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nix-super/src/nix/shell.md
Noah Snelson c3f9344cae Fix typo in src/nix/shell.md 
Changed `If not command` to `If no command`, also specified that the
default shell launched in `nix shell` can be specified with `$SHELL`.
2021-12-15 23:40:37 -08:00

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R""(

Examples

  • Start a shell providing youtube-dl from the nixpkgs flake:

    # nix shell nixpkgs#youtube-dl
# youtube-dl --version
2020.11.01.1

  • Start a shell providing GNU Hello from NixOS 20.03:

    # nix shell nixpkgs/nixos-20.03#hello

  • Run GNU Hello:

    # nix shell nixpkgs#hello -c hello --greeting 'Hi everybody!'
Hi everybody!

  • Run GNU Hello in a chroot store:

    # nix shell --store ~/my-nix nixpkgs#hello -c hello

  • Start a shell providing GNU Hello in a chroot store:

    # nix shell --store ~/my-nix nixpkgs#hello nixpkgs#bashInteractive -c bash

    Note that it's necessary to specify bash explicitly because your default shell (e.g. /bin/bash) generally will not exist in the chroot.

Description

nix shell runs a command in an environment in which the $PATH variable provides the specified installables. If no command is specified, it starts the default shell of your user account specified by $SHELL.

)""