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cfe3ee3de8
* Refactor: rename runEnv -> isNixShell * Refactor: rename left -> remainingArgs * nix-build.cc: Refactor: extract baseDir variable * nix-build.cc: Refactor: extract sourcePath, resolvedPath variables * nix-shell: Look for shell.nix when directory is specified * Add legacy setting: nix-shell-always-looks-for-shell-nix * rl-next: Add note about shell.nix lookups * tests/functional/shell.nix: Implement runHook for dummy stdenv
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821 B
| synopsis | significance | issues | prs | ||||||
|---|---|---|---|---|---|---|---|---|---|
| `nix-shell <directory>` looks for `shell.nix` | significant |
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nix-shell $x now looks for $x/shell.nix when $x resolves to a directory.
Although this might be seen as a breaking change, its primarily interactive usage makes it a minor issue. This adjustment addresses a commonly reported problem.
This also applies to nix-shell shebang scripts. Consider the following example:
#!/usr/bin/env nix-shell
#!nix-shell -i bash
This will now load shell.nix from the script's directory, if it exists; default.nix otherwise.
The old behavior can be opted into by setting the option nix-shell-always-looks-for-shell-nix to false.