Change 'unless' to 'onlyif' in third resource; fix formatting

manifests/install.pp

@@ -6,23 +6,23 @@
 #   include anaconda::install
 class anaconda::install {
   exec { 'downloadconda':
-    creates => '/miniconda.sh',
-    command => 'wget https://repo.continuum.io/miniconda/Miniconda3-3.7.0-Linux-x86_64.sh -O /miniconda.sh',
-    path    => ['/usr/bin'],
+    creates  => '/miniconda.sh',
+    command  => 'wget https://repo.continuum.io/miniconda/Miniconda3-3.7.0-Linux-x86_64.sh -O /miniconda.sh',
+    path     => ['/usr/bin'],
   }
 
   exec { 'initialinstallconda':
-    creates => '/miniconda/bin/activate',
-    command => 'bash /miniconda.sh -b -p /miniconda',
-    path    => ['/bin' , '/usr/bin'],
-    require => Exec['downloadconda'],
+    creates  => '/miniconda/bin/activate',
+    command  => 'bash /miniconda.sh -b -p /miniconda',
+    path     => ['/bin' , '/usr/bin'],
+    require  => Exec['downloadconda'],
   }
 
   exec { 'ensurecondainpath':
-    unless  => 'echo $PATH | grep /miniconda/bin',
-    command => 'export PATH="/miniconda/bin:$PATH"',
-    path    => ['/bin'],
-    provider=> 'shell',
-    require => Exec['initialinstallconda'],
+    onlyif   => 'echo $PATH | grep -c /miniconda/bin',
+    command  => 'export PATH="/miniconda/bin:$PATH"',
+    path     => ['/bin'],
+    provider => 'shell',
+    require  => Exec['initialinstallconda'],
   }  
 }
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