```ruby
#
## Copyright:: Copyright (c) 2016 GitLab Inc.
## License:: Apache License, Version 2.0
##
## Licensed under the Apache License, Version 2.0 (the 'License');
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an 'AS IS' BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
#

require "#{Omnibus::Config.project_root}/lib/gitlab/version"

name 'postgres-exporter'
version = Gitlab::Version.new('postgres-exporter', '0.1.1')
default_version version.print

license 'Apache-2.0'
license_file "https://raw.githubusercontent.com/wrouesnel/postgres_exporter/#{version}/LICENSE"

source git: version.remote

relative_path 'src/github.com/wrouesnel/postgres_exporter'

build do
  env = {
    'GOPATH' => "#{Omnibus::Config.source_dir}/postgres-exporter",
    'GO15VENDOREXPERIMENT' => '1' # Build machines have go 1.5.x, use vendor directory
  }
  command 'go build', env: env
  copy 'postgres_exporter', "#{install_dir}/embedded/bin/"
end
```

Switch to local license for pg exporter.
user
```ruby
#
## Copyright:: Copyright (c) 2016 GitLab Inc.
## License:: Apache License, Version 2.0
##
## Licensed under the Apache License, Version 2.0 (the 'License');
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an 'AS IS' BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
#

require "#{Omnibus::Config.project_root}/lib/gitlab/version"

name 'postgres-exporter'
version = Gitlab::Version.new('postgres-exporter', '0.1.1')
default_version version.print

license 'Apache-2.0'
license_file "LICENSE"

source git: version.remote

relative_path 'src/github.com/wrouesnel/postgres_exporter'

build do
  env = {
    'GOPATH' => "#{Omnibus::Config.source_dir}/postgres-exporter",
    'GO15VENDOREXPERIMENT' => '1' # Build machines have go 1.5.x, use vendor directory
  }
  command 'go build', env: env
  copy 'postgres_exporter', "#{install_dir}/embedded/bin/"
end
```
assistant