class Overcommit::Hook::PreCommit::GoLint

Runs `golint` against any modified Golang files.

@see github.com/golang/lint

Public Instance Methods

run() click to toggle source
# File lib/overcommit/hook/pre_commit/go_lint.rb, line 8
def run
  output = ''

  # golint doesn't accept multiple file arguments if
  # they belong to different packages
  applicable_files.each do |gofile|
    result = execute(command, args: Array(gofile))
    output += result.stdout + result.stderr
  end

  # Unfortunately the exit code is always 0
  return :pass if output.empty?

  # example message:
  #   path/to/file.go:1:1: Error message
  extract_messages(
    output.split("\n"),
    /^(?<file>(?:\w:)?[^:]+):(?<line>\d+)/
  )
end