Add some idempotency stuff

chef/cookbooks/centos/recipes/curl.rb

@@ -2,15 +2,31 @@ curl = 'curl-7.21.4'
 
 execute 'download curl' do
   command "mkdir -p /tmp/install && wget http://curl.download.nextag.com/download/#{curl}.tar.gz"
-  not_if "ls /tmp/install/#{curl}.tar.gz"
+  not_if do
+    File.exists?("/tmp/install/#{curl}.tar.gz")
+  end
 end
 
 execute "unzip curl" do
   command "cd /tmp/install && tar -xvf #{curl}.tar.gz"
+  not_if do
+    File.exists?("/tmp/install/#{curl}/README")
+  end
+end
+
+execute "configure curl" do
   command "cd /tmp/install/#{curl} && ./configure --with-ssl"
+  #not_if do
+  #  the libcurl so file is there
+  #end
+end
+
+execute "compile curl" do
   command "cd /tmp/install/#{curl} && make"
+end
+
+execute "install curl" do
   command "cd /tmp/install/#{curl} && make install"
-  not_if "ls /usr/local/lib/libcurl.so.4"
 end
 
 execute 'update dynamic loader cache for curl' do
@@ -25,7 +41,7 @@ end
 #execute 'add bundler line' do
 #  command "cd /usr/local/app/diaspora/ && bundle config build.typhoeus --with-curl=/usr/local/#{curl}/"
 #end
-#
+
 #execute 'rebundle' do
 #  command 'bundle install'
 #end