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Author SHA1 Message Date
Eelco Dolstra 671f16aee0
Merge pull request #2920 from NixOS/lazy-flakes 
Lazy flake input fetching
 2019-06-06 12:28:20 +02:00
Matthew Bauer 5011a52cf3 Just enable hack on macOS 
This is not needed on linux at all! Tried to explain as much as I
understand with the problem.
 2019-06-05 20:20:50 -04:00
Eelco Dolstra 54aff8430c
Move flake-related stuff to src/libexpr/flake 2019-06-05 16:51:54 +02:00
Matthew Bauer 4a3e96281d Handle SIGWINCH in main thread 
For the SIGWINCH signal to be caught, it needs to be set in sigaction
on the main thread. Previously, this was broken, and updateWindowSize
was never being called. Tested on macOS 10.14.
 2019-06-05 00:40:45 -04:00
Eelco Dolstra 1b05792988
Shorter syntax for referencing flake outputs 
Fixes #2819.
 2019-06-04 22:35:43 +02:00
Eelco Dolstra ce225615c3
Eliminate duplicate fetching of the top-level flake 2019-06-04 21:10:53 +02:00
Eelco Dolstra 087530dec4
Add comments 2019-06-04 21:07:55 +02:00
Eelco Dolstra 4d31cf83f2
Update flake.lock 2019-06-04 20:57:18 +02:00
Eelco Dolstra 1e53a07712
Make non-flake inputs lazy 
Also add a proper test for non-flake inputs.
 2019-06-04 20:56:42 +02:00
Eelco Dolstra 1c5067b9a7
Check hash 2019-06-04 20:35:35 +02:00
Eelco Dolstra 45b5c606ac
Don't register invalid paths as GC roots 
Unfortunately this doesn't work. Maybe we should keep separate roots
for each path.
 2019-06-04 20:34:08 +02:00
Eelco Dolstra 4ec1a9ab40
Fix test 2019-06-04 20:33:49 +02:00
Eelco Dolstra 5fe7be2409
Rename dep -> input 
Also use nlohmann::json range-based for.
 2019-06-04 20:08:13 +02:00
Eelco Dolstra 9e99b5205c
Move LockFile and related types to a separate file 2019-06-04 20:01:21 +02:00
Eelco Dolstra 278114d559
Fix GC closure generation 2019-06-04 19:45:16 +02:00
Eelco Dolstra 6dbd5c26e6
Make flake input fetching lazy 
As long as the flake input is locked, it is now only fetched when it
is evaluated (e.g. "nixpkgs" is fetched when
"inputs.nixpkgs.<something>" is evaluated).

This required adding an "id" attribute to the members of "inputs" in
lockfiles, e.g.

  "inputs": {
    "nixpkgs/release-19.03": {
      "id": "nixpkgs",
      "inputs": {},
      "narHash": "sha256-eYtxncIMFVmOHaHBtTdPGcs/AnJqKqA6tHCm0UmPYQU=",
      "nonFlakeInputs": {},
      "uri": "github:edolstra/nixpkgs/e9d5882bb861dc48f8d46960e7c820efdbe8f9c1"
    }
  }

because the flake ID needs to be known beforehand to construct the
"inputs" attrset.

Fixes #2913.
 2019-06-04 19:17:03 +02:00
Eelco Dolstra fb0ad898ed
Merge pull request #2918 from JorisE/patch-1 
Minor typo
 2019-06-04 14:38:52 +02:00
JorisE 4b0d613383
Minor typo 2019-06-04 14:12:03 +02:00
Eelco Dolstra c7c562416c
shell.nix: Use clang by default 
Clang compiles faster (121s vs 156s for GCC 7) so it's a bit nicer for
development.
 2019-06-04 13:44:12 +02:00
Eelco Dolstra 653c4e439b
Fix clang compilation error 
https://hydra.nixos.org/build/94332344

https://stackoverflow.com/questions/46114214/lambda-implicit-capture-fails-with-variable-declared-from-structured-binding
 2019-06-03 21:51:06 +02:00
Eelco Dolstra 412684f9dc
Merge pull request #2914 from CSVdB/finegrainedEpochs 
Made epochs more fine-grained
 2019-06-03 15:36:43 +02:00
Nick Van den Broeck d9a6a75ed2 Made epochs more fine-grained 
Fixes #2894
 2019-06-03 14:47:47 +02:00
Eelco Dolstra 507c150034
Merge pull request #2909 from NixOS/flake-apps 
Add 'nix app' command
 2019-06-03 09:34:36 +02:00
Eelco Dolstra 5fbd9fee0b
Add 'nix app' command 
This is like 'nix run', except that the command to execute is defined
in a flake output, e.g.

  defaultApp = {
    type = "app";
    program = "${packages.blender_2_80}/bin/blender";
  };

Thus you can do

  $ nix app blender-bin

to start Blender from the 'blender-bin' flake.

In the future, we can extend this with sandboxing. (For example we
would want to be able to specify that Blender should not have network
access by default and should only have access to certain paths in the
user's home directory.)
 2019-06-03 09:27:03 +02:00
Eelco Dolstra fb692e5f7b
Bindings: Add convenience method for requiring an attribute 2019-06-03 09:27:03 +02:00
Eelco Dolstra a2f86ac647
Merge remote-tracking branch 'origin/master' into flakes 2019-06-03 09:22:19 +02:00
Eelco Dolstra 95bdfaa8bd
Merge pull request #2907 from NixOS/subdir 
Subdirectory improvements
 2019-06-03 09:21:31 +02:00
Eelco Dolstra aec545c20b Fix segfault in builtin fetchurl with hashed mirrors + SRI hashes 2019-06-01 15:27:43 +02:00
Eelco Dolstra 5450af5d0d
Merge pull request #2910 from worldofpeace/funding 
Add .github/FUNDING.yml
 2019-06-01 09:56:48 +02:00
worldofpeace 2d34028b1e Add .github/FUNDING.yml 2019-05-31 22:19:46 -04:00
Eelco Dolstra 15f241775a
Doh 2019-05-31 23:21:53 +02:00
Eelco Dolstra 8cb3bbd504
Fix handling of bare flakerefs containing a colon 2019-05-31 22:17:39 +02:00
Eelco Dolstra 8abb8647a3
Automatically determine subdir for path flakes 
This means that in a flake in a subdirectory of a Git repo, you can
now do

  $ nix build

rather than the inconvenient

  $ nix build ../..?dir=foo/bar
 2019-05-31 21:52:02 +02:00
Eelco Dolstra ccb1bad612
Allow bare flakerefs as installables 
So now

  $ nix build blender-bin

works and builds the default package from that flake. You don't need
to add a colon at the end anymore.
 2019-05-31 21:42:23 +02:00
Eelco Dolstra 7adb10d29b
Fix reading the lockfile of a flake in a subdirectory 2019-05-31 20:12:59 +02:00
Eelco Dolstra 9169046e64
Add operator << for LockFile 
Useful for debugging.
 2019-05-31 20:10:56 +02:00
Eelco Dolstra b971e406de
Support 'dir' and other parameters in path flakerefs 2019-05-31 19:01:11 +02:00
Eelco Dolstra 63c5c91cc0
Show hash mismatch warnings in SRI format 2019-05-31 18:48:28 +02:00
Eelco Dolstra 134942f56a
Merge pull request #2904 from NixOS/flake-terminology 
Rename requires -> inputs, provides -> outputs
 2019-05-31 10:00:51 +02:00
Eelco Dolstra 094539ef4a
Rename requires -> inputs, provides -> outputs 
Issue #2828.
 2019-05-31 09:59:48 +02:00
Eelco Dolstra 65e88694c2
Merge pull request #2903 from NixOS/check-flake 
Add "nix flake check"
 2019-05-31 09:57:04 +02:00
Eelco Dolstra 2b62928905
Merge pull request #2905 from ln-nl/patch-1 
release-common: fix build with `config.allowAliases = false`
 2019-05-31 09:56:47 +02:00
ln-nl 3b1cc8b0cb
release-common: fix build with config.allowAliases = false 
```sh
> nix build -f release.nix build.x86_64-linux
error: undefined variable 'docbook5_xsl' at /vcs/nix/release-common.nix:45:7
```
 2019-05-30 18:08:33 +03:00
Eelco Dolstra d8abee9bc6
Merge pull request #2892 from johannes-climacus/master 
Replace `type` with `command -v` in install script
 2019-05-30 14:15:23 +02:00
Eelco Dolstra 49436bdbb7
nix flake info --json: List the "provides" 
It also lists the contents of "checks" and "packages".

For example:

  $ nix flake info --json | jq
  {
    "branch": "HEAD",
    "description": "The purely functional package manager",
    "epoch": 2019,
    "id": "nix",
    "lastModified": 1559161142,
    "path": "/nix/store/2w2qla8735dbxah8gai8r1nsbf5x4f5d-source",
    "provides": {
      "checks": {
        "binaryTarball": {},
        "nix-copy-closure": {},
        "perlBindings": {},
        "remoteBuilds": {},
        "setuid": {}
      },
      "defaultPackage": {},
      "devShell": {},
      "hydraJobs": {},
      "packages": {
        "nix": {},
        "nix-perl-bindings": {}
      }
    },
    "revCount": 6955,
    "revision": "8cb24e04e8b6cc60e2504733afe78e0eadafcd98",
    "uri": "/home/eelco/Dev/nix"
  }

Fixes #2820.
 2019-05-29 22:22:28 +02:00
Eelco Dolstra 3488fa7c6c
Hack: Use legacyPackages from Nixpkgs 
Nixpkgs doesn't provide a clean "packages" set yet, so until that's
the case, look for packages in "legacyPackages" as well.
 2019-05-29 22:22:28 +02:00
Eelco Dolstra b70fc8f30c
flake.nix: Add more checks 2019-05-29 22:22:28 +02:00
Eelco Dolstra a9d3524e1f
nix flake check: Use read-only mode if we're not building 2019-05-29 21:00:44 +02:00
Eelco Dolstra 0e32b32fa3
nix flake check: Check defaultPackage, devShell and packages 2019-05-29 20:57:08 +02:00
Eelco Dolstra e0aaf05f4f
Add 'nix flake check' command 
This evaluates all the 'provides' of a flake and builds the 'check'
attributes.
 2019-05-29 17:25:41 +02:00