Mirror all http_archives in third_party_repositories.bzl.

Context: bazelbuild/bazel#10270

Author: philwo

closure/repositories.bzl

@@ -238,7 +238,10 @@ def bazel_skylib():
     http_archive(
         name = "bazel_skylib",
         sha256 = "2ef429f5d7ce7111263289644d233707dba35e39696377ebab8b0bc701f7818e",
-        urls = ["https://github.com/bazelbuild/bazel-skylib/releases/download/0.8.0/bazel-skylib.0.8.0.tar.gz"],
+        urls = [
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/0.8.0/bazel-skylib.0.8.0.tar.gz",
+            "https://github.com/bazelbuild/bazel-skylib/releases/download/0.8.0/bazel-skylib.0.8.0.tar.gz",
+        ],
     )
 
 def clang():
@@ -929,6 +932,7 @@ def org_apache_tomcat_annotations_api():
         name = "org_apache_tomcat_annotations_api",
         licenses = ["notice"],  # Apache License, Version 2.0
         jar_urls = [
+            "https://mirror.bazel.build/repo1.maven.org/maven2/org/apache/tomcat/tomcat-annotations-api/8.0.5/tomcat-annotations-api-8.0.5.jar",
             "http://maven.ibiblio.org/maven2/org/apache/tomcat/tomcat-annotations-api/8.0.5/tomcat-annotations-api-8.0.5.jar",
             "http://repo1.maven.org/maven2/org/apache/tomcat/tomcat-annotations-api/8.0.5/tomcat-annotations-api-8.0.5.jar",
         ],
@@ -1043,31 +1047,43 @@ def rules_cc():
         name = "rules_cc",
         sha256 = "29daf0159f0cf552fcff60b49d8bcd4f08f08506d2da6e41b07058ec50cfeaec",
         strip_prefix = "rules_cc-b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e",
-        urls = ["https://github.com/bazelbuild/rules_cc/archive/b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e.tar.gz"],
+        urls = [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_cc/archive/b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e.tar.gz",
+            "https://github.com/bazelbuild/rules_cc/archive/b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e.tar.gz",
+        ],
     )
 
 def rules_java():
     http_archive(
         name = "rules_java",
         sha256 = "f5a3e477e579231fca27bf202bb0e8fbe4fc6339d63b38ccb87c2760b533d1c3",
         strip_prefix = "rules_java-981f06c3d2bd10225e85209904090eb7b5fb26bd",
-        urls = ["https://github.com/bazelbuild/rules_java/archive/981f06c3d2bd10225e85209904090eb7b5fb26bd.tar.gz"],
+        urls = [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_java/archive/981f06c3d2bd10225e85209904090eb7b5fb26bd.tar.gz",
+            "https://github.com/bazelbuild/rules_java/archive/981f06c3d2bd10225e85209904090eb7b5fb26bd.tar.gz",
+        ],
     )
 
 def rules_proto():
     http_archive(
         name = "rules_proto",
         sha256 = "602e7161d9195e50246177e7c55b2f39950a9cf7366f74ed5f22fd45750cd208",
         strip_prefix = "rules_proto-97d8af4dc474595af3900dd85cb3a29ad28cc313",
-        urls = ["https://github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz"],
+        urls = [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+            "https://github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+        ],
     )
 
 def rules_python():
     http_archive(
         name = "rules_python",
         sha256 = "e5470e92a18aa51830db99a4d9c492cc613761d5bdb7131c04bd92b9834380f6",
         strip_prefix = "rules_python-4b84ad270387a7c439ebdccfd530e2339601ef27",
-        urls = ["https://github.com/bazelbuild/rules_python/archive/4b84ad270387a7c439ebdccfd530e2339601ef27.tar.gz"],
+        urls = [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_python/archive/4b84ad270387a7c439ebdccfd530e2339601ef27.tar.gz",
+            "https://github.com/bazelbuild/rules_python/archive/4b84ad270387a7c439ebdccfd530e2339601ef27.tar.gz",
+        ],
     )
 
 def zlib():
@@ -1076,5 +1092,8 @@ def zlib():
         build_file = "@com_google_protobuf//:third_party/zlib.BUILD",
         sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
         strip_prefix = "zlib-1.2.11",
-        urls = ["https://zlib.net/zlib-1.2.11.tar.gz"],
+        urls = [
+            "https://mirror.bazel.build/zlib.net/zlib-1.2.11.tar.gz",
+            "https://zlib.net/zlib-1.2.11.tar.gz",
+        ],
     )