fix: skip defaults for skipped pipes (#4210)

closes #4208

---------

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

internal/pipe/defaults/defaults.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/goreleaser/goreleaser/internal/client"
 	"github.com/goreleaser/goreleaser/internal/middleware/errhandler"
+	"github.com/goreleaser/goreleaser/internal/middleware/skip"
 	"github.com/goreleaser/goreleaser/internal/tmpl"
 	"github.com/goreleaser/goreleaser/pkg/context"
 	"github.com/goreleaser/goreleaser/pkg/defaults"
@@ -38,7 +39,10 @@ func (Pipe) Run(ctx *context.Context) error {
 		ctx.Config.GiteaURLs.Download = strings.TrimSuffix(strings.ReplaceAll(apiURL, "/api/v1", ""), "/")
 	}
 	for _, defaulter := range defaults.Defaulters {
-		if err := errhandler.Handle(defaulter.Default)(ctx); err != nil {
+		if err := skip.Maybe(
+			defaulter,
+			errhandler.Handle(defaulter.Default),
+		)(ctx); err != nil {
 			return err
 		}
 	}

internal/pipe/defaults/defaults_test.go

@@ -94,6 +94,7 @@ func TestFillPartial(t *testing.T) {
 	require.NotEmpty(t, ctx.Config.Dockers[0].Dockerfile)
 	require.Equal(t, "disttt", ctx.Config.Dist)
 	require.NotEqual(t, "https://github.com", ctx.Config.GitHubURLs.Download)
+	require.Empty(t, ctx.Config.Nix, "nix should have been skipped")
 
 	ctx = testctx.NewWithCfg(config.Project{
 		GiteaURLs: config.GiteaURLs{

pkg/defaults/defaults.go

@@ -80,7 +80,7 @@ var Defaulters = []Defaulter{
 	blob.Pipe{},
 	upload.Pipe{},
 	aur.Pipe{},
-	nix.Pipe{},
+	nix.NewPublish(),
 	winget.Pipe{},
 	brew.Pipe{},
 	krew.Pipe{},