Revert vendor directory to support old golang (GOPATH mode)

gomodule is still in progress to migrate for now, hence multus
team decide to keep vendor directory to support build without
gomodule.

vendor/github.com/onsi/ginkgo/internal/spec/specs.go

@@ -0,0 +1,122 @@
+package spec
+
+import (
+	"math/rand"
+	"regexp"
+	"sort"
+)
+
+type Specs struct {
+	specs                 []*Spec
+	numberOfOriginalSpecs int
+	hasProgrammaticFocus  bool
+}
+
+func NewSpecs(specs []*Spec) *Specs {
+	return &Specs{
+		specs: specs,
+		numberOfOriginalSpecs: len(specs),
+	}
+}
+
+func (e *Specs) Specs() []*Spec {
+	return e.specs
+}
+
+func (e *Specs) NumberOfOriginalSpecs() int {
+	return e.numberOfOriginalSpecs
+}
+
+func (e *Specs) HasProgrammaticFocus() bool {
+	return e.hasProgrammaticFocus
+}
+
+func (e *Specs) Shuffle(r *rand.Rand) {
+	sort.Sort(e)
+	permutation := r.Perm(len(e.specs))
+	shuffledSpecs := make([]*Spec, len(e.specs))
+	for i, j := range permutation {
+		shuffledSpecs[i] = e.specs[j]
+	}
+	e.specs = shuffledSpecs
+}
+
+func (e *Specs) ApplyFocus(description string, focusString string, skipString string) {
+	if focusString == "" && skipString == "" {
+		e.applyProgrammaticFocus()
+	} else {
+		e.applyRegExpFocus(description, focusString, skipString)
+	}
+}
+
+func (e *Specs) applyProgrammaticFocus() {
+	e.hasProgrammaticFocus = false
+	for _, spec := range e.specs {
+		if spec.Focused() && !spec.Pending() {
+			e.hasProgrammaticFocus = true
+			break
+		}
+	}
+
+	if e.hasProgrammaticFocus {
+		for _, spec := range e.specs {
+			if !spec.Focused() {
+				spec.Skip()
+			}
+		}
+	}
+}
+
+func (e *Specs) applyRegExpFocus(description string, focusString string, skipString string) {
+	for _, spec := range e.specs {
+		matchesFocus := true
+		matchesSkip := false
+
+		toMatch := []byte(description + " " + spec.ConcatenatedString())
+
+		if focusString != "" {
+			focusFilter := regexp.MustCompile(focusString)
+			matchesFocus = focusFilter.Match([]byte(toMatch))
+		}
+
+		if skipString != "" {
+			skipFilter := regexp.MustCompile(skipString)
+			matchesSkip = skipFilter.Match([]byte(toMatch))
+		}
+
+		if !matchesFocus || matchesSkip {
+			spec.Skip()
+		}
+	}
+}
+
+func (e *Specs) SkipMeasurements() {
+	for _, spec := range e.specs {
+		if spec.IsMeasurement() {
+			spec.Skip()
+		}
+	}
+}
+
+func (e *Specs) TrimForParallelization(total int, node int) {
+	startIndex, count := ParallelizedIndexRange(len(e.specs), total, node)
+	if count == 0 {
+		e.specs = make([]*Spec, 0)
+	} else {
+		e.specs = e.specs[startIndex : startIndex+count]
+	}
+}
+
+//sort.Interface
+
+func (e *Specs) Len() int {
+	return len(e.specs)
+}
+
+func (e *Specs) Less(i, j int) bool {
+	return e.specs[i].ConcatenatedString() < e.specs[j].ConcatenatedString()
+}
+
+func (e *Specs) Swap(i, j int) {
+	e.specs[i], e.specs[j] = e.specs[j], e.specs[i]
+}