distro: register distros explicitly

Automatically registering on `init()` is clever, but a bit too magical
and easy to get wrong, because every binary must include all distros
somewhere.

Flip this inside out: distros now have a `New()`, which returns
something that implements the `Distro` interface. The distro package
explicitly creates all of them.

This means that distros cannot import distro itself anymore, because go
forbids import cycles. This only affected `InvalidOutputFormatError`.
Return a generic error for now.
This commit is contained in:
Lars Karlitski 2019-11-28 16:06:41 +01:00
parent 673d3ff14b
commit 14ebed46da
10 changed files with 26 additions and 35 deletions

View file

@ -15,13 +15,11 @@ import (
"time"
"github.com/osbuild/osbuild-composer/internal/blueprint"
"github.com/osbuild/osbuild-composer/internal/distro"
"github.com/osbuild/osbuild-composer/internal/pipeline"
"github.com/osbuild/osbuild-composer/internal/rpmmd"
"github.com/osbuild/osbuild-composer/internal/target"
"github.com/osbuild/osbuild-composer/internal/distro"
_ "github.com/osbuild/osbuild-composer/internal/distro/fedora30"
"github.com/google/uuid"
)