lib/hoc/git.rb
# Copyright (c) 2014-2024 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require 'date'
require 'hoc/hits'
module HOC
# Git source code base.
class Git
def initialize(dir, exclude, author, since, before)
@dir = dir
@exclude = exclude
@author = author
@since = since
@before = before
end
def hits
version = `git --version`.split(/ /)[2]
raise "git version #{version} is too old, upgrade it to 2.0+" unless
Gem::Version.new(version) >= Gem::Version.new('2.0')
cmd = [
"cd #{@dir} && git",
'log', '--pretty=tformat:', '--numstat',
'--ignore-space-change', '--ignore-all-space',
'--ignore-submodules', '--no-color',
'--find-copies-harder', '-M', '--diff-filter=ACDM',
"'--author=#{@author}'",
"'--since=#{@since}'",
"'--before=#{@before}'",
'--', '.',
@exclude.map { |e| "':(exclude,glob)#{e}'" }.join(' ')
].join(' ')
[
Hits.new(
Time.now,
`#{cmd}`.split(/\n/).delete_if(&:empty?).map do |t|
t.split(/\t/).take(2).map(&:to_i).inject(:+)
end.inject(:+) || 0
)
]
end
end
end