validate-podspec: run pod setup if no remote repos

(cherry picked from commit fd6fb2b)

Gemfile

@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
 
 gem 'danger'
+gem 'cocoapods', '~> 1.7.0'

Gemfile.lock

@@ -1,14 +1,55 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    CFPropertyList (3.0.1)
+    activesupport (4.2.11.1)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
+    atomos (0.1.3)
     claide (1.0.2)
     claide-plugins (0.9.2)
       cork
       nap
       open4 (~> 1.3)
+    cocoapods (1.7.5)
+      activesupport (>= 4.0.2, < 5)
+      claide (>= 1.0.2, < 2.0)
+      cocoapods-core (= 1.7.5)
+      cocoapods-deintegrate (>= 1.0.3, < 2.0)
+      cocoapods-downloader (>= 1.2.2, < 2.0)
+      cocoapods-plugins (>= 1.0.0, < 2.0)
+      cocoapods-search (>= 1.0.0, < 2.0)
+      cocoapods-stats (>= 1.0.0, < 2.0)
+      cocoapods-trunk (>= 1.3.1, < 2.0)
+      cocoapods-try (>= 1.1.0, < 2.0)
+      colored2 (~> 3.1)
+      escape (~> 0.0.4)
+      fourflusher (>= 2.3.0, < 3.0)
+      gh_inspector (~> 1.0)
+      molinillo (~> 0.6.6)
+      nap (~> 1.0)
+      ruby-macho (~> 1.4)
+      xcodeproj (>= 1.10.0, < 2.0)
+    cocoapods-core (1.7.5)
+      activesupport (>= 4.0.2, < 6)
+      fuzzy_match (~> 2.0.4)
+      nap (~> 1.0)
+    cocoapods-deintegrate (1.0.4)
+    cocoapods-downloader (1.3.0)
+    cocoapods-plugins (1.0.0)
+      nap
+    cocoapods-search (1.0.0)
+    cocoapods-stats (1.1.0)
+    cocoapods-trunk (1.4.1)
+      nap (>= 0.8, < 2.0)
+      netrc (~> 0.11)
+    cocoapods-try (1.1.0)
     colored2 (3.1.2)
+    concurrent-ruby (1.1.5)
     cork (0.3.0)
       colored2 (~> 3.1)
     danger (6.0.6)
@@ -24,33 +65,54 @@ GEM
       no_proxy_fix
       octokit (~> 4.7)
       terminal-table (~> 1)
+    escape (0.0.4)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     faraday-http-cache (1.3.1)
       faraday (~> 0.8)
+    fourflusher (2.3.1)
+    fuzzy_match (2.0.4)
+    gh_inspector (1.1.3)
     git (1.5.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     kramdown (2.1.0)
     kramdown-parser-gfm (1.0.1)
       kramdown (~> 2.0)
+    minitest (5.13.0)
+    molinillo (0.6.6)
     multipart-post (2.0.0)
+    nanaimo (0.2.6)
     nap (1.1.0)
+    netrc (0.11.0)
     no_proxy_fix (0.1.2)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     open4 (1.3.4)
     public_suffix (3.0.3)
+    ruby-macho (1.4.0)
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
     unicode-display_width (1.5.0)
+    xcodeproj (1.13.0)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
+      claide (>= 1.0.2, < 2.0)
+      colored2 (~> 3.1)
+      nanaimo (~> 0.2.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  cocoapods (~> 1.7.0)
   danger
 
 BUNDLED WITH
-   2.0.1
+   2.0.2

scripts/validate-podspec.sh

@@ -16,9 +16,17 @@ function cleanup {
 trap cleanup EXIT
 
 if [[ ! -z "${TRAVIS}" ]]; then
-    gem install cocoapods --pre --no-document --quiet;
-    pod repo update;
-fi;
+    bundle install
+    COCOAPODS_REPO_COUNT=`bundle exec pod repo list --count-only | cut -c 1`
+
+    if [[ $COCOAPODS_REPO_COUNT == "0" ]]; then
+        # No repo spec yet, we have to set it up
+        bundle exec pod setup
+    else
+        # We have some remote repo (cached or otherwise), so we can simply update it 
+        bundle exec pod repo update
+    fi
+fi
 
 VERSION=`cat RxSwift.podspec | grep -E "s.version\s+=" | cut -d '"' -f 2`
 ROOTS=(8/5/5 3/c/1 9/2/4 a/b/1 2/e/c)