '^experimental-features' | cut -d '=' -f 2 | xargs)
[[ $prev != $exp_cores ]]
[[ $exp_cores == "4242" ]]
Make experimental-features a proper type Rather than having them plain strings scattered through the whole codebase, create an enum containing all the known experimental features. This means that - Nix can now `warn` when an unkwown experimental feature is passed (making it much nicer to spot typos and spot deprecated features) - It’s now easy to remove a feature altogether (once the feature isn’t experimental anymore or is dropped) by just removing the field for the enum and letting the compiler point us to all the now invalid usages of it.
2021-10-25 13:53:01 +00:00
[[ $exp_features == "flakes nix-command" ]]
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