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| -rw-r--r-- | doc/manual/rl-next/nixversion-fake.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/manual/rl-next/nixversion-fake.md b/doc/manual/rl-next/nixversion-fake.md new file mode 100644 index 000000000..1a97e412c --- /dev/null +++ b/doc/manual/rl-next/nixversion-fake.md @@ -0,0 +1,11 @@ +--- +synopsis: "`builtins.nixVersion` now returns a fixed value \"2.18.3-lix\"" +# prs: cl 558 +--- + +`builtins.nixVersion` now returns a fixed value `"2.18.3-lix"`. This prevents +feature detection assuming that features that exist in Nix post-Lix-branch-off +might exist, even though the Lix version is greater than the Nix version. + +In the future, check for builtins for feature detection. If a feature cannot be +detected by *those* means, please file a Lix bug. |