iframe-proxy | Sunbelt Computer Software

46 lines (35 loc) · 1.2 KB

module Overcommit::Hook::CommitMsg

# Ensures the number of columns the subject and commit message lines occupy is

# under the preferred limits.

class TextWidth < Base

def run

return :pass if empty_message?

@errors = []

find_errors_in_subject(commit_message_lines.first.chomp)

find_errors_in_body(commit_message_lines)

return :warn, @errors.join("\n") if @errors.any?

:pass

end

private

def find_errors_in_subject(subject)

max_subject_width =

config['max_subject_width'] +

special_prefix_length(subject)

return unless subject.length > max_subject_width

@errors << "Please keep the subject <= #{max_subject_width} characters"

end

def find_errors_in_body(lines)

return unless lines.count > 2

max_body_width = config['max_body_width']

lines[2..-1].each_with_index do |line, index|

if line.chomp.size > max_body_width

@errors << "Line #{index + 3} of commit message has > " \

"#{max_body_width} characters"

end

def special_prefix_length(subject)

subject.match(/^(fixup|squash)! /) { |match| match[0].length } || 0

end

Sunbelt Computer Software