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nix-shell.md: Extend shellHook example

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Robert Hensing 2020-10-30 11:12:28 +01:00
parent b809c48ebb
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doc/manual/src/command-ref/nix-shell.md
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@ -41,10 +41,12 @@ to `nix-shell`. For example, the derivation attribute
shellHook = shellHook =
'' ''
echo "Hello shell" echo "Hello shell"
export SOME_API_TOKEN="$(cat ~/.config/some-app/api-token)"
''; '';
``` ```
will cause `nix-shell` to print `Hello shell`. will cause `nix-shell` to print `Hello shell` and set the `SOME_API_TOKEN`
environment variable to a user-configured value.
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