Add release process (#89)

* add check for app update; fix ETUI error handling

* validate user args

* add goreleaser support

* replace cgo dependencies (go-rpm) with go equivalents

* add acceptance tests against build snapshot

* add brew tap + acceptance test pipeline

* add mac acceptance tests

* fix compare makefile

* fix mac acceptance tests

* add release pipeline with wait checks

* add token to release step

* rm dir presenters int test

* enforce dpkg to be non interactive

Co-authored-by: Alfredo Deza <adeza@anchore.com>

* pin brew formulae

* pin skopeo to formulae url

* only run acceptance tests

Co-authored-by: Alfredo Deza <adeza@anchore.com>

imgbom/pkg/catalog.go

@@ -1,6 +1,7 @@
 package pkg
 
 import (
+	"sort"
 	"sync"
 
 	"github.com/anchore/imgbom/internal/log"
@@ -94,3 +95,19 @@ func (c *Catalog) Enumerate(types ...Type) <-chan *Package {
 	}()
 	return channel
 }
+
+func (c *Catalog) Sorted(types ...Type) []*Package {
+	pkgs := make([]*Package, 0)
+	for p := range c.Enumerate(types...) {
+		pkgs = append(pkgs, p)
+	}
+
+	sort.SliceStable(pkgs, func(i, j int) bool {
+		if pkgs[i].Name == pkgs[j].Name {
+			return pkgs[i].Version < pkgs[j].Version
+		}
+		return pkgs[i].Name < pkgs[j].Name
+	})
+
+	return pkgs
+}