GitModule.get_diff_2_commits

You're seeing just the function get_diff_2_commits, go back to GitModule module for more information.
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get_diff_2_commits(repo, list)

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Specs

get_diff_2_commits(Git.Repository.t(), [any()]) :: {:ok, [String.t()]} | []

get_last_n_commits/2: returns a list of lines generated from the diff of two commits