A little fun with git, LibreOffice, and Python3....

cherrylog.py

#!/usr/bin/env python3
# -*- Mode: python; coding: utf-8 -*-
# ---------------------------------------------------------------
# Copyright © 2015 Jason J.A. Stephenson <jason@sigio.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# ---------------------------------------------------------------

import re, subprocess, sys, time, uno
from com.sun.star.connection import NoConnectException

def soffice_desktop():
    localContext = uno.getComponentContext()
    resolver = localContext.ServiceManager.createInstanceWithContext("com.sun.star.bridge.UnoUrlResolver", localContext)
    try:
        ctx = resolver.resolve("uno:socket,host=localhost,port=2002;urp;StarOffice.ComponentContext")
    except NoConnectException:
        # The below works even if soffice is already running!
        subprocess.Popen(['soffice', '--accept=socket,host=localhost,port=2002;urp;'])
        time.sleep(1) # Give it a chance to setup the port.
        ctx = resolver.resolve("uno:socket,host=localhost,port=2002;urp;StarOffice.ComponentContext")
    smgr = ctx.ServiceManager
    desktop = smgr.createInstanceWithContext("com.sun.star.frame.Desktop", ctx)
    return desktop

def gather_args():
    args = { "upstream": None, "head": None, "limit": None }
    if len(sys.argv) > 1:
        args["upstream"] = sys.argv[1]
    if len(sys.argv) > 2:
        args["head"] = sys.argv[2]
    if len(sys.argv) > 3:
        args["limit"] = sys.argv[3]
    return args
    

def gather_commits(upstream=None, head=None, limit=None):
    args = ["git", "cherry", "-v"]
    if upstream:
        args.append(upstream)
    if head:
        args.append(head)
    if limit:
        args.append(limit)
    with subprocess.Popen(args, stdout=subprocess.PIPE) as git:
        commits = git.stdout.read().decode('utf8').splitlines()
    return commits

def get_log(commit):
    with subprocess.Popen(["git", "log", "-n 1", "--pretty=fuller", commit], stdout=subprocess.PIPE) as git:
        log = git.stdout.read().decode('utf8')
    return log

def main():
    ignore = re.compile(r"\b(?:stamp(?:ing)?|doc(?:s|ument(?:ation)?)|release notes?)\b", re.IGNORECASE)
    desktop = soffice_desktop()
    logDoc = desktop.loadComponentFromURL("private:factory/swriter", "_default", 0, ())
    logText = logDoc.Text
    logCursor = logText.createTextCursor()
    cherryArgs = gather_args()
    for cherry in gather_commits(**cherryArgs):
        if cherry.startswith('+ '):
            commit = cherry[2:42]
            firstLine = cherry[43:]
            if not re.search(ignore, firstLine):
                logText.insertString(logCursor, get_log(commit) + "\r", 0)
        else:
            print(cherry)

if __name__ == "__main__":
    main()