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Versions: 14
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Contents
require 'pre-commit/checks/shell'
require 'pre-commit/error_list'
require 'pre-commit/line'
module PreCommit
module Checks
class Grep < Shell
class PaternNotSet < StandardError
def message
"Please define 'pattern' method."
end
end
# overwrite those:
def files_filter(staged_files)
staged_files
end
def extra_grep
@extra_grep or []
end
def message
@message or ""
end
def pattern
@pattern or raise PaternNotSet.new
end
# general code:
def call(staged_files)
staged_files = files_filter(staged_files)
return if staged_files.empty?
result =
in_groups(staged_files).map do |files|
args = grep + [pattern] + files
args += ["|", "grep"] + extra_grep if !extra_grep.nil? and !extra_grep.empty?
execute(args, success_status: false)
end.compact
result.empty? ? nil : parse_errors(message, result)
end
private
def parse_errors(message, list)
result = PreCommit::ErrorList.new(message)
result.errors +=
list.map do |group|
group.split(/\n/)
end.flatten.compact.map do |line|
PreCommit::Line.new(nil, *parse_error(line))
end
result
end
def parse_error(line)
matches = /^([^:]+):([[:digit:]]+):(.*)$/.match(line)
matches and matches.captures
end
def grep(grep_version = nil)
grep_version ||= detect_grep_version
if grep_version =~ /FreeBSD/
%w{grep -EnIH}
else
%w{grep -PnIH}
end
end
def detect_grep_version
`grep --version | head -n 1 | sed -e 's/^[^0-9.]*\([0-9.]*\)$/\1/'`
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems