give helpful message on unsupported stacks [#96590146]

crawsible · jtarchie · commit 4bcce29adf69 · 2015-06-16T11:40:08.000-04:00
Signed-off-by: JT Archie &lt;jtarchie@gmail.com&gt;
diff --git a/bin/compile b/bin/compile
@@ -14,6 +14,7 @@ nginx_version="1.7.10"
 
 compile_buildpack_dir=$(cd $(dirname $0); cd ..; pwd)
 compile_buildpack_bin=$compile_buildpack_dir/bin
+$compile_buildpack_dir/compile-extensions/bin/check_stack_support
 
 # Load some convenience functions like status(), echo(), and indent()
 source $compile_buildpack_dir/bin/common.sh
diff --git a/cf_spec/unit/compile_spec.rb b/cf_spec/unit/compile_spec.rb
@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+describe 'When running ./bin/compile' do
+  context 'and on an unsupported stack' do
+    before(:all) do
+      @output = `env CF_STACK='unsupported' ./bin/compile #{Dir.mktmpdir} #{Dir.mktmpdir} 2>&1`
+    end
+
+    it 'displays a helpful error message' do
+      expect(@output).to include('not supported by this buildpack')
+    end
+
+    it 'exits with our error code' do
+      expect($?.exitstatus).to eq 44
+    end
+  end
+
+  context 'and on a supported stack' do
+    before(:all) do
+      @output = `env CF_STACK='cflinuxfs2' ./bin/compile #{Dir.mktmpdir} #{Dir.mktmpdir} 2>&1`
+    end
+
+    it 'displays a helpful error message' do
+      expect(@output).to_not include('not supported by this buildpack')
+    end
+
+    it 'does not exit with our error code' do
+      expect($?.exitstatus).to_not eq 44
+    end
+  end
+end
+
diff --git a/compile-extensions b/compile-extensions
@@ -1 +1 @@
-Subproject commit f752ecf4b27d2f31bb082dfe7a47c76fefc769d7
+Subproject commit 1f260464c156bddfb654adb14298344797d030a1
