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Pill 10: Update hello version in text #270

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4 changes: 2 additions & 2 deletions pills/10-developing-with-nix-shell.md
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Expand Up @@ -37,9 +37,9 @@ The derivation didn't install, but it did build. Note the following:

- We sourced `builder.sh` and it ran all of the build steps, including setting up the `PATH` for us.

- The working directory is no longer a temp directory created by `nix-build`, but is instead the directory in which we entered the shell. Therefore, `hello-2.10` has been unpacked in the current directory.
- The working directory is no longer a temp directory created by `nix-build`, but is instead the directory in which we entered the shell. Therefore, `hello-2.12.1` has been unpacked in the current directory.

We are able to `cd` into `hello-2.10` and type `make`, because `make` is now available.
We are able to `cd` into `hello-2.12.1` and type `make`, because `make` is now available.

The take-away is that `nix-shell` drops us in a shell with the same (or very similar) environment used to run the builder.

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