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Fix documentation for GC w.r.t. symlinks #13447

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edolstra merged 1 commit into from
Jul 12, 2025
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Fix documentation for GC w.r.t. symlinks #13447

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8 changes: 4 additions & 4 deletions doc/manual/source/package-management/garbage-collector-roots.md
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Expand Up @@ -12,7 +12,7 @@ $ ln -s /nix/store/d718ef...-foo /nix/var/nix/gcroots/bar
That is, after this command, the garbage collector will not remove
`/nix/store/d718ef...-foo` or any of its dependencies.

Subdirectories of `prefix/nix/var/nix/gcroots` are also searched for
symlinks. Symlinks to non-store paths are followed and searched for
roots, but symlinks to non-store paths *inside* the paths reached in
that way are not followed to prevent infinite recursion.
Subdirectories of `prefix/nix/var/nix/gcroots` are searched
recursively. Symlinks to store paths count as roots. Symlinks to
non-store paths are ignored, unless the non-store path is itself a
symlink to a store path.
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