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contrib/guix/README.md
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# Bootstrappable Feather Wallet Builds
This directory contains the files necessary to perform [bootstrappable](b17e) Feather Wallet builds.
This directory contains the files necessary to perform [bootstrappable](https://bootstrappable.org) Feather Wallet builds.
Bootstrappability allows us to _audit and reproduce_ our toolchain instead of blindly _trusting_ binary downloads.
Our build environment can be built from source, [all the way down](https://guix.gnu.org/en/blog/2023/the-full-source-bootstrap-building-from-source-all-the-way-down/).
It allows us to reduce our supply chain attack surface by only including the packages that we need, and nothing else.
We achieve bootstrappability by using [Guix](https://guix.gnu.org/) as a functional package manager. Guix runs on any Linux distribution and on
most architectures (x86_64, aarch64, riscv64). To produce reproducible release binaries, you only need to install Guix
and run the build script.
Unlike [Gitian](https://github.com/devrandom/gitian-builder), we are not limited to the package set of a particular Ubuntu version. Guix allows us to pick and choose
our toolchains. We are able to use the latest compilers while targeting older versions of glibc. Packages that are not
available in Guix can easily be defined in the [manifest](https://github.com/feather-wallet/feather/blob/master/contrib/guix/manifest.scm) or upstreamed.
Guix allows us to modify any detail about our build environment with ease. Debugging build issues takes less time
because we have shell access to the build environment. Our source code is bind mounted into the container, so
edits to package definitions can be tested incrementally.
Guix allows us to modify any detail about our build environment with ease.
Unlike [Gitian](https://github.com/devrandom/gitian-builder), we are not limited to the package set of a particular Ubuntu version.
With Guix, we can configure our toolchains to use the latest compilers while still targeting older versions of glibc.
We drastically reduce our supply chain attack surface by only including the package we need in our build environment, and nothing else.
Packages that are not available in Guix can easily be defined in the [manifest](https://github.com/feather-wallet/feather/blob/master/contrib/guix/manifest.scm) or upstreamed.
Feather releases are independently reproduced and cryptographically attested to by multiple contributors.
You can submit attestations to the [feather-sigs](https://github.com/feather-wallet/feather-sigs) repo.
@ -397,6 +394,5 @@ used.
If you start `guix-daemon` using an init script, you can edit said script to
supply this flag.
[b17e]: https://bootstrappable.org/
[r12e/source-date-epoch]: https://reproducible-builds.org/docs/source-date-epoch/
[env-vars-list]: #recognized-environment-variables