feat(cli): upgrade secret scanner

cli/detect/cmd/scm/scm.go

@@ -0,0 +1,66 @@
+// MIT License
+
+// Copyright (c) 2019 Zachary Rice
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+package scm
+
+import (
+	"fmt"
+	"strings"
+)
+
+type Platform int
+
+const (
+	UnknownPlatform Platform = iota
+	NoPlatform               // Explicitly disable the feature
+	GitHubPlatform
+	GitLabPlatform
+	AzureDevOpsPlatform
+	// TODO: Add others.
+)
+
+func (p Platform) String() string {
+	return [...]string{
+		"unknown",
+		"none",
+		"github",
+		"gitlab",
+		"azuredevops",
+	}[p]
+}
+
+func PlatformFromString(s string) (Platform, error) {
+	switch strings.ToLower(s) {
+	case "", "unknown":
+		return UnknownPlatform, nil
+	case "none":
+		return NoPlatform, nil
+	case "github":
+		return GitHubPlatform, nil
+	case "gitlab":
+		return GitLabPlatform, nil
+	case "azuredevops":
+		return AzureDevOpsPlatform, nil
+	default:
+		return UnknownPlatform, fmt.Errorf("invalid scm platform value: %s", s)
+	}
+}