RE: co-authoring commits

["Jason Pyeron" <jpyeron@pdinc.us>]

> -----Original Message-----
> From: Theodore Ts'o
> Sent: Wednesday, June 17, 2015 6:52 PM
> 
> On Wed, Jun 17, 2015 at 10:26:32PM +0200, Tuncer Ayaz wrote:
> > 
> > By allowing multiple authors, you don't have to decide who's the 
> > primary author, as in such situations usually there is no 
> primary at 
> > all. I sometimes deliberately override the author when 
> committing and 
> > add myself just as another co-author in the commit message, but as 
> > others have noted it would be really great if we can just specify 
> > multiple authors.
<snip/>
> One could imagine some frankly, quite rare example where 
> there is a team of people who votes on each commit before it 
> gets sent out and where everyone is equal and there is no 
> hierarchy.  In that case, perhaps you could set the from 
> field to a mailing list address.

This is a perfect use the signed commit by multiple persons. Git already
supports it (under the hood and in reporting).

A quick google pulled up my notes on this:

http://marc.info/?l=git&m=140845378317052&w=2

$ cat merge-multisigs.sh
#!/bin/bash
(
 for i in "$@"
 do
  gpg --dearmor < "$i"
 done
) | gpg --enarmor

$ cat write-commit.ruby
#!/usr/bin/irb
require 'fileutils'
file = File.open(ARGV[0], "rb")
content = file.read
header = "commit #{content.length}\0"
store = header + content
require 'digest/sha1'
sha1 = Digest::SHA1.hexdigest(store)
require 'zlib'
zlib_content = Zlib::Deflate.deflate(store)
path = '.git/objects/' + sha1[0,2] + '/' + sha1[2,38]
FileUtils.mkdir_p(File.dirname(path))
File.open(path, 'w') { |f| f.write zlib_content }


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