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contrib/guix/README.md
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# Bootstrappable Feather Wallet Builds # 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. 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/). 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 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 most architectures (x86_64, aarch64, riscv64). To produce reproducible release binaries, you only need to install Guix
and run the build script. 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 Guix allows us to modify any detail about our build environment with ease.
our toolchains. We are able to use the latest compilers while targeting older versions of glibc. Packages that are not Unlike [Gitian](https://github.com/devrandom/gitian-builder), we are not limited to the package set of a particular Ubuntu version.
available in Guix can easily be defined in the [manifest](https://github.com/feather-wallet/feather/blob/master/contrib/guix/manifest.scm) or upstreamed. 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.
Guix allows us to modify any detail about our build environment with ease. Debugging build issues takes less time 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.
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.
Feather releases are independently reproduced and cryptographically attested to by multiple contributors. 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. 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 If you start `guix-daemon` using an init script, you can edit said script to
supply this flag. supply this flag.
[b17e]: https://bootstrappable.org/
[r12e/source-date-epoch]: https://reproducible-builds.org/docs/source-date-epoch/ [r12e/source-date-epoch]: https://reproducible-builds.org/docs/source-date-epoch/
[env-vars-list]: #recognized-environment-variables [env-vars-list]: #recognized-environment-variables