vendor: update compose-go to v2.0.0-rc.3

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/github.com/compose-spec/compose-go/v2/override/uncity.go

@@ -0,0 +1,204 @@
+/*
+   Copyright 2020 The Compose Specification 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 override
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/compose-spec/compose-go/v2/format"
+	"github.com/compose-spec/compose-go/v2/tree"
+)
+
+type indexer func(any, tree.Path) (string, error)
+
+// mergeSpecials defines the custom rules applied by compose when merging yaml trees
+var unique = map[tree.Path]indexer{}
+
+func init() {
+	unique["networks.*.labels"] = keyValueIndexer
+	unique["networks.*.ipam.options"] = keyValueIndexer
+	unique["services.*.annotations"] = keyValueIndexer
+	unique["services.*.build.args"] = keyValueIndexer
+	unique["services.*.build.additional_contexts"] = keyValueIndexer
+	unique["services.*.build.extra_hosts"] = keyValueIndexer
+	unique["services.*.build.platform"] = keyValueIndexer
+	unique["services.*.build.tags"] = keyValueIndexer
+	unique["services.*.build.labels"] = keyValueIndexer
+	unique["services.*.cap_add"] = keyValueIndexer
+	unique["services.*.cap_drop"] = keyValueIndexer
+	unique["services.*.configs"] = mountIndexer("")
+	unique["services.*.deploy.labels"] = keyValueIndexer
+	unique["services.*.dns"] = keyValueIndexer
+	unique["services.*.dns_opt"] = keyValueIndexer
+	unique["services.*.dns_search"] = keyValueIndexer
+	unique["services.*.environment"] = keyValueIndexer
+	unique["services.*.env_file"] = envFileIndexer
+	unique["services.*.expose"] = exposeIndexer
+	unique["services.*.extra_hosts"] = keyValueIndexer
+	unique["services.*.labels"] = keyValueIndexer
+	unique["services.*.links"] = keyValueIndexer
+	unique["services.*.networks.*.aliases"] = keyValueIndexer
+	unique["services.*.networks.*.link_local_ips"] = keyValueIndexer
+	unique["services.*.ports"] = portIndexer
+	unique["services.*.profiles"] = keyValueIndexer
+	unique["services.*.secrets"] = mountIndexer("/run/secrets")
+	unique["services.*.sysctls"] = keyValueIndexer
+	unique["services.*.tmpfs"] = keyValueIndexer
+	unique["services.*.volumes"] = volumeIndexer
+}
+
+// EnforceUnicity removes redefinition of elements declared in a sequence
+func EnforceUnicity(value map[string]any) (map[string]any, error) {
+	uniq, err := enforceUnicity(value, tree.NewPath())
+	if err != nil {
+		return nil, err
+	}
+	return uniq.(map[string]any), nil
+}
+
+func enforceUnicity(value any, p tree.Path) (any, error) {
+	switch v := value.(type) {
+	case map[string]any:
+		for k, e := range v {
+			u, err := enforceUnicity(e, p.Next(k))
+			if err != nil {
+				return nil, err
+			}
+			v[k] = u
+		}
+		return v, nil
+	case []any:
+		for pattern, indexer := range unique {
+			if p.Matches(pattern) {
+				seq := []any{}
+				keys := map[string]int{}
+				for i, entry := range v {
+					key, err := indexer(entry, p.Next(fmt.Sprintf("[%d]", i)))
+					if err != nil {
+						return nil, err
+					}
+					if j, ok := keys[key]; ok {
+						seq[j] = entry
+					} else {
+						seq = append(seq, entry)
+						keys[key] = len(seq) - 1
+					}
+				}
+				return seq, nil
+			}
+		}
+	}
+	return value, nil
+}
+
+func keyValueIndexer(y any, _ tree.Path) (string, error) {
+	value := y.(string)
+	key, _, found := strings.Cut(value, "=")
+	if !found {
+		return value, nil
+	}
+	return key, nil
+}
+
+func volumeIndexer(y any, p tree.Path) (string, error) {
+	switch value := y.(type) {
+	case map[string]any:
+		target, ok := value["target"].(string)
+		if !ok {
+			return "", fmt.Errorf("service volume %s is missing a mount target", p)
+		}
+		return target, nil
+	case string:
+		volume, err := format.ParseVolume(value)
+		if err != nil {
+			return "", err
+		}
+		return volume.Target, nil
+	}
+	return "", nil
+}
+
+func exposeIndexer(a any, path tree.Path) (string, error) {
+	switch v := a.(type) {
+	case string:
+		return v, nil
+	case int:
+		return strconv.Itoa(v), nil
+	default:
+		return "", fmt.Errorf("%s: unsupported expose value %s", path, a)
+	}
+}
+
+func mountIndexer(defaultPath string) indexer {
+	return func(a any, path tree.Path) (string, error) {
+		switch v := a.(type) {
+		case string:
+			return fmt.Sprintf("%s/%s", defaultPath, v), nil
+		case map[string]any:
+			t, ok := v["target"]
+			if ok {
+				return t.(string), nil
+			}
+			return fmt.Sprintf("%s/%s", defaultPath, v["source"]), nil
+		default:
+			return "", fmt.Errorf("%s: unsupported expose value %s", path, a)
+		}
+	}
+}
+
+func portIndexer(y any, p tree.Path) (string, error) {
+	switch value := y.(type) {
+	case int:
+		return strconv.Itoa(value), nil
+	case map[string]any:
+		target, ok := value["target"]
+		if !ok {
+			return "", fmt.Errorf("service ports %s is missing a target port", p)
+		}
+		published, ok := value["published"]
+		if !ok {
+			// try to parse it as an int
+			if pub, ok := value["published"]; ok {
+				published = fmt.Sprintf("%d", pub)
+			}
+		}
+		host, ok := value["host_ip"]
+		if !ok {
+			host = "0.0.0.0"
+		}
+		protocol, ok := value["protocol"]
+		if !ok {
+			protocol = "tcp"
+		}
+		return fmt.Sprintf("%s:%s:%d/%s", host, published, target, protocol), nil
+	case string:
+		return value, nil
+	}
+	return "", nil
+}
+
+func envFileIndexer(y any, _ tree.Path) (string, error) {
+	switch value := y.(type) {
+	case string:
+		return value, nil
+	case map[string]any:
+		return value["path"].(string), nil
+	}
+	return "", nil
+}