Drop EOL EL4, EL5 and EL6

manifests/dependencies/centos.pp

@@ -1,24 +1,6 @@
 # Install packages needed by RVM on RedHat systems when not using autolibs
 class rvm::dependencies::centos {
-  $version = $facts['os']['name'] ? {
-    'Amazon' => '6.x',
-    default  => $facts['os']['release']['full'],
-  }
-
-  case $version {
-    /^[67]\..*/: {
-      ensure_packages(['libcurl-devel'])
-    }
-    /^5\..*/: {
-      ensure_packages(['autoconf'])
-      ensure_packages(['curl-devel'])
-    }
-    default: {
-      ensure_packages(['curl-devel'])
-    }
-  }
-
   ensure_packages(['which','gcc','gcc-c++','make','gettext-devel','expat-devel','zlib-devel','openssl-devel',
       'perl','cpio','gettext-devel','wget','bzip2','libxml2','libxml2-devel','libxslt','libxslt-devel',
-  'readline-devel','patch','git','libyaml-devel','libffi-devel','libtool','bison'])
+  'readline-devel','patch','git','libyaml-devel','libffi-devel','libtool','bison', 'libcurl-devel'])
 }

manifests/passenger/dependencies/centos.pp

@@ -1,16 +1,4 @@
 # Package dependencies for Passenger on RedHat
 class rvm::passenger::dependencies::centos {
-  $version = $facts['os']['name'] ? {
-    'Amazon' => '6.x',
-    default  => $facts['os']['release']['full'],
-  }
-
-  case $version {
-    /^[67]\..*/: {
-      ensure_packages(['libcurl-devel'])
-    }
-    default: {
-      ensure_packages(['curl-devel'])
-    }
-  }
+  ensure_packages(['libcurl-devel'])
 }

metadata.json

@@ -22,36 +22,24 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "4",
-        "5",
-        "6",
         "7"
       ]
     },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "4",
-        "5",
-        "6",
         "7"
       ]
     },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "4",
-        "5",
-        "6",
         "7"
       ]
     },
     {
       "operatingsystem": "Scientific",
       "operatingsystemrelease": [
-        "4",
-        "5",
-        "6",
         "7"
       ]
     },

spec/classes/dependencies_spec.rb

@@ -14,18 +14,8 @@
         it { is_expected.to contain_package('which') }
         it { is_expected.to contain_package('gcc') }
         it { is_expected.not_to contain_package('build-essential') }
-        case os_facts[:operatingsystemmajrelease]
-        when '5'
-          if %w[CentOS RedHat].include? os_facts[:operatingsystem]
-            it { is_expected.to contain_package('autoconf') } # rubocop:disable RSpec/RepeatedExample
-            it { is_expected.to contain_package('curl-devel') }
-            it { is_expected.not_to contain_package('libcurl-devel') }
-          end
-        when '6', '7'
-          it { is_expected.to contain_package('libcurl-devel') }
-          it { is_expected.not_to contain_package('autoconf') }
-          it { is_expected.not_to contain_package('curl-devel') }
-        end
+        it { is_expected.to contain_package('libcurl-devel') }
+        it { is_expected.not_to contain_package('autoconf') }
       when 'Debian'
         it { is_expected.to contain_package('autoconf') } # rubocop:disable RSpec/RepeatedExample
         it { is_expected.to contain_package('build-essential') }