github.com/GoogleContainerTools/skaffold@v1.39.18/pkg/skaffold/build/util.go (about) 1 /* 2 Copyright 2019 The Skaffold Authors 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package build 18 19 import ( 20 "context" 21 "strings" 22 23 "github.com/GoogleContainerTools/skaffold/pkg/skaffold/docker" 24 "github.com/GoogleContainerTools/skaffold/pkg/skaffold/graph" 25 ) 26 27 // MergeWithPreviousBuilds merges previous or prebuilt build artifacts with 28 // builds. If an artifact is already present in builds, the same artifact from 29 // previous will be replaced at the same position. 30 func MergeWithPreviousBuilds(builds, previous []graph.Artifact) []graph.Artifact { 31 updatedBuilds := map[string]graph.Artifact{} 32 for _, build := range builds { 33 updatedBuilds[build.ImageName] = build 34 } 35 36 added := map[string]bool{} 37 var merged []graph.Artifact 38 39 for _, artifact := range previous { 40 if updated, found := updatedBuilds[artifact.ImageName]; found { 41 merged = append(merged, updated) 42 } else { 43 merged = append(merged, artifact) 44 } 45 added[artifact.ImageName] = true 46 } 47 48 for _, artifact := range builds { 49 if !added[artifact.ImageName] { 50 merged = append(merged, artifact) 51 } 52 } 53 54 return merged 55 } 56 57 func TagWithDigest(tag, digest string) string { 58 digestSuffix := "@" + digest 59 if strings.HasSuffix(tag, digestSuffix) { 60 return tag 61 } 62 return tag + digestSuffix 63 } 64 65 func TagWithImageID(ctx context.Context, tag string, imageID string, localDocker docker.LocalDaemon) (string, error) { 66 return localDocker.TagWithImageID(ctx, tag, imageID) 67 }