I think this one can be autocorrected.
┃ [R] ↗ Use a function call when a pipeline is only one function long.
┃ apps/maintenance/lib/maintenance/git.ex:55 #(Maintenance.Git.get_last_commit_id)
from
commit_id = String.split(response_string) |> List.first()
to
commit_id = response_string |> String.split() |> List.first()