[SourcesManager] Do not try to clone spec-repos in `/`.

Fixes #2723.

CHANGELOG.md

@@ -15,6 +15,12 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
   [Marius Rackwitz](https://github.com/mrackwitz)
   [#2461](https://github.com/CocoaPods/CocoaPods/issues/2461)
 
+##### Bug Fixes
+
+* Do not try to clone spec-repos in `/`.  
+  [Eloy Durán](https://github.com/alloy)
+  [#2723](https://github.com/CocoaPods/CocoaPods/issues/2723)
+
 
 ## 0.34.4
 

lib/cocoapods/sources_manager.rb

@@ -433,16 +433,16 @@ module Pod
         end
 
         case url.to_s.downcase
-        when %r{github.com(:|/)cocoapods/specs}
+        when %r{github.com[:/]+cocoapods/specs}
           base = 'master'
-        when %r{github.com(:|/)(.+)/(.+)}
-          base = Regexp.last_match[2]
+        when %r{github.com[:/]+(.+)/(.+)}
+          base = Regexp.last_match[1]
+        when %r{^\S+@(\S+)[:/]+(.+)$}
+          host, path = Regexp.last_match.captures
+          base = base_from_host_and_path[host, path]
         when URI.regexp
           url = URI(url.downcase)
           base = base_from_host_and_path[url.host, url.path]
-        when %r{^\S+@(\S+)[:/](.+)$}
-          host, path = Regexp.last_match.captures
-          base = base_from_host_and_path[host, path]
         else
           base = url.to_s.downcase
         end

spec/unit/sources_manager_spec.rb

@@ -114,6 +114,11 @@ module Pod
             Pathname.any_instance.stubs(:exist?).
               returns(false).then.returns(true)
             SourcesManager.send(:name_for_url, url).should == 'master'
+
+            url = 'git@github.com:/CocoaPods/Specs.git'
+            Pathname.any_instance.stubs(:exist?).
+              returns(false).then.returns(true)
+            SourcesManager.send(:name_for_url, url).should == 'master'
           end
 
           it 'uses the organization name for github.com URLs' do
@@ -128,9 +133,17 @@ module Pod
           end
 
           it 'supports scp-style URLs' do
+            url = 'git@git-host.com:specs.git'
+            SourcesManager.send(:name_for_url, url).
+              should == 'git-host-specs'
+
             url = 'git@git-host.com/specs.git'
             SourcesManager.send(:name_for_url, url).
               should == 'git-host-specs'
+
+            url = 'git@git-host.com:/specs.git'
+            SourcesManager.send(:name_for_url, url).
+              should == 'git-host-specs'
           end
 
           it 'supports ssh URLs with an aliased hostname' do