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nix-shell: support single quotes in shebangs

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Single quotes are a basic feature of shell syntax that people expect to
work. They are also more convenient for writing literal code expressions
with less escaping.
This commit is contained in:
Naïm Favier 2023-06-07 18:12:35 +02:00 • committed by Robert Hensing
parent 8b68bbb777
commit fa9642ec45
3 changed files with 24 additions and 10 deletions
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6
doc/manual/src/command-ref/nix-shell.md
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@ -235,14 +235,14 @@ package like Terraform:
```bash
#! /usr/bin/env nix-shell
#! nix-shell -i bash --packages "terraform.withPlugins (plugins: [ plugins.openstack ])"
#! nix-shell -i bash --packages 'terraform.withPlugins (plugins: [ plugins.openstack ])'
terraform apply
```
> **Note**
>
> You must use double quotes (`"`) when passing a simple Nix expression
> You must use single or double quotes (`'`, `"`) when passing a simple Nix expression
> in a nix-shell shebang.
Finally, using the merging of multiple nix-shell shebangs the following
@ -251,7 +251,7 @@ branch):
```haskell
#! /usr/bin/env nix-shell
#! nix-shell -i runghc --packages "haskellPackages.ghcWithPackages (ps: [ps.download-curl ps.tagsoup])"
#! nix-shell -i runghc --packages 'haskellPackages.ghcWithPackages (ps: [ps.download-curl ps.tagsoup])'
#! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/nixos-20.03.tar.gz
import Network.Curl.Download