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Author SHA1 Message Date
Eelco Dolstra 890df325c7
fetchTree: Use a feature flag 2020-02-20 13:36:16 +01:00
Maximilian Bosch c169ea5904
builtins.fetchGit: Fix build when fetching a git worktree
Worktrees[1] are a feature of git which allow you to check out a ref in
a different directory.

While playing around with flakes I realized that git repositories in a
worktree checkout break when trying to build a flake:

```
$ git worktree add ../nixpkgs-flakes nixpkgs-flakes
$ cd ../nixpkgs-flakes
$ nix build .#hello
error: opening directory '/home/ma27/Projects/nixpkgs-flakes/.git/refs/heads': Not a directory
```

This issue has been fixed by determining with `git rev-parse --git-common-dir`
where the actual `.git` directory is.

Please note that this issue only exists on the `flakes` branch, fetching
worktree checkouts with Nix master seems to work fine.

[1] https://git-scm.com/docs/git-worktree
2020-02-19 14:00:36 +01:00
Eelco Dolstra 9659940659 Test narHash mismatch 2020-02-12 10:33:52 +01:00
Eelco Dolstra 26dacc0983 Add fetchTree builtin function
This allows all supported fetchers to be used, e.g.

  builtins.fetchTree {
    type = "github";
    owner = "NixOS";
    repo = "nix";
    rev = "d4df99a3349cf2228a8ee78dea320afef86eb3ba";
  }
2020-02-11 23:53:46 +01:00
Eelco Dolstra 379852a152 Registry: Use attr notation instead of URLs 2020-02-06 14:27:31 +01:00
Eelco Dolstra 9d7fb62db6 Add option --commit-lock-file 2020-02-05 14:48:49 +01:00
Eelco Dolstra d5334c466b
Automatically do git/hg add on flake.lock 2020-02-02 16:33:22 +01:00
Eelco Dolstra a9ebc3ea5d
Remove the git+ and hg+ prefixes from structured input refs 2020-02-02 13:06:00 +01:00
Eelco Dolstra 90ada8e31a
--tarball-ttl 0 -> --refresh 2020-02-02 12:47:21 +01:00
Eelco Dolstra 94a94da075
Substitute flake inputs
This improves reproducibility and may be faster than fetching from the
original source (especially for git/hg inputs, but probably also for
github inputs - our binary cache is probably faster than GitHub's
dynamically generated tarballs).

Unfortunately this doesn't work for the top-level flake since even if
we know the NAR hash of the tree, we don't know the other tree
attributes such as revCount and lastModified.

Fixes .
2020-02-02 12:41:23 +01:00
Eelco Dolstra b270869466
Renamed ref / resolvedRef -> lockedRef 2020-02-02 00:06:59 +01:00
Eelco Dolstra 5d70b454be
nix flake update: Imply --refresh 2020-02-01 12:30:49 +01:00
Eelco Dolstra 9640208d00
Fix test
https://hydra.nixos.org/build/111166467
2020-02-01 09:30:55 +01:00
Eelco Dolstra 54037f4e2d Allow flake input specification via attributes rather than a URL
E.g.

  inputs.dwarffs = {
    type = "github";
    owner = "edolstra";
    repo = "dwarffs";
  };

rather than

  inputs.dwarffs.url = github:edolstra/dwarffs;
2020-01-31 20:50:46 +01:00
Eelco Dolstra 8414685c0f Change lock file format to use an attribute representation of flake refs rather than URLs 2020-01-31 19:16:40 +01:00
Eelco Dolstra dbefe9e6b8 Fix test
https://hydra.nixos.org/build/111146865
2020-01-31 14:55:37 +01:00
Eelco Dolstra e91f32f2b5 Use light box drawing symbols 2020-01-31 14:09:27 +01:00
Eelco Dolstra 678301072f nix flake list-inputs: Pretty-print the tree 2020-01-31 14:09:27 +01:00
Eelco Dolstra a6e2b6b360 nix flake deps -> nix flake list-inputs
Also add a --json flag.
2020-01-31 13:00:50 +01:00
Eelco Dolstra b9fb372075 Add --update-input flag to update a specific flake input
Typical usage:

  $ nix flake update ~/Misc/eelco-configurations/hagbard --update-input nixpkgs

to update the 'nixpkgs' input of a flake while leaving every other
input unchanged.

The argument is an input path, so you can do e.g. '--update-input
dwarffs/nixpkgs' to update an input of an input.

Fixes .
2020-01-29 23:14:27 +01:00
Eelco Dolstra 26f895a26d Clean up the lock file handling flags
Added a flag --no-update-lock-file to barf if the lock file needs any
changes. This is useful for CI systems if you're building a
checkout. Fixes .

Renamed --no-save-lock-file to --no-write-lock-file. It is now a fatal
error if the lock file needs changes but --no-write-lock-file is not
given.
2020-01-29 21:04:28 +01:00
Eelco Dolstra f68bed7f67 Add flag --override-input to override specific lock file entries
E.g.

  $ nix flake update ~/Misc/eelco-configurations/hagbard \
    --override-input 'dwarffs/nixpkgs' ../my-nixpkgs

overrides the 'nixpkgs' input of the 'dwarffs' input of the top-level
flake.

Fixes .
2020-01-29 18:41:25 +01:00
Eelco Dolstra e53c89a643 Hopefully fix macOS test
https://hydra.nixos.org/build/110879694
2020-01-28 17:36:56 +01:00
Eelco Dolstra 99c8e7a48d Simplify flake tests 2020-01-28 16:34:37 +01:00
Eelco Dolstra 1af7b94c1d Add support for tarball flake inputs
For example,

  $ nix flake info https://github.com/edolstra/dwarffs/archive/master.tar.gz

Fixes .
2020-01-28 13:11:02 +01:00
Eelco Dolstra 5046233b5a Add Mercurial tests 2020-01-27 13:45:49 +01:00
Eelco Dolstra cc22cf662b Respect lock files of inputs + fine-grained lock file control
When computing a lock file, we now respect the lock files of flake
inputs. This is important for usability / reproducibility. For
example, the 'nixops' flake depends on the 'nixops-aws' and
'nixops-hetzner' repositories. So when the 'nixops' flake is used in
another flake, we want the versions of 'nixops-aws' and
'nixops-hetzner' locked by the the 'nixops' flake because those
presumably have been tested.

This can lead to a proliferation of versions of flakes like 'nixpkgs'
(since every flake's lock file could depend on a different version of
'nixpkgs'). This is not a major issue when using Nixpkgs overlays or
NixOS modules, since then the top-level flake composes those
overlays/modules into *its* version of Nixpkgs and all other versions
are ignored. Lock file computation has been made a bit more lazy so it
won't try to fetch all those versions of 'nixpkgs'.

However, in case it's necessary to minimize flake versions, there now
are two input attributes that allow this. First, you can copy an input
from another flake, as follows:

  inputs.nixpkgs.follows = "dwarffs/nixpkgs";

This states that the calling flake's 'nixpkgs' input shall be the same
as the 'nixpkgs' input of the 'dwarffs' input.

Second, you can override inputs of inputs:

  inputs.nixpkgs.url = github:edolstra/nixpkgs/<hash>;
  inputs.nixops.inputs.nixpkgs.url = github:edolstra/nixpkgs/<hash>;

or equivalently, using 'follows':

  inputs.nixpkgs.url = github:edolstra/nixpkgs/<hash>;
  inputs.nixops.inputs.nixpkgs.follows = "nixpkgs";

This states that the 'nixpkgs' input of the 'nixops' input shall be
the same as the calling flake's 'nixpkgs' input.

Finally, at '-v' Nix now prints the changes to the lock file, e.g.

  $ nix flake update ~/Misc/eelco-configurations/hagbard
  inputs of flake 'git+file:///home/eelco/Misc/eelco-configurations?subdir=hagbard' changed:
    updated 'nixpkgs': 'github:edolstra/nixpkgs/7845bf5f4b3013df1cf036e9c9c3a55a30331db9' -> 'github:edolstra/nixpkgs/03f3def66a104a221aac8b751eeb7075374848fd'
    removed 'nixops'
    removed 'nixops/nixops-aws'
    removed 'nixops/nixops-hetzner'
    removed 'nixops/nixpkgs'
2020-01-24 22:05:11 +01:00
Eelco Dolstra b5c9dbc84f Fix --override-flake and add a test 2020-01-22 20:00:58 +01:00
Eelco Dolstra ad6e55d777 Fix GitHub test 2020-01-22 00:25:17 +01:00
Eelco Dolstra b33b94748c Convert fetchMercurial to a input type
This enables Mercurial flakes. It also fixes a bug in pure mode where
you could use a branch/tag name rather than a revision.
2020-01-21 23:49:32 +01:00
Eelco Dolstra 9f4d8c6170 Pluggable fetchers
Flakes are now fetched using an extensible mechanism. Also lots of
other flake cleanups.
2020-01-21 22:56:04 +01:00
Eelco Dolstra 6fadb3fc03 Merge remote-tracking branch 'origin/master' into flakes 2020-01-21 21:18:52 +01:00
Eelco Dolstra aef635da78 Fix derivation computation with __structuredAttrs and multiple outputs
Fixes

  error: derivation '/nix/store/klivma7r7h5lndb99f7xxmlh5whyayvg-zlib-1.2.11.drv' has incorrect output '/nix/store/fv98nnx5ykgbq8sqabilkgkbc4169q05-zlib-1.2.11-dev', should be '/nix/store/adm7pilzlj3z5k249s8b4wv3scprhzi1-zlib-1.2.11-dev'
2020-01-21 21:14:13 +01:00
Nikola Knezevic 52a8f9295b Add support for \u escape in fromJSON
As fromTOML supports \u and \U escapes, bring fromJSON on par. As JSON defaults
to UTF-8 encoding (every JSON parser must support UTF-8), this change parses the
`\u hex hex hex hex` sequence (\u followed by 4 hexadecimal digits) into an
UTF-8 representation.

Add a test to verify correct parsing, using all escape sequences from json.org.
2020-01-07 00:09:58 +01:00
Eelco Dolstra 1dc29df1d3 Merge remote-tracking branch 'origin/master' into flakes 2020-01-06 12:43:07 +01:00
edef c65a6fa86a passAsFile: leave out the hash prefix
Having a colon in the path may cause issues, and having the hash
function indicated isn't actually necessary. We now verify the path 
format in the tests to prevent regressions.
2020-01-02 23:56:06 +00:00
Eelco Dolstra dbb4bec003 Fix tests.githubFlakes 2019-12-18 14:38:02 +01:00
Eelco Dolstra 87873d0d65 Merge remote-tracking branch 'origin/master' into flakes 2019-12-18 14:25:25 +01:00
Eelco Dolstra ad6b738ed8 Merge remote-tracking branch 'origin/master' into flakes 2019-12-16 20:17:21 +01:00
Eelco Dolstra 54bf5ba422 nix-store -r: Handle symlinks to store paths
Fixes .
2019-12-16 19:11:47 +01:00
Eelco Dolstra 5a6d6da7ae Validate tarball components 2019-12-13 19:05:26 +01:00
Eelco Dolstra 4581159e3f Simplify tarball test 2019-12-13 17:26:58 +01:00
Tom Bereknyei c6295a3afd Initial gzip support
Closes 
2019-12-13 03:34:15 -05:00
Eelco Dolstra ecb3a1afa2 Merge remote-tracking branch 'origin/master' into flakes 2019-12-11 14:53:30 +01:00
Eelco Dolstra cce218f950 Add base32 encoder/decoder 2019-12-10 13:37:23 +01:00
Eelco Dolstra c3c23a52ee Merge remote-tracking branch 'origin/master' into flakes 2019-12-04 00:31:09 +01:00
Eelco Dolstra c1d18050b4 Disable recursive Nix test on macOS
https://hydra.nixos.org/build/107724274
2019-12-03 19:19:14 +01:00
Eelco Dolstra ac2bc721d8 Merge remote-tracking branch 'origin/recursive-nix' 2019-12-02 12:34:46 +01:00
Eelco Dolstra ca8caaec5e nix: Add --expr flag
This replaces the '(...)' installable syntax, which is not very
discoverable. The downside is that you can't have multiple expressions
or mix expressions and other installables.
2019-11-27 00:05:30 +01:00
Eelco Dolstra 6a9c815734 Remove most of <nix/config.nix>
This is no longer needed.
2019-11-26 22:07:28 +01:00