fix: nfpm default build ids to empty

internal/pipe/nfpm/nfpm.go

@@ -54,11 +54,6 @@ func (Pipe) Default(ctx *context.Context) error {
 		if fpm.FileNameTemplate == "" {
 			fpm.FileNameTemplate = defaultNameTemplate
 		}
-		if len(fpm.Builds) == 0 { // TODO: change this to empty by default and deal with it in the filtering code
-			for _, b := range ctx.Config.Builds {
-				fpm.Builds = append(fpm.Builds, b.ID)
-			}
-		}
 		ids.Inc(fpm.ID)
 	}
 

internal/pipe/nfpm/nfpm_test.go

@@ -565,15 +565,11 @@ func TestDefault(t *testing.T) {
 			NFPMs: []config.NFPM{
 				{},
 			},
-			Builds: []config.Build{
-				{ID: "foo"},
-				{ID: "bar"},
-			},
 		},
 	}
 	require.NoError(t, Pipe{}.Default(ctx))
 	require.Equal(t, "/usr/bin", ctx.Config.NFPMs[0].Bindir)
-	require.Equal(t, []string{"foo", "bar"}, ctx.Config.NFPMs[0].Builds)
+	require.Empty(t, ctx.Config.NFPMs[0].Builds)
 	require.Equal(t, defaultNameTemplate, ctx.Config.NFPMs[0].FileNameTemplate)
 	require.Equal(t, ctx.Config.ProjectName, ctx.Config.NFPMs[0].PackageName)
 }
@@ -581,10 +577,6 @@ func TestDefault(t *testing.T) {
 func TestDefaultSet(t *testing.T) {
 	ctx := &context.Context{
 		Config: config.Project{
-			Builds: []config.Build{
-				{ID: "foo"},
-				{ID: "bar"},
-			},
 			NFPMs: []config.NFPM{
 				{
 					Builds: []string{"foo"},

www/docs/customization/nfpm.md

@@ -24,7 +24,7 @@ nfpms:
     file_name_template: "{{ .ConventionalFileName }}"
 
     # Build IDs for the builds you want to create NFPM packages for.
-    # Defaults to all builds.
+    # Defaults empty, which means no filtering.
     builds:
       - foo
       - bar