Archive marked git repositories daily commits to Day One and/or text file. Improved by @DivineDominion

gitlogger.rb

#!/usr/bin/env ruby
require 'time'
require 'erb'
require 'cgi'

filename = "~/.gitlogger"
## File format, One per line
# Repo Name:/path/to/base
dayone = false # log to day one? (true or false)
textlog = false # "~/Dropbox/nvALT2.2/GitLogger.md" # set to false to disable

git_user = %x{git config --get user.name}.strip
git_user = ENV['GIT_AUTHOR_NAME'] if git_user == ''
git_user = '.' if git_user == ''

entrytext = ""

File.open(File.expand_path(filename), 'r') do |infile|
  while (line = infile.gets)
    name, path = line.strip.split(':')
    Dir.chdir(path)

    repo_log = ''
    repo_log = %x{git log --first-parent --no-merges --author="#{git_user}" --pretty=format:"%%NEWLINE**[#{name}]** %%%ct%%: %s (%h)%n    %+b%n" --since="yesterday"}.gsub(/%(\d+)%/) { |timestamp|
      timestamp.gsub!(/%/,'')
      Time.at(timestamp.to_i).strftime("%H:%M").gsub(/^0/,'')
    }
    # if no remote repository is specified, `git fetch` will output
    # error messages;  so we silence them
    repo_log = %x{git fetch 2>/dev/null && git log --remotes --first-parent --no-merges --author="#{git_user}" --pretty=format:"* **[#{name}]** %%%ct%%: %s (%h)%n    %+b%n" --since="yesterday"}.gsub(/%(\d+)%/) { |timestamp|
      timestamp.gsub!(/%/,'')
      Time.at(timestamp.to_i).strftime("%H:%M").gsub(/^0/,'')
    } if repo_log == ''
    entrytext += repo_log
  end
end

exit if entrytext.strip == ""

# remove the weird empty lines at the beginning
entrytext = entrytext.gsub(/^\s{4}\n/,"").gsub(/\n{3,}/m,"\n\n")

entries = entrytext.split('%NEWLINE')
output = []

# the first line is always empty gibberish and will be omitted
entries[1..-1].each do |entry|
  entry.gsub!(/^(.+)$/, '    \1')
  entry[0] = "*"
  output << entry
end
entrytext = output.join
entrytext << "\n"

if dayone
  uuid = %x{uuidgen}.gsub(/-/,'').strip
  datestamp = Time.now.utc.iso8601
  starred = false

  dayonedir = %x{ls ~/Library/Mobile\\ Documents/|grep dayoneapp}.strip
  dayonepath = "~/Dropbox/Apps/Day\ One/Journal.dayone/entries/"
  #"~/Library/Mobile\ Documents/#{dayonedir}/Documents/Journal_dayone/entries/"
  entry = CGI.escapeHTML("Git Log #{Time.now.strftime("%Y-%m-%d")}:\n\n#{entrytext}")
  template = ERB.new <<-XMLTEMPLATE
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>Creation Date</key>
  <date><%= datestamp %></date>
  <key>Entry Text</key>
  <string><%= entry %></string>
  <key>Starred</key>
  <<%= starred %>/>
  <key>UUID</key>
  <string><%= uuid %></string>
</dict>
</plist>
XMLTEMPLATE

  fh = File.new(File.expand_path(dayonepath+uuid+".doentry"),'w+')
  fh.puts template.result(binding)
  fh.close
  # puts "ENTRY ADDED"
  # puts "------------------------"
  # puts "Time:    " + datestamp
  # puts "UUID:    " + uuid
  # puts "Starred: " + starred.to_s
  # puts "Entry:   " + entrytext
end

if textlog
  entry = "---\n\n### #{Time.now.strftime("%D")}:\n\n#{entrytext}"
  open(File.expand_path(textlog), 'a') { |f|
    f.puts entry
  }
end

I updated my fork to read the past day's complete history instead of the last 24hrs. The old behavior was unreliable when the Mac was asleep since before LaunchAgent triggers script execution.

https://gist.github.com/DivineDominion/5775355