Hi Christian, Thank you for the reply. After I got the reply from Szedar I was so excited about git community passion for help. And your reply made me ever more assure in it. Once again thank your for the comprehensive answer. I appreciate Daniel German's research and going to try token based method in my task as well. Have a nice day, Vladimir 2018-04-21 8:43 GMT+02:00 Christian Couder <christian.couder@xxxxxxxxx>: > Hi, > > On Sat, Apr 21, 2018 at 8:19 AM, Vladimir Gorshenin > <gorshenin.vladimir@xxxxxxxxxxxxxx> wrote: >> Hi, >> >> My team and I as well as millions of other developers are excited to >> have such tool at hand as Git. It helps us a lot. >> >> Now we challenged ourselves to be even more productive with Git >> analyzing our usage history. > > What kind of analysis do you want to do? Is it the same kind of > analysis as described in the "Token-based authorship information from > Git" article (https://lwn.net/Articles/698425/) on LWN.net? > >> And there is a problem, which I believe is fundamental for Git (please >> prove me wrong): how to find all overlapping commits, e.g. touching >> the same lines of code? > > It is not very clear what you would consider overlapping commits or > commits touching the same lines of code. If some lines of code have > been duplicated in different files, for example, are the commits > touching the original lines relevant to what happened to the > duplicated lines? And what about lines that were moved from one file > to another or in the same file? > >> I played with “Git diff” and “Git blame” but without a reliable >> result. “Git diff” gives only relative number of lines and it’s not >> easy to track these number through 1000+ commits. “Git blame” has nice >> output but without any information about deletion. > > Did you try 'git log -L' as Szeder Gábor just suggested? > >> What would you advice me to do? > > If 'git log -L' and other git commands are not doing what you want, > you might want to take a look at cregit > (https://github.com/cregit/cregit) and maybe at other work from the > people who developed it. The above LWN.net article is about their > early work. > > There are links related to this tool in: > https://git.github.io/rev_news/2017/05/17/edition-27/