gitpython-developers/GitPython — pull request #198 by folti (2014-11-05 16:18:12+00:00)
Title: GitRunCommand exception can store stdout output too.

Some git commands, like git merge outputs their problems onto stdout,
instead of stderr, which will be thrown away by the current setup. This
change allows the GitPython commands to store the stdout's value too,
in case of error.