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2021-12-28flake.cc: computeLocks: Only verify overrides when they could changeAlexander Bantyev
When we check for disappeared overrides, we can get "false positives" for follows and overrides which are defined in the dependencies of the flake we are locking, since they are not parsed by parseFlakeInputs. However, at that point we already know that the overrides couldn't have possible been changed if the input itself hasn't changed (since we check that oldLock->originalRef == *input.ref for the input's parent). So, to prevent this, only perform this check when it was possible that the flake changed (e.g. the flake we're locking, or a new input, or the input has changed and mustRefetch == true).
2021-12-13Re-allow inputs.x.url = "/path/to/file"Eelco Dolstra
2021-12-02Flakes: computeLocks: pass correct LockParent when reusing oldLockAlexander Bantyev
Previously, when we were attempting to reuse the old lockfile information in the computeLocks function, we have passed the parent of the current input to the next computeLocks call. This was incorrect, since the follows are resolved relative to the parent. This caused issues when we tried to reuse oldLock but couldn't for some reason (read: mustRefetch is true), in that case the follows were resolved incorrectly. Fix this by passing the correct parent, and adding some tests to prevent this particular regression from happening again. Closes https://github.com/NixOS/nix/issues/5697
2021-11-11Flakes: refetch the input when a follows disappearsAlexander Bantyev
When an input follows disappears, we can't just reuse the old lock file entries since we may be missing some required ones. Refetch the input when this happens. Closes https://github.com/NixOS/nix/issues/5289
2021-10-07Allow builtins.{path,filterSource} on paths with a contextEelco Dolstra
We now build the context (so this has the side-effect of making builtins.{path,filterSource} work on derivations outputs, if IFD is enabled) and then check that the path has no references (which is what we really care about).
2021-10-06Add a test for builtins.path in a flakeEelco Dolstra
2021-10-06Make Mercurial optional for the flakes testsEelco Dolstra
2021-09-21path fetcher: Fix relative path checkEelco Dolstra
2021-09-14Merge branch 'tomberek/show_json' of https://github.com/tomberek/nixEelco Dolstra
2021-09-08Ensure nix flake show produces valid jsonTom Bereknyei
2021-09-02parseInstallables(): Parse store paths as store pathsEelco Dolstra
If the store path contains a flake, this means that a command like "nix path-info /path" will show info about /path, not about the default output of the flake in /path. If you want the latter, you can explicitly ask for it by doing "nix path-info path:/path". Fixes #4568.
2021-09-02Failing test case for flake in storeStéphan Kochen
2021-08-17Add tests for flake follow pathsAlex Zero
2021-07-16Add use-registries config option (and deprecate --no-registries flag)Alexander Bantyev
Some people want to avoid using registries at all on their system; Instead of having to add --no-registries to every command, this commit allows to set use-registries = false in the config. --no-registries is still allowed everywhere it was allowed previously, but is now deprecated. Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
2021-07-02Add tests for --registry and second arg for nix registry pinAlexander Bantyev
2021-06-02Let `nix flake check` keep going when keep-going is setregnat
When the `keep-going` option is set to `true`, make `nix flake check` continue as much as it can before failing. The UI isn’t perfect as-it-is as all the lines currently start with a mostly useless `error (ignored): error:` prefix, but I’m not sure what the best output would be, so I’ll leave it as-it-is for the time being (This is a bit hijacking the `keep-going` flag as it’s supposed to be a build-time only thing. But I think it’s faire to reuse it here). Fix https://github.com/NixOS/nix/issues/4450
2021-03-16Merge 'nix flake {info,list-inputs}' into 'nix flake metadata'Eelco Dolstra
Fixes #4613.
2021-03-01Add test for git+file with bare repositoryKjetil Orbekk
2021-02-26nix flake update: Recreate the lock fileEelco Dolstra
This is probably what most people expect it to do. Fixes #3781. There is a new command 'nix flake lock' that has the old behaviour of 'nix flake update', i.e. it just adds missing lock file entries unless overriden using --update-input.
2021-01-10Add 'nix store gc' commandEelco Dolstra
2020-07-17parseFlakeRef(): Only search for the top-level directory for CLI flakerefsEelco Dolstra
2020-06-11Represent 'follows' inputs explicitly in the lock fileEelco Dolstra
This fixes an issue where lockfile generation was not idempotent: after updating a lockfile, a "follows" node would end up pointing to a new copy of the node, rather than to the original node.
2020-06-04nix flake init: Add a '--template' flagEelco Dolstra
The initial contents of the flake is specified by the 'templates.<name>' or 'defaultTemplate' output of another flake. E.g. outputs = { self }: { templates = { nixos-container = { path = ./nixos-container; description = "An example of a NixOS container"; }; }; }; allows $ nix flake init -t templates#nixos-container Also add a command 'nix flake new', which is identical to 'nix flake init' except that it initializes a specified directory rather than the current directory.
2020-05-21circular testMatthew Kenigsberg
2020-05-15Move registry-related commands from 'nix flake' to 'nix registry'Eelco Dolstra
This makes 'nix flake' less cluttered and more consistent (it's only subcommands that operator on a flake). Also, the registry is not inherently flake-related (e.g. fetchTree could also use it to remap inputs).
2020-04-10Remove flake 'edition' fieldEelco Dolstra
Future editions of flakes or the Nix language can be supported by renaming flake.nix (e.g. flake-v2.nix). This avoids a bootstrap problem where we don't know which grammar to use to parse flake*.nix. It also allows a project to support multiple flake editions, in theory.
2020-04-03getFlake: In pure mode, check that the argument is an immutable flakerefEelco Dolstra
2020-03-27Add test for circular flake dependenciesEelco Dolstra
2020-03-27Improve lock file generationEelco Dolstra
This is now done in a single pass. Also fixes some issues when updating flakes with circular dependencies. Finally, when using '--recreate-lock-file --commit-lock-file', the commit message now correctly shows the differences.
2020-03-19Register flake-registry.json as a GC root againEelco Dolstra
2020-03-19downloadFile(): Use expired file if the download failsEelco Dolstra
2020-03-18tarball.cc: Use ETagsEelco Dolstra
2020-03-12Change the lock file to a graphEelco Dolstra
This enables support for cycles between flakes.
2020-02-06Registry: Use attr notation instead of URLsEelco Dolstra
2020-02-05Add option --commit-lock-fileEelco Dolstra
2020-02-02Automatically do git/hg add on flake.lockEelco Dolstra
2020-02-02Remove the git+ and hg+ prefixes from structured input refsEelco Dolstra
2020-02-02--tarball-ttl 0 -> --refreshEelco Dolstra
2020-02-02Substitute flake inputsEelco Dolstra
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 #3253.
2020-02-02Renamed ref / resolvedRef -> lockedRefEelco Dolstra
2020-02-01nix flake update: Imply --refreshEelco Dolstra
2020-01-31Allow flake input specification via attributes rather than a URLEelco Dolstra
E.g. inputs.dwarffs = { type = "github"; owner = "edolstra"; repo = "dwarffs"; }; rather than inputs.dwarffs.url = github:edolstra/dwarffs;
2020-01-31Change lock file format to use an attribute representation of flake refs ↵Eelco Dolstra
rather than URLs
2020-01-31nix flake deps -> nix flake list-inputsEelco Dolstra
Also add a --json flag.
2020-01-29Add --update-input flag to update a specific flake inputEelco Dolstra
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 #2928.
2020-01-29Clean up the lock file handling flagsEelco Dolstra
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 #2947. 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.
2020-01-29Add flag --override-input to override specific lock file entriesEelco Dolstra
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 #2837.
2020-01-28Hopefully fix macOS testEelco Dolstra
https://hydra.nixos.org/build/110879694
2020-01-28Simplify flake testsEelco Dolstra
2020-01-28Add support for tarball flake inputsEelco Dolstra
For example, $ nix flake info https://github.com/edolstra/dwarffs/archive/master.tar.gz Fixes #2929.
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