Verify .NET runtime dependencies

Author: runesoerensen

spec/fixtures/basic_web_8.0/bin/test-runtime.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Check that all dynamically linked libraries exist in the run image
+INSTALL_DIR="$(command -v dotnet)"
+ldd_output=$(find "$(dirname "${INSTALL_DIR}")" -type f,l \( -name 'dotnet' -o -name '*.so*' \) -exec ldd '{}' +)
+if grep 'not found' <<<"${ldd_output}" | sort --unique; then
+	echo "The above dynamically linked libraries were not found!"
+	exit 1
+else
+	echo "All dynamically linked libraries were found."
+fi

spec/hatchet/buildpack_spec.rb

@@ -40,6 +40,8 @@
           remote:        Procfile declares types     -> \\(none\\)
           remote:        Default types for buildpack -> foo
         REGEX
+
+        expect(app.run('bin/test-runtime.sh')).to match('All dynamically linked libraries were found.')
       end
     end
   end