## Build the package

Setup repositories:
```
git clone https://github.com/chainguard-dev/melange
make -C melange melange
git clone https://github.com/wolfi-dev/os wolfi-os
cd wolfi-os
```

Run the build itself:
```
doas env SOURCE_DATE_EPOCH=0 make packages/x86_64/xz-5.2.6-r2.apk
```

## Environment (Alpine)

```
$ cat /etc/apk/repositories
http://dl-cdn.alpinelinux.org/alpine/edge/main
http://dl-cdn.alpinelinux.org/alpine/edge/community
$ apk --version
apk-tools 2.12.10, compiled for x86_64.
$ ../melange/melange version 2>&1 | rg GitVersion
GitVersion:    v0.1.0-291-g13e398c
$ git rev-parse HEAD # https://github.com/wolfi-dev/os commit
8304480f1673db325fbf2a752de7fe264fb224d3
```

## Environment (Arch Linux)

```
% apk --version
apk-tools 2.12.10, compiled for x86_64.
% ../melange/melange version 2>&1 | rg GitVersion
GitVersion:    v0.1.0-291-g13e398c
% git rev-parse HEAD # https://github.com/wolfi-dev/os commit
8304480f1673db325fbf2a752de7fe264fb224d3
```

## Wolfi package

```
# https://web.archive.org/web/20221202153612/https://packages.wolfi.dev/os/x86_64/xz-5.2.6-r2.apk
wget -O wolfi-xz-5.2.6-r2.apk 'https://web.archive.org/web/20221202153612if_/https://packages.wolfi.dev/os/x86_64/xz-5.2.6-r2.apk'
```

## Generate diffoscopes
```
diffoscope --html diffoscope-wolfi-vs-alpine.html --no-progress --text-color=always wolfi-xz-5.2.6-r2.apk alpine-xz-5.2.6-r2.apk
diffoscope --html diffoscope-wolfi-vs-arch.html --no-progress --text-color=always wolfi-xz-5.2.6-r2.apk arch-xz-5.2.6-r2.apk
diffoscope --html diffoscope-alpine-vs-arch.html --no-progress --text-color=always alpine-xz-5.2.6-r2.apk arch-xz-5.2.6-r2.apk
```