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35 commits

Author SHA1 Message Date
Peter Becich a420ccc6a8
nix flake check: skip derivations for foreign systems (#7759)
`nix flake show` now skips derivations for foreign systems: https://github.com/NixOS/nix/pull/6988

This commit borrows from that to implement the same behavior for `nix flake check`.

See "nix flake check breaks on IFD in multi-platform flake" https://github.com/NixOS/nix/issues/4265
2023-05-23 06:59:44 +02:00
John Ericson d2162e7acd Make more string values work as installables
As discussed in #7417, it would be good to make more string values work
as installables. That is to say, if an installable refers to a value,
and the value is a string, it used to not work at all, since #7484, it
works somewhat, and this PR make it work some more.

The new cases that are added for `BuiltPath` contexts:

- Fixed input- or content-addressed derivation:

  ```
  nix-repl> hello.out.outPath
  "/nix/store/jppfl2bp1zhx8sgs2mgifmsx6dv16mv2-hello-2.12"

  nix-repl> :p builtins.getContext hello.out.outPath
  { "/nix/store/c7jrxqjhdda93lhbkanqfs07x2bzazbm-hello-2.12.drv" = { outputs = [ "out" ]; }; }

  The string matches the specified single output of that derivation, so
  it should also be valid.

- Floating content-addressed derivation:

  ```
  nix-repl> (hello.overrideAttrs (_: { __contentAddressed = true; })).out.outPath
  "/1a08j26xqc0zm8agps8anxpjji410yvsx4pcgyn4bfan1ddkx2g0"

  nix-repl> :p builtins.getContext (hello.overrideAttrs (_: { __contentAddressed = true; })).out.outPath
  { "/nix/store/qc645pyf9wl37c6qvqzaqkwsm1gp48al-hello-2.12.drv" = { outputs = [ "out" ]; }; }
  ```

  The string is not a path but a placeholder, however it also matches
  the context, and because it is a CA derivation we have no better
  option. This should also be valid.

We may also want to think about richer attrset based values (also
discussed in that issue and #6507), but this change "completes" our
string-based building blocks, from which the others can be desugared
into or at least described/document/taught in terms of.

Progress towards #7417

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-05-15 09:03:38 -04:00
Eelco Dolstra 81491e1379
Merge pull request #8042 from lheckemann/alt-lockfiles
Allow specifying alternative paths for reading/writing flake locks
2023-04-03 19:28:09 +02:00
Robert Hensing 6b87c6577f
tests/flakes/show.sh: Broaden requirement comment 2023-03-27 05:11:23 +02:00
oxalica 2941a599fa Catch eval errors in hasContent
`legacyPackages` of nixpkgs trigger eval errors in `hasContent`, causing
the whole `legacyPackages` being skipped. We should treat it as
has-content in that case.
2023-03-26 23:05:29 +08:00
Linus Heckemann 3c3bd0767f Create test lockfiles in TEST_ROOT 2023-03-19 14:14:30 +01:00
Linus Heckemann ea207a2eed Add tests for alternate lockfile path functionality 2023-03-19 14:11:19 +01:00
Robert Hensing bf0c8c34e7
tests/flake-in-submodule: Remove unnecessary rm -rf 2023-03-18 14:39:38 +01:00
Josef Kemetmüller f9c24d67b9 Add a test with flake.nix in a submodule
I noticed a regression in the lazy-trees branch, which I'm trying to
capture with this test. While the tests succeeds in master, the
lazy-trees branch gives the following error message:

    error: access to path
    '/build/nix-test/tests/flakes/flake-in-submodule/rootRepo/submodule/flake.nix'
    is forbidden because it is not under Git control; maybe you should
    'git add' it to the repository
    '/build/nix-test/tests/flakes/flake-in-submodule/rootRepo'?
2023-03-17 22:10:28 +01:00
John Ericson bfb9eb87fe Cleanup test skipping
- Try not to put cryptic "99" in many places

  Factor out `exit 99` into `skipTest` function

- Alows make sure skipping a test is done with a reason

  `skipTest` takes a mandatory argument

- Separate pure conditionals vs side-effectful test skipping.

  "require daemon" already had this, but "sandbox support" did not.
2023-03-16 18:43:03 -04:00
John Ericson c11836126b Harden tests' bash
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>
2023-03-08 10:26:30 -05:00
Robert Hensing 5d834c40d0 flakes: Differentiate self.outPath and self.sourceInfo.outPath
It would be incorrect to say that the `sourceInfo` has an `outPath`
that isn't the root. `sourceInfo` is about the root, whereas only
the flake may not be about the root. Thanks Eelco for pointing that
out.
2023-02-22 03:31:24 +01:00
Robert Hensing 904a107d16 flakes: Ensure that self.outPath == ./.
Users expect `self` to refer to the directory where the `flake.nix`
file resides.
2023-02-22 03:30:47 +01:00
Robert Hensing 60d48eda23 nix flake show: Ignore empty attrsets
For frameworks it's important that structures are as lazy as possible
to prevent infinite recursions, performance issues and errors that
aren't related to the thing to evaluate. As a consequence, they have
to emit more attributes than strictly (sic) necessary.
However, these attributes with empty values are not useful to the user
so we omit them.
2023-01-31 18:20:26 +01:00
Théophane Hufschmitt 3ac9f1658a Fix the flakes init test
Things leading to another...
2023-01-30 11:21:52 +01:00
Théophane Hufschmitt bc6e65e26f Fix the flakes/show test
Don't hardcode “x86_64-linux” as this won't work too nicely on other
platforms
2023-01-30 10:44:10 +01:00
Théophane Hufschmitt 79c084cb59 Add a test for nix flake show 2023-01-27 10:15:49 +01:00
Eelco Dolstra 8e923bf4c5 Merge remote-tracking branch 'origin/master' into fix-7417 2023-01-10 14:35:06 +01:00
Naïm Favier f1ee4ece80
Don't check NixOS modules
NixOS modules can be paths. Rather than dig further down into the layer
violation, don't check anything specific to NixOS modules.
2023-01-05 18:23:30 +01:00
Eelco Dolstra 5c97b5a398 InstallableFlake::toDerivedPaths(): Support paths and store paths
This makes 'nix build' work on paths (which will be copied to the
store) and store paths (returned as is). E.g. the following flake
output attributes can be built using 'nix build .#foo':

  foo = ./src;
  foo = self.outPath;
  foo = builtins.fetchTarball { ... };
  foo = (builtins.fetchTree { .. }).outPath;
  foo = builtins.fetchTree { .. } + "/README.md";
  foo = builtins.storePath /nix/store/...;

Note that this is potentially risky, e.g.

  foo = /.;

will cause Nix to try to copy the entire file system to the store.

What doesn't work yet:

  foo = self;
  foo = builtins.fetchTree { .. };

because we don't handle attrsets with an outPath attribute in it yet,
and

  foo = builtins.storePath /nix/store/.../README.md;

since result symlinks have to point to a store path currently (rather
than a file inside a store path).

Fixes #7417.
2022-12-20 15:11:44 +01:00
Benoit de Chezelles a456630a5a Allow to disable global flake-registry with "" 2022-12-12 15:32:02 +01:00
Eelco Dolstra fd0ed75118 Support flake references in the old CLI
Fixes #7026.
2022-12-12 14:05:52 +01:00
Eelco Dolstra 703d863a48 Trivial changes from the lazy-trees branch 2022-12-07 14:06:34 +01:00
Eelco Dolstra a8b3d777fb Revert "Merge pull request #6621 from Kha/nested-follows"
This reverts commit c530cda345, reversing
changes made to 4adcdff5c1.
2022-09-01 15:26:19 +02:00
Sebastian Ullrich 6f65c11780 Fix overlapping flake follows 2022-08-28 11:50:25 +02:00
Sebastian Ullrich 2b9d381301 Fix nested flake input overrides 2022-08-28 11:47:25 +02:00
Eelco Dolstra b15c4fdbde Split off 'nix flake check' tests 2022-07-13 21:01:16 +02:00
Eelco Dolstra 752158a8ef Move flake-searching.sh and make it less dependent on git 2022-07-13 20:55:17 +02:00
Eelco Dolstra 6ba45f81a8 Move flake-local-settings.sh 2022-07-13 20:51:28 +02:00
Eelco Dolstra 7abcafcfea Move the 'nix bundle' tests
Note: these were previously not actually called.
2022-07-13 20:49:07 +02:00
Eelco Dolstra d16f1070f4 Split off following paths tests 2022-07-13 20:46:22 +02:00
Eelco Dolstra a094259d35 Split off 'nix flake init' tests 2022-07-13 20:37:40 +02:00
Eelco Dolstra f011c269c9 Split off the circular flake import tests 2022-07-13 20:37:32 +02:00
Eelco Dolstra c591efafd3 Split off the Mercurial flake tests 2022-07-13 15:06:57 +02:00
Eelco Dolstra 420957e149 Move flakes tests to a subdirectory 2022-07-13 15:06:54 +02:00