0f840483c7
This is primarily useful for version string generation, where we need a monotonically increasing number. The revcount is the preferred thing to use, but isn't available for GitHub flakes (since it requires fetching the entire history). The last commit timestamp OTOH can be extracted from GitHub tarballs.
241 lines
6.1 KiB
Bash
241 lines
6.1 KiB
Bash
source common.sh
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if [[ -z $(type -p git) ]]; then
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echo "Git not installed; skipping flake tests"
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exit 99
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fi
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export _NIX_FORCE_HTTP=1
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clearStore
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rm -rf $TEST_HOME/.cache
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registry=$TEST_ROOT/registry.json
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flake1Dir=$TEST_ROOT/flake1
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flake2Dir=$TEST_ROOT/flake2
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flake3Dir=$TEST_ROOT/flake3
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nonFlakeDir=$TEST_ROOT/nonFlake
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for repo in $flake1Dir $flake2Dir $flake3Dir $nonFlakeDir; do
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rm -rf $repo $repo.tmp
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mkdir $repo
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git -C $repo init
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git -C $repo config user.email "foobar@example.com"
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git -C $repo config user.name "Foobar"
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done
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cat > $flake1Dir/flake.nix <<EOF
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{
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name = "flake1";
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epoch = 2019;
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description = "Bla bla";
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provides = deps: rec {
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packages.foo = import ./simple.nix;
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defaultPackage = packages.foo;
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};
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}
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EOF
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cp ./simple.nix ./simple.builder.sh ./config.nix $flake1Dir/
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git -C $flake1Dir add flake.nix simple.nix simple.builder.sh config.nix
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git -C $flake1Dir commit -m 'Initial'
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cat > $flake2Dir/flake.nix <<EOF
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{
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name = "flake2";
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epoch = 2019;
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requires = [ "flake1" ];
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description = "Fnord";
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provides = deps: rec {
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packages.bar = deps.flake1.provides.packages.foo;
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};
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}
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EOF
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git -C $flake2Dir add flake.nix
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git -C $flake2Dir commit -m 'Initial'
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cat > $flake3Dir/flake.nix <<EOF
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{
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name = "flake3";
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epoch = 2019;
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requires = [ "flake2" ];
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description = "Fnord";
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provides = deps: rec {
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packages.xyzzy = deps.flake2.provides.packages.bar;
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};
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}
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EOF
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git -C $flake3Dir add flake.nix
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git -C $flake3Dir commit -m 'Initial'
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cat > $nonFlakeDir/README.md <<EOF
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Not much
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EOF
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git -C $nonFlakeDir add README.md
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git -C $nonFlakeDir commit -m 'Initial'
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cat > $registry <<EOF
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{
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"flakes": {
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"flake1": {
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"uri": "file://$flake1Dir"
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},
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"flake2": {
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"uri": "file://$flake2Dir"
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},
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"flake3": {
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"uri": "file://$flake3Dir"
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},
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"nixpkgs": {
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"uri": "flake1"
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}
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},
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"version": 1
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}
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EOF
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# Test 'nix flake list'.
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(( $(nix flake list --flake-registry $registry | wc -l) == 4 ))
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# Test 'nix flake info'.
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nix flake info --flake-registry $registry flake1 | grep -q 'ID: *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 'ID: *flake1'
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(cd $flake1Dir && nix flake info --flake-registry $registry .) | grep -q 'ID: *flake1'
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nix flake info --flake-registry $registry $flake1Dir | grep -q 'ID: *flake1'
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# Test 'nix flake info --json'.
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json=$(nix flake info --flake-registry $registry flake1 --json | jq .)
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[[ $(echo "$json" | jq -r .description) = 'Bla bla' ]]
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[[ -d $(echo "$json" | jq -r .path) ]]
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[[ $(echo "$json" | jq -r .lastModified) = $(git -C $flake1Dir log -n1 --format=%ct) ]]
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# Test 'nix build' on a flake.
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nix build -o $TEST_ROOT/result --flake-registry $registry flake1:foo
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[[ -e $TEST_ROOT/result/hello ]]
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# Test defaultPackage.
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nix build -o $TEST_ROOT/result --flake-registry $registry flake1:
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[[ -e $TEST_ROOT/result/hello ]]
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# Building a flake with an unlocked dependency should fail in pure mode.
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(! nix eval "(builtins.getFlake "$flake2Dir")")
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# But should succeed in impure mode.
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nix build -o $TEST_ROOT/result --flake-registry $registry flake2:bar --impure
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# Test automatic lock file generation.
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nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir:bar
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[[ -e $flake2Dir/flake.lock ]]
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git -C $flake2Dir commit flake.lock -m 'Add flake.lock'
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# Rerunning the build should not change the lockfile.
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nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir:bar
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[[ -z $(git -C $flake2Dir diff master) ]]
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# Now we should be able to build the flake in pure mode.
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nix build -o $TEST_ROOT/result --flake-registry $registry flake2:bar
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# Or without a registry.
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# FIXME: shouldn't need '--flake-registry /no-registry'?
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nix build -o $TEST_ROOT/result --flake-registry /no-registry file://$flake2Dir:bar --tarball-ttl 0
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# Test whether indirect dependencies work.
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nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:xyzzy
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# Add dependency to flake3.
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rm $flake3Dir/flake.nix
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cat > $flake3Dir/flake.nix <<EOF
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{
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name = "flake3";
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epoch = 2019;
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requires = [ "flake1" "flake2" ];
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description = "Fnord";
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provides = deps: rec {
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packages.xyzzy = deps.flake2.provides.packages.bar;
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packages.sth = deps.flake1.provides.packages.foo;
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};
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}
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EOF
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git -C $flake3Dir add flake.nix
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git -C $flake3Dir commit -m 'Update flake.nix'
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# Check whether `nix build` works with an incomplete lockfile
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nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:sth
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# Check whether it saved the lockfile
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[[ ! (-z $(git -C $flake3Dir diff master)) ]]
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# Unsupported epochs should be an error.
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sed -i $flake3Dir/flake.nix -e s/2019/2030/
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nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:sth 2>&1 | grep 'unsupported epoch'
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# Test whether registry caching works.
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nix flake list --flake-registry file://$registry | grep -q flake3
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mv $registry $registry.tmp
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nix flake list --flake-registry file://$registry --tarball-ttl 0 | grep -q flake3
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mv $registry.tmp $registry
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# Test whether flakes are registered as GC roots for offline use.
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rm -rf $TEST_HOME/.cache
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nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir:bar
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mv $flake1Dir $flake1Dir.tmp
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mv $flake2Dir $flake2Dir.tmp
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nix-store --gc
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nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir:bar
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nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir:bar --tarball-ttl 0
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mv $flake1Dir.tmp $flake1Dir
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mv $flake2Dir.tmp $flake2Dir
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# Add nonFlakeRequires to flake3.
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rm $flake3Dir/flake.nix
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cat > $flake3Dir/flake.nix <<EOF
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{
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name = "flake3";
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epoch = 2019;
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requires = [ "flake1" "flake2" ];
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nonFlakeRequires = {
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nonFlake = "$nonFlakeDir";
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};
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description = "Fnord";
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provides = deps: rec {
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packages.xyzzy = deps.flake2.provides.packages.bar;
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packages.sth = deps.flake1.provides.packages.foo;
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};
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}
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EOF
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git -C $flake3Dir add flake.nix
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git -C $flake3Dir commit -m 'Add nonFlakeRequires'
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# Check whether `nix build` works with a lockfile which is missing a nonFlakeRequires
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nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:sth
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