Initial commit

vendor/k8s.io/test-infra/prow/gitserver/BUILD.bazel

@@ -0,0 +1,26 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "helpers.go",
+        "types.go",
+    ],
+    importpath = "k8s.io/test-infra/prow/gitserver",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/k8s.io/test-infra/prow/gitserver/helpers.go

@@ -0,0 +1,34 @@
+package gitserver
+
+import (
+	"strings"
+)
+
+// HasLabel checks if label is in the label set "issueLabels".
+func HasLabel(label string, issueLabels []Label) bool {
+	for _, l := range issueLabels {
+		if strings.ToLower(l.Name) == strings.ToLower(label) {
+			return true
+		}
+	}
+	return false
+}
+
+// ChangedLabels describe a gitlab PR changed labels
+func ChangedLabels(action PullRequestEventAction, previous, current []Label) []Label {
+	labels := make([]Label, 0)
+	if action == PullRequestActionLabeled {
+		for _, l := range current {
+			if !HasLabel(l.Name, previous) {
+				labels = append(labels, l)
+			}
+		}
+	} else if action == PullRequestActionUnlabeled {
+		for _, l := range previous {
+			if !HasLabel(l.Name, current) {
+				labels = append(labels, l)
+			}
+		}
+	}
+	return labels
+}