Update CocoaPods for alpha13.

Author: MrMage

CGRPCZlib.podspec

@@ -2,7 +2,7 @@ Pod::Spec.new do |s|
 
     s.name = 'CGRPCZlib'
     s.module_name = 'CGRPCZlib'
-    s.version = '1.0.0-alpha.12'
+    s.version = '1.0.0-alpha.13'
     s.license = { :type => 'Apache 2.0', :file => 'LICENSE' }
     s.summary = 'Compression library that provides in-memory compression and decompression functions'
     s.homepage = 'https://www.grpc.io'

gRPC-Swift.podspec

@@ -16,12 +16,12 @@ Pod::Spec.new do |s|
     s.tvos.deployment_target = '10.0'
     s.source_files = 'Sources/GRPC/**/*.{swift,c,h}'
 
-    s.dependency 'Logging', '1.2.0'
-    s.dependency 'SwiftNIO', '2.18.0'
-    s.dependency 'SwiftNIOHTTP2', '1.12.1'
-    s.dependency 'SwiftNIOSSL', '2.7.4'
-    s.dependency 'SwiftNIOTransportServices', '1.6.0'
-    s.dependency 'SwiftProtobuf', '1.9.0'
+    s.dependency 'Logging', '~> 1.2'
+    s.dependency 'SwiftNIO', '~> 2.18'
+    s.dependency 'SwiftNIOHTTP2', '~> 1.12'
+    s.dependency 'SwiftNIOSSL', '~> 2.7'
+    s.dependency 'SwiftNIOTransportServices', '~> 1.6'
+    s.dependency 'SwiftProtobuf', '~> 1.9'
     s.dependency 'CGRPCZlib', s.version.to_s
 
 end

scripts/build_podspecs.py

@@ -53,7 +53,8 @@ def as_podspec(self):
         if self.use_verbatim_version:
             return "    s.dependency '%s', %s\n" % (self.name, self.version)
 
-        return "    s.dependency '%s', '%s'\n" % (self.name, self.version)
+        # The '~>' allows users to use any patch update for the given version.
+        return "    s.dependency '%s', '~> %s'\n" % (self.name, self.version)
 
 class Pod:
     def __init__(self, name, module_name, version, description, dependencies=None):
@@ -118,7 +119,7 @@ def write(self, pod, contents):
     def publish(self, pod_name):
         os.system('pod repo update')
         print('    Publishing %s.podspec' % (pod_name))
-        os.system('pod trunk push %s/%s.podspec' % (self.directory, pod_name))
+        os.system('pod trunk push --synchronous %s/%s.podspec' % (self.directory, pod_name))
 
     def build_pods(self):
         cgrpczlib_pod = Pod(
@@ -138,7 +139,7 @@ def build_pods(self):
 
         grpc_pod.add_dependency(Dependency('CGRPCZlib'))
 
-        self.pods += [cgrpczlib_pod, grpc_pod]
+        self.pods += [grpc_pod]
 
     def go(self):
         self.build_pods()
@@ -172,6 +173,8 @@ def get_grpc_deps():
     for obj in data['object']['pins']:
         package = process_package(obj['package'])
         version = obj['state']['version']
+        # Strip the "patch" part of the version, as we want to allow users to use any patch version.
+        version = '.'.join(version.split('.')[0:2])
 
         deps.append(Dependency(package, version, False))