lix/tests/flakes.sh

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source common.sh
if [[ -z $(type -p git) ]]; then
echo "Git not installed; skipping flake tests"
exit 99
fi
export _NIX_FORCE_HTTP=1
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clearStore
rm -rf $TEST_HOME/.cache
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registry=$TEST_ROOT/registry.json
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flake1Dir=$TEST_ROOT/flake1
flake2Dir=$TEST_ROOT/flake2
flake3Dir=$TEST_ROOT/flake3
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flake4Dir=$TEST_ROOT/flake4
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flake7Dir=$TEST_ROOT/flake7
nonFlakeDir=$TEST_ROOT/nonFlake
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for repo in $flake1Dir $flake2Dir $flake3Dir $flake7Dir $nonFlakeDir; do
rm -rf $repo $repo.tmp
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mkdir $repo
git -C $repo init
git -C $repo config user.email "foobar@example.com"
git -C $repo config user.name "Foobar"
done
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cat > $flake1Dir/flake.nix <<EOF
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{
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edition = 201909;
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description = "Bla bla";
outputs = inputs: rec {
packages.$system.foo = import ./simple.nix;
defaultPackage.$system = packages.$system.foo;
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# To test "nix flake init".
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legacyPackages.x86_64-linux.hello = import ./simple.nix;
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};
}
EOF
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cp ./simple.nix ./simple.builder.sh ./config.nix $flake1Dir/
git -C $flake1Dir add flake.nix simple.nix simple.builder.sh config.nix
git -C $flake1Dir commit -m 'Initial'
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cat > $flake2Dir/flake.nix <<EOF
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{
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edition = 201909;
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description = "Fnord";
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outputs = { self, flake1 }: rec {
packages.$system.bar = flake1.packages.$system.foo;
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};
}
EOF
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git -C $flake2Dir add flake.nix
git -C $flake2Dir commit -m 'Initial'
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cat > $flake3Dir/flake.nix <<EOF
{
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edition = 201909;
description = "Fnord";
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outputs = { self, flake2 }: rec {
packages.$system.xyzzy = flake2.packages.$system.bar;
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checks = {
xyzzy = packages.$system.xyzzy;
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};
};
}
EOF
git -C $flake3Dir add flake.nix
git -C $flake3Dir commit -m 'Initial'
cat > $nonFlakeDir/README.md <<EOF
FNORD
EOF
git -C $nonFlakeDir add README.md
git -C $nonFlakeDir commit -m 'Initial'
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cat > $registry <<EOF
{
"flakes": {
"flake1": {
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"url": "file://$flake1Dir"
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},
"flake2": {
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"url": "file://$flake2Dir"
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},
"flake3": {
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"url": "file://$flake3Dir"
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},
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"flake4": {
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"url": "flake3"
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},
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"nixpkgs": {
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"url": "flake1"
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}
},
"version": 1
}
EOF
# Test 'nix flake list'.
(( $(nix flake list --flake-registry $registry | wc -l) == 5 ))
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# Test 'nix flake info'.
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nix flake info --flake-registry $registry flake1 | grep -q 'URL: .*flake1.*'
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# Test 'nix flake info' on a local flake.
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(cd $flake1Dir && nix flake info --flake-registry $registry) | grep -q 'URL: .*flake1.*'
(cd $flake1Dir && nix flake info --flake-registry $registry .) | grep -q 'URL: .*flake1.*'
nix flake info --flake-registry $registry $flake1Dir | grep -q 'URL: .*flake1.*'
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# Test 'nix flake info --json'.
json=$(nix flake info --flake-registry $registry flake1 --json | jq .)
[[ $(echo "$json" | jq -r .description) = 'Bla bla' ]]
[[ -d $(echo "$json" | jq -r .path) ]]
[[ $(echo "$json" | jq -r .lastModified) = $(git -C $flake1Dir log -n1 --format=%ct) ]]
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# Test 'nix build' on a flake.
nix build -o $TEST_ROOT/result --flake-registry $registry flake1#foo
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[[ -e $TEST_ROOT/result/hello ]]
# Test defaultPackage.
nix build -o $TEST_ROOT/result --flake-registry $registry flake1
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[[ -e $TEST_ROOT/result/hello ]]
nix build -o $TEST_ROOT/result --flake-registry $registry $flake1Dir
nix build -o $TEST_ROOT/result --flake-registry $registry file://$flake1Dir
# CHeck that store symlinks inside a flake are not interpreted as flakes.
nix build -o $flake1Dir/result --flake-registry $registry file://$flake1Dir
nix path-info $flake1Dir/result
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# Building a flake with an unlocked dependency should fail in pure mode.
(! nix eval "(builtins.getFlake "$flake2Dir")")
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# But should succeed in impure mode.
nix build -o $TEST_ROOT/result --flake-registry $registry flake2#bar --impure
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# Test automatic lock file generation.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir#bar
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[[ -e $flake2Dir/flake.lock ]]
git -C $flake2Dir commit flake.lock -m 'Add flake.lock'
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# Rerunning the build should not change the lockfile.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir#bar
[[ -z $(git -C $flake2Dir diff master) ]]
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# Building with a lockfile should not require a fetch of the registry.
nix build -o $TEST_ROOT/result --flake-registry file:///no-registry.json $flake2Dir#bar --tarball-ttl 0
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# Updating the flake should not change the lockfile.
nix flake update --flake-registry $registry $flake2Dir
[[ -z $(git -C $flake2Dir diff master) ]]
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# Now we should be able to build the flake in pure mode.
nix build -o $TEST_ROOT/result --flake-registry $registry flake2#bar
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# Or without a registry.
# FIXME: shouldn't need '--flake-registry /no-registry'?
nix build -o $TEST_ROOT/result --flake-registry /no-registry file://$flake2Dir#bar --tarball-ttl 0
# Test whether indirect dependencies work.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#xyzzy
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# Add dependency to flake3.
rm $flake3Dir/flake.nix
cat > $flake3Dir/flake.nix <<EOF
{
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edition = 201909;
description = "Fnord";
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outputs = { self, flake1, flake2 }: rec {
packages.$system.xyzzy = flake2.packages.$system.bar;
packages.$system."sth sth" = flake1.packages.$system.foo;
};
}
EOF
git -C $flake3Dir add flake.nix
git -C $flake3Dir commit -m 'Update flake.nix'
# Check whether `nix build` works with an incomplete lockfile
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#"sth sth"
# Check whether it saved the lockfile
[[ ! (-z $(git -C $flake3Dir diff master)) ]]
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git -C $flake3Dir add flake.lock
git -C $flake3Dir commit -m 'Add lockfile'
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# Unsupported editions should be an error.
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sed -i $flake3Dir/flake.nix -e s/201909/201912/
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#sth 2>&1 | grep 'unsupported edition'
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# Test whether registry caching works.
nix flake list --flake-registry file://$registry | grep -q flake3
mv $registry $registry.tmp
nix flake list --flake-registry file://$registry --tarball-ttl 0 | grep -q flake3
mv $registry.tmp $registry
# Test whether flakes are registered as GC roots for offline use.
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# FIXME: use tarballs rather than git.
rm -rf $TEST_HOME/.cache
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir#bar
mv $flake1Dir $flake1Dir.tmp
mv $flake2Dir $flake2Dir.tmp
nix-store --gc
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir#bar
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir#bar --tarball-ttl 0
mv $flake1Dir.tmp $flake1Dir
mv $flake2Dir.tmp $flake2Dir
# Add nonFlakeInputs to flake3.
rm $flake3Dir/flake.nix
cat > $flake3Dir/flake.nix <<EOF
{
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edition = 201909;
inputs = {
flake1 = {};
flake2 = {};
nonFlake = {
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url = "$nonFlakeDir";
flake = false;
};
};
description = "Fnord";
outputs = inputs: rec {
packages.$system.xyzzy = inputs.flake2.packages.$system.bar;
packages.$system.sth = inputs.flake1.packages.$system.foo;
packages.$system.fnord =
with import ./config.nix;
mkDerivation {
inherit system;
name = "fnord";
buildCommand = ''
cat \${inputs.nonFlake}/README.md > \$out
'';
};
};
}
EOF
cp ./config.nix $flake3Dir
git -C $flake3Dir add flake.nix config.nix
git -C $flake3Dir commit -m 'Add nonFlakeInputs'
# Check whether `nix build` works with a lockfile which is missing a
# nonFlakeInputs.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#sth
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git -C $flake3Dir add flake.lock
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git -C $flake3Dir commit -m 'Update nonFlakeInputs'
nix build -o $TEST_ROOT/result --flake-registry $registry flake3#fnord
[[ $(cat $TEST_ROOT/result) = FNORD ]]
# Check whether flake input fetching is lazy: flake3#sth does not
# depend on flake2, so this shouldn't fail.
rm -rf $TEST_HOME/.cache
clearStore
mv $flake2Dir $flake2Dir.tmp
mv $nonFlakeDir $nonFlakeDir.tmp
nix build -o $TEST_ROOT/result --flake-registry $registry flake3#sth
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake3#xyzzy)
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake3#fnord)
mv $flake2Dir.tmp $flake2Dir
mv $nonFlakeDir.tmp $nonFlakeDir
nix build -o $TEST_ROOT/result --flake-registry $registry flake3#xyzzy flake3#fnord
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# Test doing multiple `lookupFlake`s
nix build -o $TEST_ROOT/result --flake-registry $registry flake4#xyzzy
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# Make branch "removeXyzzy" where flake3 doesn't have xyzzy anymore
git -C $flake3Dir checkout -b removeXyzzy
rm $flake3Dir/flake.nix
cat > $flake3Dir/flake.nix <<EOF
{
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edition = 201909;
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inputs = {
nonFlake = {
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url = "$nonFlakeDir";
flake = false;
};
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};
description = "Fnord";
outputs = { self, flake1, flake2, nonFlake }: rec {
packages.$system.sth = flake1.packages.$system.foo;
packages.$system.fnord =
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with import ./config.nix;
mkDerivation {
inherit system;
name = "fnord";
buildCommand = ''
cat \${nonFlake}/README.md > \$out
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'';
};
};
}
EOF
git -C $flake3Dir add flake.nix
git -C $flake3Dir commit -m 'Remove packages.xyzzy'
git -C $flake3Dir checkout master
# Test whether fuzzy-matching works for IsAlias
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy#xyzzy)
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# Test whether fuzzy-matching works for IsGit
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy#xyzzy)
nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy#sth
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# Testing the nix CLI
nix flake add --flake-registry $registry flake1 flake3
(( $(nix flake list --flake-registry $registry | wc -l) == 6 ))
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nix flake pin --flake-registry $registry flake1
(( $(nix flake list --flake-registry $registry | wc -l) == 6 ))
nix flake remove --flake-registry $registry flake1
(( $(nix flake list --flake-registry $registry | wc -l) == 5 ))
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# Test 'nix flake init'.
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(cd $flake7Dir && nix flake init)
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git -C $flake7Dir add flake.nix
nix flake --flake-registry $registry check $flake7Dir
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rm -rf $TEST_ROOT/flake1-v2
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nix flake clone --flake-registry $registry flake1 $TEST_ROOT/flake1-v2
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# More 'nix flake check' tests.
cat > $flake3Dir/flake.nix <<EOF
{
edition = 201909;
outputs = { flake1, self }: {
overlay = final: prev: {
};
};
}
EOF
nix flake check --flake-registry $registry $flake3Dir
cat > $flake3Dir/flake.nix <<EOF
{
edition = 201909;
outputs = { flake1, self }: {
overlay = finalll: prev: {
};
};
}
EOF
(! nix flake check --flake-registry $registry $flake3Dir)
cat > $flake3Dir/flake.nix <<EOF
{
edition = 201909;
outputs = { flake1, self }: {
nixosModules.foo = {
a.b.c = 123;
foo = true;
};
};
}
EOF
nix flake check --flake-registry $registry $flake3Dir
cat > $flake3Dir/flake.nix <<EOF
{
edition = 201909;
outputs = { flake1, self }: {
nixosModules.foo = {
a.b.c = 123;
foo = assert false; true;
};
};
}
EOF
(! nix flake check --flake-registry $registry $flake3Dir)
cat > $flake3Dir/flake.nix <<EOF
{
edition = 201909;
outputs = { flake1, self }: {
nixosModule = { config, pkgs, ... }: {
a.b.c = 123;
};
};
}
EOF
nix flake check --flake-registry $registry $flake3Dir
cat > $flake3Dir/flake.nix <<EOF
{
edition = 201909;
outputs = { flake1, self }: {
nixosModule = { config, pkgs }: {
a.b.c = 123;
};
};
}
EOF
(! nix flake check --flake-registry $registry $flake3Dir)