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nix-store — Manipulate or query the Nix store. See also: `nix store.3`. More information: <https://nix.dev/manua

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Problem

How to use the nix-store command: Manipulate or query the Nix store. See also: nix store.3. More information: <https://nix.dev/manual/nix/stable/command-ref/nix-store.html>.

Solution

nix-store — Manipulate or query the Nix store. See also: nix store.3. More information: <https://nix.dev/manual/nix/stable/command-ref/nix-store.html>.

Collect garbage, such as removing unused paths:
nix-store --gc


Hard-link identical files together to reduce space usage:
nix-store --optimise


Delete a specific store path (must be unused):
nix-store --delete /nix/store/{{checksum-package-version.ext}}


Show all dependencies of a store path (package), in a tree format:
nix-store {{[-q|--query]}} --tree /nix/store/{{checksum-package-version.ext}}


Calculate the total size of a certain store path with all the dependencies:
du {{[-cLsh|--total --dereference --summarize --human-readable]}} $(nix-store {{[-q|--query]}} --references /nix/store/{{checksum-package-version.ext}})


Show all dependents of a particular store path:
nix-store {{[-q|--query]}} --referrers /nix/store/{{checksum-package-version.ext}}

Code Snippets

Collect garbage, such as removing unused paths

nix-store --gc

Hard-link identical files together to reduce space usage

nix-store --optimise

Delete a specific store path (must be unused)

nix-store --delete /nix/store/{{checksum-package-version.ext}}

Show all dependencies of a store path (package), in a tree format

nix-store {{[-q|--query]}} --tree /nix/store/{{checksum-package-version.ext}}

Calculate the total size of a certain store path with all the dependencies

du {{[-cLsh|--total --dereference --summarize --human-readable]}} $(nix-store {{[-q|--query]}} --references /nix/store/{{checksum-package-version.ext}})

Context

tldr-pages: common/nix-store

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