Migrate Sirupsen to sirupsen.

vendor/github.com/docker/cli/opts/parse.go

@@ -0,0 +1,87 @@
+package opts
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/docker/docker/api/types/container"
+)
+
+// ReadKVStrings reads a file of line terminated key=value pairs, and overrides any keys
+// present in the file with additional pairs specified in the override parameter
+func ReadKVStrings(files []string, override []string) ([]string, error) {
+	envVariables := []string{}
+	for _, ef := range files {
+		parsedVars, err := ParseEnvFile(ef)
+		if err != nil {
+			return nil, err
+		}
+		envVariables = append(envVariables, parsedVars...)
+	}
+	// parse the '-e' and '--env' after, to allow override
+	envVariables = append(envVariables, override...)
+
+	return envVariables, nil
+}
+
+// ConvertKVStringsToMap converts ["key=value"] to {"key":"value"}
+func ConvertKVStringsToMap(values []string) map[string]string {
+	result := make(map[string]string, len(values))
+	for _, value := range values {
+		kv := strings.SplitN(value, "=", 2)
+		if len(kv) == 1 {
+			result[kv[0]] = ""
+		} else {
+			result[kv[0]] = kv[1]
+		}
+	}
+
+	return result
+}
+
+// ConvertKVStringsToMapWithNil converts ["key=value"] to {"key":"value"}
+// but set unset keys to nil - meaning the ones with no "=" in them.
+// We use this in cases where we need to distinguish between
+//   FOO=  and FOO
+// where the latter case just means FOO was mentioned but not given a value
+func ConvertKVStringsToMapWithNil(values []string) map[string]*string {
+	result := make(map[string]*string, len(values))
+	for _, value := range values {
+		kv := strings.SplitN(value, "=", 2)
+		if len(kv) == 1 {
+			result[kv[0]] = nil
+		} else {
+			result[kv[0]] = &kv[1]
+		}
+	}
+
+	return result
+}
+
+// ParseRestartPolicy returns the parsed policy or an error indicating what is incorrect
+func ParseRestartPolicy(policy string) (container.RestartPolicy, error) {
+	p := container.RestartPolicy{}
+
+	if policy == "" {
+		return p, nil
+	}
+
+	parts := strings.Split(policy, ":")
+
+	if len(parts) > 2 {
+		return p, fmt.Errorf("invalid restart policy format")
+	}
+	if len(parts) == 2 {
+		count, err := strconv.Atoi(parts[1])
+		if err != nil {
+			return p, fmt.Errorf("maximum retry count must be an integer")
+		}
+
+		p.MaximumRetryCount = count
+	}
+
+	p.Name = parts[0]
+
+	return p, nil
+}