diff options
Diffstat (limited to 'doc/manual/src/release-notes')
| -rw-r--r-- | doc/manual/src/release-notes/rl-2.12.md | 43 | ||||
| -rw-r--r-- | doc/manual/src/release-notes/rl-next.md | 59 |
2 files changed, 62 insertions, 40 deletions
diff --git a/doc/manual/src/release-notes/rl-2.12.md b/doc/manual/src/release-notes/rl-2.12.md new file mode 100644 index 000000000..e2045d7bf --- /dev/null +++ b/doc/manual/src/release-notes/rl-2.12.md @@ -0,0 +1,43 @@ +# Release 2.12 (2022-12-06) + +* On Linux, Nix can now run builds in a user namespace where they run + as root (UID 0) and have 65,536 UIDs available. + <!-- FIXME: move this to its own section about system features --> + This is primarily useful for running containers such as `systemd-nspawn` + inside a Nix build. For an example, see [`tests/systemd-nspawn/nix`][nspawn]. + + [nspawn]: https://github.com/NixOS/nix/blob/67bcb99700a0da1395fa063d7c6586740b304598/tests/systemd-nspawn.nix. + + A build can enable this by setting the derivation attribute: + + ``` + requiredSystemFeatures = [ "uid-range" ]; + ``` + + The `uid-range` [system feature] requires the [`auto-allocate-uids`] + setting to be enabled. + + [system feature]: ../command-ref/conf-file.md#conf-system-features + +* Nix can now automatically pick UIDs for builds, removing the need to + create `nixbld*` user accounts. See [`auto-allocate-uids`]. + + [`auto-allocate-uids`]: ../command-ref/conf-file.md#conf-auto-allocate-uids + +* On Linux, Nix has experimental support for running builds inside a + cgroup. See + [`use-cgroups`](../command-ref/conf-file.md#conf-use-cgroups). + +* `<nix/fetchurl.nix>` now accepts an additional argument `impure` which + defaults to `false`. If it is set to `true`, the `hash` and `sha256` + arguments will be ignored and the resulting derivation will have + `__impure` set to `true`, making it an impure derivation. + +* If `builtins.readFile` is called on a file with context, then only + the parts of the context that appear in the content of the file are + retained. This avoids a lot of spurious errors where strings end up + having a context just because they are read from a store path + ([#7260](https://github.com/NixOS/nix/pull/7260)). + +* `nix build --json` now prints some statistics about top-level + derivations, such as CPU statistics when cgroups are enabled. diff --git a/doc/manual/src/release-notes/rl-next.md b/doc/manual/src/release-notes/rl-next.md index bf51aa1f7..6c169bd09 100644 --- a/doc/manual/src/release-notes/rl-next.md +++ b/doc/manual/src/release-notes/rl-next.md @@ -1,48 +1,27 @@ # Release X.Y (202?-??-??) -* `<nix/fetchurl.nix>` now accepts an additional argument `impure` which - defaults to `false`. If it is set to `true`, the `hash` and `sha256` - arguments will be ignored and the resulting derivation will have - `__impure` set to `true`, making it an impure derivation. +* The `repeat` and `enforce-determinism` options have been removed + since they had been broken under many circumstances for a long time. -* If `builtins.readFile` is called on a file with context, then only the parts - of that context that appear in the content of the file are retained. - This avoids a lot of spurious errors where some benign strings end-up having - a context just because they are read from a store path - ([#7260](https://github.com/NixOS/nix/pull/7260)). +* You can now use [flake references] in the [old command line interface], e.g. -* Nix can now automatically pick UIDs for builds, removing the need to - create `nixbld*` user accounts. - - See [`auto-allocate-uids`]. - - [`auto-allocate-uids`]: (../command-ref/conf-file.md#conf-auto-allocate-uids) - -* On Linux, Nix can now run builds in a user namespace where the build - runs as root (UID 0) and has 65,536 UIDs available. - - <!-- FIXME: move this to its own section about system features --> - - This is primarily useful for running containers such as `systemd-nspawn` - inside a Nix build. For an example, see [`tests/systemd-nspawn/nix`][nspawn]. - - [nspawn]: https://github.com/NixOS/nix/blob/67bcb99700a0da1395fa063d7c6586740b304598/tests/systemd-nspawn.nix. - - A build can enable this by by setting the derivation attribute: + [flake references]: ../command-ref/new-cli/nix3-flake.md#flake-references + [old command line interface]: ../command-ref/main-commands.md ``` - requiredSystemFeatures = [ "uid-range" ]; + # nix-build flake:nixpkgs -A hello + # nix-build -I nixpkgs=flake:github:NixOS/nixpkgs/nixos-22.05 \ + '<nixpkgs>' -A hello + # NIX_PATH=nixpkgs=flake:nixpkgs nix-build '<nixpkgs>' -A hello ``` - The `uid-range` [system feature] requires the [`auto-allocate-uids`] - setting to be enabled. - - [system feature]: (../command-ref/conf-file.md#conf-system-features), - -* On Linux, Nix has experimental support for running builds inside a - cgroup. - - See [`use-cgroups`](../command-ref/conf-file.md#conf-use-cgroups). - -* `nix build --json` now prints some statistics about top-level - derivations, such as CPU statistics when cgroups are enabled. +* Allow explicitly selecting outputs in a store derivation installable, just like we can do with other sorts of installables. + For example, + ```shell-session + $ nix-build /nix/store/gzaflydcr6sb3567hap9q6srzx8ggdgg-glibc-2.33-78.drv^dev` + ``` + now works just as + ```shell-session + $ nix-build glibc^dev` + ``` + does already. |