Merge pull request #1587 from chef/adamleff/fix-nokogiri-for-habitat

Fix Habitat plan for nokogiri support

habitat/plan.sh

@@ -10,6 +10,8 @@ pkg_license=('Apache-2.0')
 pkg_source=false
 pkg_deps=(
   core/coreutils
+  core/libxml2
+  core/libxslt
   core/ruby
   core/net-tools
 )
@@ -44,8 +46,23 @@ GEMFILE
 }
 
 do_build() {
-  export BUNDLE_SILENCE_ROOT_WARNING=1 GEM_PATH
-  GEM_PATH="$(pkg_path_for core/bundler)"
+  local _bundler_dir
+  local _libxml2_dir
+  local _libxslt_dir
+
+  _bundler_dir="$(pkg_path_for bundler)"
+  _libxml2_dir="$(pkg_path_for libxml2)"
+  _libxslt_dir="$(pkg_path_for libxslt)"
+
+  export GEM_HOME=${pkg_path}/vendor/bundle
+  export GEM_PATH=${_bundler_dir}:${GEM_HOME}
+  export BUNDLE_SILENCE_ROOT_WARNING=1
+
+  # don't let bundler split up the nokogiri config string (it breaks
+  # the build), so specify it as an env var instead
+  export NOKOGIRI_CONFIG="--use-system-libraries --with-zlib-dir=${_zlib_dir} --with-xslt-dir=${_libxslt_dir} --with-xml2-include=${_libxml2_dir}/include/libxml2 --with-xml2-lib=${_libxml2_dir}/lib"
+  bundle config build.nokogiri "${NOKOGIRI_CONFIG}"
+
   bundle install --jobs "$(nproc)" --retry 5 --standalone \
     --path "$pkg_prefix/bundle" \
     --binstubs "$pkg_prefix/bin"