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| require 'open3'
require 'date'
def get_commit_list(author_name)
commit_list = []
git_log_command = "git log --author='#{author_name}' --pretty='format:%H|%ad|%an' --numstat"
Open3.popen3(git_log_command) do |stdin, stdout, stderr, wait_thr|
commit_info = {}
stdout.each_line do |line|
if line =~ /\|/
commit_id, date_str, author = line.chomp.split("|")
date = Date.parse(date_str)
commit_info = {
commit_id: commit_id,
date: date,
author: author,
added_lines: 0,
removed_lines: 0
}
elsif line =~ /^(\d+)\s+(\d+)/
added_lines = $1.to_i
removed_lines = $2.to_i
commit_info[:added_lines] += added_lines
commit_info[:removed_lines] += removed_lines
elsif line.strip.empty?
commit_list << commit_info
end
end
commit_list << commit_info unless commit_info.empty?
end
commit_list
end
def commits_histogram(commits, start_date)
histogram = Hash.new { |hash, key| hash[key] = { commits: 0, added_lines: 0, removed_lines: 0 } }
commits.each do |commit|
year = commit[:date].year
start_new_year = Date.new(year, start_date[0], start_date[1])
target_year = commit[:date] >= start_new_year ? year : year - 1
hist = histogram[target_year]
hist[:commits] += 1
hist[:added_lines] += commit[:added_lines]
hist[:removed_lines] += commit[:removed_lines]
end
histogram.sort.reverse.to_h
end
COLOR_GREEN = 32
COLOR_RED = 31
def colorize(text, color_code)
"\e[#{color_code}m#{text}\e[0m"
end
def format_added(num)
text = format('+%5d', num)
colorize(text, COLOR_GREEN)
end
def format_removed(num)
text = format('-%5d', num)
colorize(text, COLOR_RED)
end
def format_net(num)
color_code = num >= 0 ? COLOR_GREEN : COLOR_RED
text = format('%5d', num)
colorize(text, color_code)
end
def print_yearly_stats(author_name, start_date)
commits = get_commit_list(author_name)
histogram = commits_histogram(commits, start_date)
puts "Yearly stats:"
total_commits = 0
total_added_lines = 0
total_removed_lines = 0
histogram.each do |year, data|
net_color = data[:added_lines] >= data[:removed_lines] ? COLOR_GREEN : COLOR_RED
commits_line = format('%4d: %3d commits; LOC: %s, %s, net: %s',
year, data[:commits],
format_added(data[:added_lines]),
format_removed(data[:removed_lines]),
format_net(data[:added_lines] - data[:removed_lines])
)
puts commits_line
total_commits += data[:commits]
total_added_lines += data[:added_lines]
total_removed_lines += data[:removed_lines]
end
puts "===="
sum_line = format("Sum: %4d commits; LOC: %s, %s, net: %s",
total_commits,
format_added(total_added_lines),
format_removed(total_removed_lines),
format_net(total_added_lines - total_removed_lines)
)
puts sum_line
end
start_date = [1, 1]
author_name = 'First \(Middle \)\?Last'
print_yearly_stats(author_name, start_date)
|