mirror of
https://github.com/NixOS/nix.git
synced 2024-11-23 07:12:27 +00:00
c11836126b
Use `set -u` and `set -o pipefail` to catch accidental mistakes and failures more strongly. - `set -u` catches the use of undefined variables - `set -o pipefail` catches failures (like `set -e`) earlier in the pipeline. This makes the tests a bit more robust. It is nice to read code not worrying about these spurious success paths (via uncaught) errors undermining the tests. Indeed, I caught some bugs doing this. There are a few tests where we run a command that should fail, and then search its output to make sure the failure message is one that we expect. Before, since the `grep` was the last command in the pipeline the exit code of those failing programs was silently ignored. Now with `set -o pipefail` it won't be, and we have to do something so the expected failure doesn't accidentally fail the test. To do that we use `expect` and a new `expectStderr` to check for the exact failing exit code. See the comments on each for why. `grep -q` is replaced with `grepQuiet`, see the comments on that function for why. `grep -v` when we just want the exit code is replaced with `grepInverse, see the comments on that function for why. `grep -q -v` together is, surprise surprise, replaced with `grepQuietInverse`, which is both combined. Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
494 lines
15 KiB
Bash
494 lines
15 KiB
Bash
source ./common.sh
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requireGit
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clearStore
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rm -rf $TEST_HOME/.cache $TEST_HOME/.config
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flake1Dir=$TEST_ROOT/flake1
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flake2Dir=$TEST_ROOT/flake2
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flake3Dir=$TEST_ROOT/flake3
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flake5Dir=$TEST_ROOT/flake5
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flake7Dir=$TEST_ROOT/flake7
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nonFlakeDir=$TEST_ROOT/nonFlake
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badFlakeDir=$TEST_ROOT/badFlake
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flakeGitBare=$TEST_ROOT/flakeGitBare
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for repo in $flake1Dir $flake2Dir $flake3Dir $flake7Dir $nonFlakeDir; do
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# Give one repo a non-main initial branch.
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extraArgs=
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if [[ $repo == $flake2Dir ]]; then
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extraArgs="--initial-branch=main"
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fi
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createGitRepo "$repo" "$extraArgs"
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done
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createSimpleGitFlake $flake1Dir
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cat > $flake2Dir/flake.nix <<EOF
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{
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description = "Fnord";
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outputs = { self, flake1 }: rec {
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packages.$system.bar = flake1.packages.$system.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 > $flake3Dir/flake.nix <<EOF
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{
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description = "Fnord";
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outputs = { self, flake2 }: rec {
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packages.$system.xyzzy = flake2.packages.$system.bar;
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checks = {
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xyzzy = packages.$system.xyzzy;
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};
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};
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}
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EOF
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cat > $flake3Dir/default.nix <<EOF
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{ x = 123; }
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EOF
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git -C $flake3Dir add flake.nix default.nix
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git -C $flake3Dir commit -m 'Initial'
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cat > $nonFlakeDir/README.md <<EOF
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FNORD
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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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# Construct a custom registry, additionally test the --registry flag
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nix registry add --registry $registry flake1 git+file://$flake1Dir
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nix registry add --registry $registry flake2 git+file://$flake2Dir
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nix registry add --registry $registry flake3 git+file://$flake3Dir
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nix registry add --registry $registry flake4 flake3
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nix registry add --registry $registry nixpkgs flake1
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# Test 'nix registry list'.
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[[ $(nix registry list | wc -l) == 5 ]]
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nix registry list | grep '^global'
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nix registry list | grepInverse '^user' # nothing in user registry
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# Test 'nix flake metadata'.
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nix flake metadata flake1
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nix flake metadata flake1 | grepQuiet 'Locked URL:.*flake1.*'
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# Test 'nix flake metadata' on a local flake.
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(cd $flake1Dir && nix flake metadata) | grepQuiet 'URL:.*flake1.*'
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(cd $flake1Dir && nix flake metadata .) | grepQuiet 'URL:.*flake1.*'
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nix flake metadata $flake1Dir | grepQuiet 'URL:.*flake1.*'
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# Test 'nix flake metadata --json'.
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json=$(nix flake metadata 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 $flake1Dir log -n1 --format=%ct) ]]
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hash1=$(echo "$json" | jq -r .revision)
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echo -n '# foo' >> $flake1Dir/flake.nix
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git -C $flake1Dir commit -a -m 'Foo'
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hash2=$(nix flake metadata flake1 --json --refresh | jq -r .revision)
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[[ $hash1 != $hash2 ]]
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# Test 'nix build' on a flake.
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nix build -o $TEST_ROOT/result flake1#foo
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[[ -e $TEST_ROOT/result/hello ]]
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# Test packages.default.
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nix build -o $TEST_ROOT/result flake1
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[[ -e $TEST_ROOT/result/hello ]]
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nix build -o $TEST_ROOT/result $flake1Dir
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nix build -o $TEST_ROOT/result git+file://$flake1Dir
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# Check that store symlinks inside a flake are not interpreted as flakes.
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nix build -o $flake1Dir/result git+file://$flake1Dir
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nix path-info $flake1Dir/result
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# 'getFlake' on an unlocked flakeref should fail in pure mode, but
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# succeed in impure mode.
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(! nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"$flake1Dir\").packages.$system.default")
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nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"$flake1Dir\").packages.$system.default" --impure
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# 'getFlake' on a locked flakeref should succeed even in pure mode.
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nix build -o $TEST_ROOT/result --expr "(builtins.getFlake \"git+file://$flake1Dir?rev=$hash2\").packages.$system.default"
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# Building a flake with an unlocked dependency should fail in pure mode.
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(! nix build -o $TEST_ROOT/result flake2#bar --no-registries)
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(! nix build -o $TEST_ROOT/result flake2#bar --no-use-registries)
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(! nix eval --expr "builtins.getFlake \"$flake2Dir\"")
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# But should succeed in impure mode.
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(! nix build -o $TEST_ROOT/result flake2#bar --impure)
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nix build -o $TEST_ROOT/result flake2#bar --impure --no-write-lock-file
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nix eval --expr "builtins.getFlake \"$flake2Dir\"" --impure
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# Building a local flake with an unlocked dependency should fail with --no-update-lock-file.
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expect 1 nix build -o $TEST_ROOT/result $flake2Dir#bar --no-update-lock-file 2>&1 | grep 'requires lock file changes'
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# But it should succeed without that flag.
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nix build -o $TEST_ROOT/result $flake2Dir#bar --no-write-lock-file
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expect 1 nix build -o $TEST_ROOT/result $flake2Dir#bar --no-update-lock-file 2>&1 | grep 'requires lock file changes'
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nix build -o $TEST_ROOT/result $flake2Dir#bar --commit-lock-file
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[[ -e $flake2Dir/flake.lock ]]
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[[ -z $(git -C $flake2Dir diff main || echo failed) ]]
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# Rerunning the build should not change the lockfile.
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nix build -o $TEST_ROOT/result $flake2Dir#bar
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[[ -z $(git -C $flake2Dir diff main || echo failed) ]]
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# Building with a lockfile should not require a fetch of the registry.
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nix build -o $TEST_ROOT/result --flake-registry file:///no-registry.json $flake2Dir#bar --refresh
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nix build -o $TEST_ROOT/result --no-registries $flake2Dir#bar --refresh
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nix build -o $TEST_ROOT/result --no-use-registries $flake2Dir#bar --refresh
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# Updating the flake should not change the lockfile.
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nix flake lock $flake2Dir
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[[ -z $(git -C $flake2Dir diff main || echo failed) ]]
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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 flake2#bar
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# Or without a registry.
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nix build -o $TEST_ROOT/result --no-registries git+file://$flake2Dir#bar --refresh
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nix build -o $TEST_ROOT/result --no-use-registries git+file://$flake2Dir#bar --refresh
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# Test whether indirect dependencies work.
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nix build -o $TEST_ROOT/result $flake3Dir#xyzzy
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git -C $flake3Dir add flake.lock
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# Add dependency to flake3.
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rm $flake3Dir/flake.nix
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cat > $flake3Dir/flake.nix <<EOF
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{
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description = "Fnord";
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outputs = { self, flake1, flake2 }: rec {
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packages.$system.xyzzy = flake2.packages.$system.bar;
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packages.$system."sth sth" = flake1.packages.$system.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 $flake3Dir#"sth sth"
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nix build -o $TEST_ROOT/result $flake3Dir#"sth%20sth"
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# Check whether it saved the lockfile
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[[ -n $(git -C $flake3Dir diff master) ]]
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git -C $flake3Dir add flake.lock
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git -C $flake3Dir commit -m 'Add lockfile'
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# Test whether registry caching works.
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nix registry list --flake-registry file://$registry | grepQuiet flake3
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mv $registry $registry.tmp
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nix store gc
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nix registry list --flake-registry file://$registry --refresh | grepQuiet 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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# FIXME: use tarballs rather than git.
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rm -rf $TEST_HOME/.cache
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nix store gc # get rid of copies in the store to ensure they get fetched to our git cache
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_NIX_FORCE_HTTP=1 nix build -o $TEST_ROOT/result git+file://$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_FORCE_HTTP=1 nix build -o $TEST_ROOT/result git+file://$flake2Dir#bar
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_NIX_FORCE_HTTP=1 nix build -o $TEST_ROOT/result git+file://$flake2Dir#bar --refresh
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mv $flake1Dir.tmp $flake1Dir
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mv $flake2Dir.tmp $flake2Dir
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# Add nonFlakeInputs to flake3.
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rm $flake3Dir/flake.nix
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs = {
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flake1 = {};
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flake2 = {};
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nonFlake = {
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url = git+file://$nonFlakeDir;
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flake = false;
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};
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nonFlakeFile = {
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url = path://$nonFlakeDir/README.md;
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flake = false;
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};
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nonFlakeFile2 = {
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url = "$nonFlakeDir/README.md";
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flake = false;
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};
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};
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description = "Fnord";
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outputs = inputs: rec {
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packages.$system.xyzzy = inputs.flake2.packages.$system.bar;
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packages.$system.sth = inputs.flake1.packages.$system.foo;
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packages.$system.fnord =
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with import ./config.nix;
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mkDerivation {
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inherit system;
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name = "fnord";
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dummy = builtins.readFile (builtins.path { name = "source"; path = ./.; filter = path: type: baseNameOf path == "config.nix"; } + "/config.nix");
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dummy2 = builtins.readFile (builtins.path { name = "source"; path = inputs.flake1; filter = path: type: baseNameOf path == "simple.nix"; } + "/simple.nix");
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buildCommand = ''
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cat \${inputs.nonFlake}/README.md > \$out
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[[ \$(cat \${inputs.nonFlake}/README.md) = \$(cat \${inputs.nonFlakeFile}) ]]
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[[ \${inputs.nonFlakeFile} = \${inputs.nonFlakeFile2} ]]
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'';
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};
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};
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}
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EOF
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cp ../config.nix $flake3Dir
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git -C $flake3Dir add flake.nix config.nix
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git -C $flake3Dir commit -m 'Add nonFlakeInputs'
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# Check whether `nix build` works with a lockfile which is missing a
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# nonFlakeInputs.
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nix build -o $TEST_ROOT/result $flake3Dir#sth --commit-lock-file
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nix build -o $TEST_ROOT/result flake3#fnord
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[[ $(cat $TEST_ROOT/result) = FNORD ]]
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# Check whether flake input fetching is lazy: flake3#sth does not
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# depend on flake2, so this shouldn't fail.
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rm -rf $TEST_HOME/.cache
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clearStore
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mv $flake2Dir $flake2Dir.tmp
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mv $nonFlakeDir $nonFlakeDir.tmp
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nix build -o $TEST_ROOT/result flake3#sth
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(! nix build -o $TEST_ROOT/result flake3#xyzzy)
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(! nix build -o $TEST_ROOT/result flake3#fnord)
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mv $flake2Dir.tmp $flake2Dir
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mv $nonFlakeDir.tmp $nonFlakeDir
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nix build -o $TEST_ROOT/result flake3#xyzzy flake3#fnord
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# Test doing multiple `lookupFlake`s
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nix build -o $TEST_ROOT/result flake4#xyzzy
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# Test 'nix flake update' and --override-flake.
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nix flake lock $flake3Dir
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[[ -z $(git -C $flake3Dir diff master || echo failed) ]]
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nix flake update $flake3Dir --override-flake flake2 nixpkgs
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[[ ! -z $(git -C $flake3Dir diff master || echo failed) ]]
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# Make branch "removeXyzzy" where flake3 doesn't have xyzzy anymore
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git -C $flake3Dir checkout -b removeXyzzy
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rm $flake3Dir/flake.nix
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs = {
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nonFlake = {
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url = "$nonFlakeDir";
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flake = false;
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};
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};
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description = "Fnord";
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outputs = { self, flake1, flake2, nonFlake }: rec {
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packages.$system.sth = flake1.packages.$system.foo;
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packages.$system.fnord =
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with import ./config.nix;
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mkDerivation {
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inherit system;
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name = "fnord";
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buildCommand = ''
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cat \${nonFlake}/README.md > \$out
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'';
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};
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};
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}
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EOF
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nix flake lock $flake3Dir
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git -C $flake3Dir add flake.nix flake.lock
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git -C $flake3Dir commit -m 'Remove packages.xyzzy'
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git -C $flake3Dir checkout master
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# Test whether fuzzy-matching works for registry entries.
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(! nix build -o $TEST_ROOT/result flake4/removeXyzzy#xyzzy)
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nix build -o $TEST_ROOT/result flake4/removeXyzzy#sth
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# Testing the nix CLI
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nix registry add flake1 flake3
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[[ $(nix registry list | wc -l) == 6 ]]
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nix registry pin flake1
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[[ $(nix registry list | wc -l) == 6 ]]
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nix registry pin flake1 flake3
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[[ $(nix registry list | wc -l) == 6 ]]
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nix registry remove flake1
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[[ $(nix registry list | wc -l) == 5 ]]
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# Test 'nix registry list' with a disabled global registry.
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nix registry add user-flake1 git+file://$flake1Dir
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nix registry add user-flake2 git+file://$flake2Dir
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[[ $(nix --flake-registry "" registry list | wc -l) == 2 ]]
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nix --flake-registry "" registry list | grepQuietInverse '^global' # nothing in global registry
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nix --flake-registry "" registry list | grepQuiet '^user'
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nix registry remove user-flake1
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nix registry remove user-flake2
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[[ $(nix registry list | wc -l) == 5 ]]
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# Test 'nix flake clone'.
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rm -rf $TEST_ROOT/flake1-v2
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nix flake clone flake1 --dest $TEST_ROOT/flake1-v2
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[ -e $TEST_ROOT/flake1-v2/flake.nix ]
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# Test 'follows' inputs.
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs.foo = {
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type = "indirect";
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id = "flake1";
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};
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inputs.bar.follows = "foo";
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outputs = { self, foo, bar }: {
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};
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}
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EOF
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nix flake lock $flake3Dir
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[[ $(jq -c .nodes.root.inputs.bar $flake3Dir/flake.lock) = '["foo"]' ]]
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs.bar.follows = "flake2/flake1";
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outputs = { self, flake2, bar }: {
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};
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}
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EOF
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nix flake lock $flake3Dir
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[[ $(jq -c .nodes.root.inputs.bar $flake3Dir/flake.lock) = '["flake2","flake1"]' ]]
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs.bar.follows = "flake2";
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outputs = { self, flake2, bar }: {
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};
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}
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EOF
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nix flake lock $flake3Dir
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[[ $(jq -c .nodes.root.inputs.bar $flake3Dir/flake.lock) = '["flake2"]' ]]
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# Test overriding inputs of inputs.
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writeTrivialFlake $flake7Dir
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git -C $flake7Dir add flake.nix
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git -C $flake7Dir commit -m 'Initial'
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs.flake2.inputs.flake1 = {
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type = "git";
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url = file://$flake7Dir;
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};
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outputs = { self, flake2 }: {
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};
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}
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EOF
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nix flake lock $flake3Dir
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[[ $(jq .nodes.flake1.locked.url $flake3Dir/flake.lock) =~ flake7 ]]
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cat > $flake3Dir/flake.nix <<EOF
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{
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inputs.flake2.inputs.flake1.follows = "foo";
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inputs.foo.url = git+file://$flake7Dir;
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outputs = { self, flake2 }: {
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};
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}
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EOF
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nix flake update $flake3Dir
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[[ $(jq -c .nodes.flake2.inputs.flake1 $flake3Dir/flake.lock) =~ '["foo"]' ]]
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[[ $(jq .nodes.foo.locked.url $flake3Dir/flake.lock) =~ flake7 ]]
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# Test git+file with bare repo.
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rm -rf $flakeGitBare
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git clone --bare $flake1Dir $flakeGitBare
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nix build -o $TEST_ROOT/result git+file://$flakeGitBare
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# Test path flakes.
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mkdir -p $flake5Dir
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writeDependentFlake $flake5Dir
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nix flake lock path://$flake5Dir
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# Test tarball flakes.
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tar cfz $TEST_ROOT/flake.tar.gz -C $TEST_ROOT flake5
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nix build -o $TEST_ROOT/result file://$TEST_ROOT/flake.tar.gz
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# Building with a tarball URL containing a SRI hash should also work.
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url=$(nix flake metadata --json file://$TEST_ROOT/flake.tar.gz | jq -r .url)
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[[ $url =~ sha256- ]]
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nix build -o $TEST_ROOT/result $url
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# Building with an incorrect SRI hash should fail.
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expectStderr 102 nix build -o $TEST_ROOT/result "file://$TEST_ROOT/flake.tar.gz?narHash=sha256-qQ2Zz4DNHViCUrp6gTS7EE4+RMqFQtUfWF2UNUtJKS0=" | grep 'NAR hash mismatch'
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|
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# Test --override-input.
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git -C $flake3Dir reset --hard
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nix flake lock $flake3Dir --override-input flake2/flake1 file://$TEST_ROOT/flake.tar.gz -vvvvv
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[[ $(jq .nodes.flake1_2.locked.url $flake3Dir/flake.lock) =~ flake.tar.gz ]]
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nix flake lock $flake3Dir --override-input flake2/flake1 flake1
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[[ $(jq -r .nodes.flake1_2.locked.rev $flake3Dir/flake.lock) =~ $hash2 ]]
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|
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nix flake lock $flake3Dir --override-input flake2/flake1 flake1/master/$hash1
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[[ $(jq -r .nodes.flake1_2.locked.rev $flake3Dir/flake.lock) =~ $hash1 ]]
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|
|
|
# Test --update-input.
|
|
nix flake lock $flake3Dir
|
|
[[ $(jq -r .nodes.flake1_2.locked.rev $flake3Dir/flake.lock) = $hash1 ]]
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|
|
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nix flake lock $flake3Dir --update-input flake2/flake1
|
|
[[ $(jq -r .nodes.flake1_2.locked.rev $flake3Dir/flake.lock) =~ $hash2 ]]
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|
|
|
# Test 'nix flake metadata --json'.
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|
nix flake metadata $flake3Dir --json | jq .
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|
|
|
# Test flake in store does not evaluate.
|
|
rm -rf $badFlakeDir
|
|
mkdir $badFlakeDir
|
|
echo INVALID > $badFlakeDir/flake.nix
|
|
nix store delete $(nix store add-path $badFlakeDir)
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|
|
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[[ $(nix path-info $(nix store add-path $flake1Dir)) =~ flake1 ]]
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[[ $(nix path-info path:$(nix store add-path $flake1Dir)) =~ simple ]]
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|
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# Test fetching flakerefs in the legacy CLI.
|
|
[[ $(nix-instantiate --eval flake:flake3 -A x) = 123 ]]
|
|
[[ $(nix-instantiate --eval flake:git+file://$flake3Dir -A x) = 123 ]]
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|
[[ $(nix-instantiate -I flake3=flake:flake3 --eval '<flake3>' -A x) = 123 ]]
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[[ $(NIX_PATH=flake3=flake:flake3 nix-instantiate --eval '<flake3>' -A x) = 123 ]]
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