prefer use of slices.DeleteFunc

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

pkg/compose/create.go

@@ -24,6 +24,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -32,7 +33,6 @@ import (
 	"github.com/docker/compose/v2/pkg/api"
 	"github.com/docker/compose/v2/pkg/progress"
 	"github.com/docker/compose/v2/pkg/prompt"
-	"github.com/docker/compose/v2/pkg/utils"
 	"github.com/docker/docker/api/types/blkiodev"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/filters"
@@ -1312,8 +1312,8 @@ func (s *composeService) resolveOrCreateNetwork(ctx context.Context, project *ty
 	}
 
 	// NetworkList Matches all or part of a network name, so we have to filter for a strict match
-	networks = utils.Filter(networks, func(net network.Summary) bool {
+	networks = slices.DeleteFunc(networks, func(net network.Summary) bool {
-		return net.Name == n.Name
+		return net.Name != n.Name
 	})
 
 	for _, net := range networks {
@@ -1436,18 +1436,19 @@ func (s *composeService) resolveExternalNetwork(ctx context.Context, n *types.Ne
 	if len(networks) == 0 {
 		// in this instance, n.Name is really an ID
 		sn, err := s.apiClient().NetworkInspect(ctx, n.Name, network.InspectOptions{})
-		if err != nil && !errdefs.IsNotFound(err) {
+		if err == nil {
+			networks = append(networks, sn)
+		} else if !errdefs.IsNotFound(err) {
 			return "", err
 		}
-		networks = append(networks, sn)
+
 	}
 
 	// NetworkList API doesn't return the exact name match, so we can retrieve more than one network with a request
-	networks = utils.Filter(networks, func(net network.Inspect) bool {
+	networks = slices.DeleteFunc(networks, func(net network.Inspect) bool {
-		// later in this function, the name is changed the to ID.
 		// this function is called during the rebuild stage of `compose watch`.
 		// we still require just one network back, but we need to run the search on the ID
-		return net.Name == n.Name || net.ID == n.Name
+		return net.Name != n.Name && net.ID != n.Name
 	})
 
 	switch len(networks) {

pkg/compose/run.go

@@ -22,12 +22,12 @@ import (
 	"fmt"
 	"os"
 	"os/signal"
+	"slices"
 
 	"github.com/compose-spec/compose-go/v2/types"
 	"github.com/docker/cli/cli"
 	cmd "github.com/docker/cli/cli/command/container"
 	"github.com/docker/compose/v2/pkg/api"
-	"github.com/docker/compose/v2/pkg/utils"
 	"github.com/docker/docker/pkg/stringid"
 )
 
@@ -130,11 +130,11 @@ func applyRunOptions(project *types.Project, service *types.ServiceConfig, opts
 
 	if len(opts.CapAdd) > 0 {
 		service.CapAdd = append(service.CapAdd, opts.CapAdd...)
-		service.CapDrop = utils.Remove(service.CapDrop, opts.CapAdd...)
+		service.CapDrop = slices.DeleteFunc(service.CapDrop, func(e string) bool { return slices.Contains(opts.CapAdd, e) })
 	}
 	if len(opts.CapDrop) > 0 {
 		service.CapDrop = append(service.CapDrop, opts.CapDrop...)
-		service.CapAdd = utils.Remove(service.CapAdd, opts.CapDrop...)
+		service.CapAdd = slices.DeleteFunc(service.CapAdd, func(e string) bool { return slices.Contains(opts.CapDrop, e) })
 	}
 	if opts.WorkingDir != "" {
 		service.WorkingDir = opts.WorkingDir

pkg/compose/start.go

@@ -265,7 +265,7 @@ func (s *composeService) watchContainers(ctx context.Context, //nolint:gocyclo
 				if _, ok := watched[container.ID]; ok {
 					eType := api.ContainerEventStopped
 					if slices.Contains(replaced, container.ID) {
-						utils.Remove(replaced, container.ID)
+						replaced = slices.DeleteFunc(replaced, func(e string) bool { return e == container.ID })
 						eType = api.ContainerEventRecreated
 					}
 					listener(api.ContainerEvent{
@@ -292,7 +292,7 @@ func (s *composeService) watchContainers(ctx context.Context, //nolint:gocyclo
 
 				eType := api.ContainerEventExit
 				if slices.Contains(replaced, container.ID) {
-					utils.Remove(replaced, container.ID)
+					replaced = slices.DeleteFunc(replaced, func(e string) bool { return e == container.ID })
 					eType = api.ContainerEventRecreated
 				}
 

pkg/utils/slices.go

@@ -1,42 +0,0 @@
-/*
-   Copyright 2020 Docker Compose CLI authors
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package utils
-
-import (
-	"slices"
-)
-
-// Remove removes all elements from origin slice
-func Remove[T comparable](origin []T, elements ...T) []T {
-	var filtered []T
-	for _, v := range origin {
-		if !slices.Contains(elements, v) {
-			filtered = append(filtered, v)
-		}
-	}
-	return filtered
-}
-
-func Filter[T any](elements []T, predicate func(T) bool) []T {
-	var filtered []T
-	for _, v := range elements {
-		if predicate(v) {
-			filtered = append(filtered, v)
-		}
-	}
-	return filtered
-}

pkg/utils/slices_test.go

@@ -1,95 +0,0 @@
-/*
-   Copyright 2020 Docker Compose CLI authors
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package utils
-
-import (
-	"testing"
-
-	specs "github.com/opencontainers/image-spec/specs-go/v1"
-)
-
-func TestContains(t *testing.T) {
-	source := []specs.Platform{
-		{
-			Architecture: "linux/amd64",
-			OS:           "darwin",
-			OSVersion:    "",
-			OSFeatures:   nil,
-			Variant:      "",
-		},
-		{
-			Architecture: "linux/arm64",
-			OS:           "linux",
-			OSVersion:    "12",
-			OSFeatures:   nil,
-			Variant:      "v8",
-		},
-		{
-			Architecture: "",
-			OS:           "",
-			OSVersion:    "",
-			OSFeatures:   nil,
-			Variant:      "",
-		},
-	}
-
-	type args struct {
-		origin  []specs.Platform
-		element specs.Platform
-	}
-	tests := []struct {
-		name string
-		args args
-		want bool
-	}{
-		{
-			name: "element found",
-			args: args{
-				origin: source,
-				element: specs.Platform{
-					Architecture: "linux/arm64",
-					OS:           "linux",
-					OSVersion:    "12",
-					OSFeatures:   nil,
-					Variant:      "v8",
-				},
-			},
-			want: true,
-		},
-		{
-			name: "element not found",
-			args: args{
-				origin: source,
-				element: specs.Platform{
-					Architecture: "linux/arm64",
-					OS:           "darwin",
-					OSVersion:    "12",
-					OSFeatures:   nil,
-					Variant:      "v8",
-				},
-			},
-			want: false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := Contains(tt.args.origin, tt.args.element); got != tt.want {
-				t.Errorf("Contains() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}