diff options
| author | Jade Lovelace <lix@jade.fyi> | 2024-06-15 17:05:30 -0700 |
|---|---|---|
| committer | Jade Lovelace <lix@jade.fyi> | 2024-06-15 18:46:18 -0700 |
| commit | f95a47e8c48a8b6eccc349d64aa5191a3618d7f4 (patch) | |
| tree | 0752e37e2fa6c960565498ccfc023d1d0ea4972c /doc/manual/rl-next/repl-overlays.md | |
| parent | 9923fb6dd95b13f14b60e6482e928a1eb2176cd1 (diff) | |
release: release notes for 2.90.0
For now we just need to put the release notes in the final spot. We will
have to fix the date on both 2.90 and 2.91 branches, but such as it is.
Release created with releng/create_release.xsh
Closes: https://git.lix.systems/lix-project/lix/issues/318
Change-Id: I38e79b40e7f632c8a286f2f09865a84dc93eca90
Diffstat (limited to 'doc/manual/rl-next/repl-overlays.md')
| -rw-r--r-- | doc/manual/rl-next/repl-overlays.md | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/doc/manual/rl-next/repl-overlays.md b/doc/manual/rl-next/repl-overlays.md deleted file mode 100644 index da69efdca..000000000 --- a/doc/manual/rl-next/repl-overlays.md +++ /dev/null @@ -1,39 +0,0 @@ ---- -synopsis: Add `repl-overlays` option -prs: 10203 -cls: 504 -credits: 9999years -significance: significant -category: Features ---- - -A `repl-overlays` option has been added, which specifies files that can overlay -and modify the top-level bindings in `nix repl`. For example, with the -following contents in `~/.config/nix/repl.nix`: - -```nix -info: final: prev: let - optionalAttrs = predicate: attrs: - if predicate - then attrs - else {}; -in - optionalAttrs (prev ? legacyPackages && prev.legacyPackages ? ${info.currentSystem}) - { - pkgs = prev.legacyPackages.${info.currentSystem}; - } -``` - -We can run `nix repl` and use `pkgs` to refer to `legacyPackages.${currentSystem}`: - -```ShellSession -$ nix repl --repl-overlays ~/.config/nix/repl.nix nixpkgs -Lix 2.90.0 -Type :? for help. -Loading installable 'flake:nixpkgs#'... -Added 5 variables. -Loading 'repl-overlays'... -Added 6 variables. -nix-repl> pkgs.bash -«derivation /nix/store/g08b5vkwwh0j8ic9rkmd8mpj878rk62z-bash-5.2p26.drv» -``` |