actions-marketplace-validations/use-nix-shell-action

Apply a nix shell to a GitHub Actions job.

Trust Signals

workflow.ymlSHA-pinned

uses: actions-marketplace-validations/rrbutani_use-nix-shell-action@59a52b2b9bbfe3cc0e7deb8f9059abe37a439edf # no releases — HEAD as of 2026-07-13

tags can be moved; commit SHAs can't. why a SHA?

name	description	required	default
exportEnv	Boolean indicating whether to export the specified shell's environment into your GitHub Actions job's environment.	no	true
preserveDefaultPath	Boolean controlling whether the shell's environment overrides `$PATH` in the job (`false`) or appends to it (`true`). Note that things added to `$GITHUB_PATH` (i.e. by other actions) will be preserved regardless.	no	true
packages	Comma-separated list of packages to install in the shell.	no	—
flakes	Comma-separated list of flake references to install in the shell.	no	—
devShell	Flake path to a devShell.	no	—
file	Path to a file (i.e. shell.nix) describing the shell.	no	—
script	A script to run under the shell specified.	no	—
interpreter	The interpreter under which to run `script`.	no	bash
clearEnvForScript	Boolean specifying whether to preserve existing env vars when running the provided script. Note that this does not influence the environment that's exported and cannot be used to provide a "pure" shell for future steps in your action.	no	true
extraNixOptions	Extra options to pass to the nix invocation used to construct the shell.	no	""

no outputs