Cocoapods now recommends json file formats, so fastlane should support it

fastlane/lib/fastlane/actions/pod_push.rb

@@ -50,7 +50,7 @@ def self.available_options
                                        optional: true,
                                        verify_block: proc do |value|
                                          UI.user_error!("Couldn't find file at path '#{value}'") unless File.exist?(value)
-                                         UI.user_error!("File must be a `.podspec`") unless value.end_with?(".podspec")
+                                         UI.user_error!("File must be a `.podspec` or `.podspec.json`") unless value.end_with?(".podspec", ".podspec.json")
                                        end),
           FastlaneCore::ConfigItem.new(key: :repo,
                                        description: "The repo you want to push. Pushes to Trunk by default",

fastlane/spec/actions_specs/pod_push_spec.rb

@@ -32,6 +32,24 @@
 
         expect(result).to eq("pod repo push MyRepo './fastlane/spec/fixtures/podspecs/test.podspec' --allow-warnings --use-libraries")
       end
+
+      it "generates the correct pod push command with a json file" do
+        result = Fastlane::FastFile.new.parse("lane :test do
+          pod_push(path: './fastlane/spec/fixtures/podspecs/test.podspec.json', repo: 'MyRepo')
+        end").runner.execute(:test)
+
+        expect(result).to eq("pod repo push MyRepo './fastlane/spec/fixtures/podspecs/test.podspec.json'")
+      end
+
+      it "errors if the path file does not end with .podspec or .podspec.json" do
+        ff = Fastlane::FastFile.new.parse("lane :test do
+          pod_push(path: './fastlane/spec/fixtures/podspecs/test.notpodspec')
+        end")
+
+        expect do
+          ff.runner.execute(:test)
+        end.to raise_error("File must be a `.podspec` or `.podspec.json`")
+      end
     end
   end
 end

fastlane/spec/fixtures/podspecs/test.notpodspec

@@ -0,0 +1,24 @@
+Pod::Spec.new do |s|
+  s.name         = "SpecName"
+  s.header_dir   = "SuchHeader"
+  s.Version      = "1.5.1"
+  s.summary      = "With just a few lines of code, your app can add fastlane support."
+
+  s.description  = <<-DESC
+                   Much bla
+                   DESC
+
+  s.homepage          = "https://github.com/fastlane/fastlane"
+  s.license           = { type: 'MIT', file: 'LICENSE.txt' }
+  s.authors           = ["Felix Krause"]
+  s.social_media_url  = "https://twitter.com/FastlaneTools"
+
+  s.source            = { git: "https://github.com/fastlane/fastlane.git", tag: s.version }
+  s.platform          = :ios, 7.0
+  s.source_files      = "*.{h,m}"
+  s.frameworks        = "UIKit"
+  s.weak_framework    = "WebKit"
+  s.exclude_files     = "Demos"
+  s.resource_bundles  = { 'SomeResources' => ['yeah.xcassets/*.imageset/*.png', 'yeah.xcassets'] }
+  s.requires_arc      = true
+end

fastlane/spec/fixtures/podspecs/test.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name         = "SpecName"
   s.header_dir   = "SuchHeader"
-  s.Version      = "1.5.1"
+  s.version      = "1.5.1"
   s.summary      = "With just a few lines of code, your app can add fastlane support."
 
   s.description  = <<-DESC

fastlane/spec/fixtures/podspecs/test.podspec.json

@@ -0,0 +1,34 @@
+{
+  "name": "SpecName",
+  "header_dir": "SuchHeader",
+  "version": "1.5.1",
+  "summary": "With just a few lines of code, your app can add fastlane support.",
+  "description": "Much bla",
+  "homepage": "https://github.com/fastlane/fastlane",
+  "license": {
+    "type": "MIT",
+    "file": "LICENSE.txt"
+  },
+  "authors": [
+    "Felix Krause"
+  ],
+  "social_media_url": "https://twitter.com/FastlaneTools",
+  "source": {
+    "git": "https://github.com/fastlane/fastlane.git",
+    "tag": "1.5.1"
+  },
+  "platforms": {
+    "ios": "7.0"
+  },
+  "source_files": "*.{h,m}",
+  "frameworks": "UIKit",
+  "weak_frameworks": "WebKit",
+  "exclude_files": "Demos",
+  "resource_bundles": {
+    "SomeResources": [
+      "yeah.xcassets/*.imageset/*.png",
+      "yeah.xcassets"
+    ]
+  },
+  "requires_arc": true
+}