1 files changed, 97 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-getter/detect.go b/vendor/github.com/hashicorp/go-getter/detect.go
new file mode 100644
index 00000000..481b737c
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-getter/detect.go
@@ -0,0 +1,97 @@
+package getter
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"github.com/hashicorp/go-getter/helper/url"
+)
+
+// Detector defines the interface that an invalid URL or a URL with a blank
+// scheme is passed through in order to determine if its shorthand for
+// something else well-known.
+type Detector interface {
+	// Detect will detect whether the string matches a known pattern to
+	// turn it into a proper URL.
+	Detect(string, string) (string, bool, error)
+}
+
+// Detectors is the list of detectors that are tried on an invalid URL.
+// This is also the order they're tried (index 0 is first).
+var Detectors []Detector
+
+func init() {
+	Detectors = []Detector{
+		new(GitHubDetector),
+		new(BitBucketDetector),
+		new(S3Detector),
+		new(FileDetector),
+	}
+}
+
+// Detect turns a source string into another source string if it is
+// detected to be of a known pattern.
+//
+// The third parameter should be the list of detectors to use in the
+// order to try them. If you don't want to configure this, just use
+// the global Detectors variable.
+//
+// This is safe to be called with an already valid source string: Detect
+// will just return it.
+func Detect(src string, pwd string, ds []Detector) (string, error) {
+	getForce, getSrc := getForcedGetter(src)
+
+	// Separate out the subdir if there is one, we don't pass that to detect
+	getSrc, subDir := SourceDirSubdir(getSrc)
+
+	u, err := url.Parse(getSrc)
+	if err == nil && u.Scheme != "" {
+		// Valid URL
+		return src, nil
+	}
+
+	for _, d := range ds {
+		result, ok, err := d.Detect(getSrc, pwd)
+		if err != nil {
+			return "", err
+		}
+		if !ok {
+			continue
+		}
+
+		var detectForce string
+		detectForce, result = getForcedGetter(result)
+		result, detectSubdir := SourceDirSubdir(result)
+
+		// If we have a subdir from the detection, then prepend it to our
+		// requested subdir.
+		if detectSubdir != "" {
+			if subDir != "" {
+				subDir = filepath.Join(detectSubdir, subDir)
+			} else {
+				subDir = detectSubdir
+			}
+		}
+		if subDir != "" {
+			u, err := url.Parse(result)
+			if err != nil {
+				return "", fmt.Errorf("Error parsing URL: %s", err)
+			}
+			u.Path += "//" + subDir
+			result = u.String()
+		}
+
+		// Preserve the forced getter if it exists. We try to use the
+		// original set force first, followed by any force set by the
+		// detector.
+		if getForce != "" {
+			result = fmt.Sprintf("%s::%s", getForce, result)
+		} else if detectForce != "" {
+			result = fmt.Sprintf("%s::%s", detectForce, result)
+		}
+
+		return result, nil
+	}
+
+	return "", fmt.Errorf("invalid source string: %s", src)
+}