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library/conf/flagvar/BUILD

@@ -0,0 +1,28 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["flagvar.go"],
+    importpath = "go-common/library/conf/flagvar",
+    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"],
+)

library/conf/flagvar/flagvar.go

@@ -0,0 +1,18 @@
+package flagvar
+
+import (
+	"strings"
+)
+
+// StringVars []string implement flag.Value
+type StringVars []string
+
+func (s StringVars) String() string {
+	return strings.Join(s, ",")
+}
+
+// Set implement flag.Value
+func (s *StringVars) Set(val string) error {
+	*s = append(*s, val)
+	return nil
+}