To install DeprecationRecommenderSpec, go to the Playground (Ctrl+OW) in your Pharo image and execute the following Metacello script (select it and press Do-it button or Ctrl+D):
Metacello new
baseline: 'DeprecationRecommenderSpec';
repository: 'github://olekscode/DeprecationRecommenderSpec/src';
load.If you want to add a dependency on DeprecationRecommenderSpec to your project, include the following lines into your baseline method:
spec
baseline: 'DeprecationRecommenderSpec'
with: [ spec repository: 'github://olekscode/DeprecationRecommenderSpec/src' ].If you are new to baselines and Metacello, check out the Baselines tutorial on Pharo Wiki.