2020-07-02 11:55:56 +03:00
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# nix-tree
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2020-06-25 01:47:16 +03:00
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2020-07-02 12:12:51 +03:00
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![Build Status](https://github.com/utdemir/nix-tree/workflows/nix-build/badge.svg)
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2020-09-15 01:34:51 +03:00
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[![Packaging status](https://repology.org/badge/vertical-allrepos/haskell:nix-tree.svg)](https://repology.org/project/haskell:nix-tree/versions)
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2020-07-02 12:12:51 +03:00
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2020-06-29 13:56:15 +03:00
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Interactively browse the dependency graph of your Nix derivations.
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2020-06-29 13:53:45 +03:00
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2021-02-27 13:45:39 +03:00
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[![asciicast](https://asciinema.org/a/cnilbmPXW51g97hdNJZcM5F6h.svg)](https://asciinema.org/a/cnilbmPXW51g97hdNJZcM5F6h.svg)
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2020-06-29 13:53:45 +03:00
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## Installation
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2020-11-01 23:32:31 +03:00
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Stable version:
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2020-07-29 04:01:19 +03:00
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```
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2020-11-01 23:32:31 +03:00
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nix-env -i nix-tree
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2020-07-29 04:01:19 +03:00
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```
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2020-11-01 23:32:31 +03:00
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Development version (requires Nix with flake support):
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2020-07-29 04:01:19 +03:00
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2020-06-29 13:53:45 +03:00
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```
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2020-11-01 23:32:31 +03:00
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nix profile install github:utdemir/nix-tree
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2020-07-02 00:24:45 +03:00
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```
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2020-06-29 13:53:45 +03:00
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## Usage
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2020-06-25 01:47:16 +03:00
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```
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$ nix-tree --help
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nix-tree --help
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Usage: nix-tree [paths] [-h|--help]
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Paths default to $HOME/.nix-profile and /var/run/current-system.
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Keybindings:
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hjkl/Arrow Keys : Navigate
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q/Esc: : Quit / close modal
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w : Open why-depends mode
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2020-08-22 13:37:06 +03:00
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/ : Open search mode
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2021-02-27 06:55:57 +03:00
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s : Change sort order
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? : Show help
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2020-06-25 01:47:16 +03:00
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```
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2020-07-02 00:24:45 +03:00
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2021-02-27 06:55:57 +03:00
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### Glossary
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* **NAR Size**: Size of the store path itself.
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* **Closure size**: Total size of the store path and all its transitive dependencies.
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* **Added size**: Size of the store path, and all its _unique_ transitive
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dependencies. In other words, the cost of having that store path on top
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of all other paths. See [issue #14] for a better explanation.
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[issue #14]: https://github.com/utdemir/nix-tree/issues/14
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2020-07-02 10:55:36 +03:00
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2020-12-22 00:58:27 +03:00
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### Tips
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`nix-build` prints built paths to stdout, which can be piped conveniently
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with `| xargs -o nix-tree`. Examples:
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```bash
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# Output of a local derivation
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nix-build . --no-out-link | xargs -o nix-tree
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# Build time dependencies (passing a `.drv` path)
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nix-instantiate --no-out-link | xargs -o nix-tree
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# Dependencies from shell.nix
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nix-build shell.nix -A inputDerivation | xargs -o nix-tree
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# All outputs of a derivation in nixpkgs:
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nix-build '<nixpkgs>' -A openssl.all --no-out-link | xargs -o nix-tree
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```
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2020-11-01 23:32:31 +03:00
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## Hacking
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All contributions, issues and feature requests are welcome.
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2020-11-27 01:11:19 +03:00
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To hack on it, simply run `nix-shell` (or `nix develop`) and use `cabal` as usual.
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2020-11-01 23:32:31 +03:00
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2020-07-02 10:55:36 +03:00
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# Related tools
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* [nix-du](https://github.com/symphorien/nix-du)
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2020-07-02 11:55:56 +03:00
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* [nix-query-tree-viewer](https://github.com/cdepillabout/nix-query-tree-viewer)
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* [nix-visualize](https://github.com/craigmbooth/nix-visualize)
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