Preselect given subject line
Preselect given subject line

If the subject line is given, let the helpers try to highlight such a
commit message.  This is handy since the commit detail panel appears
again and one can assure to have selected the right one.  (Or quickly
look at the diff again etc.)

divmain/GitSavvy,divmain/GitSavvy,divmain/GitSavvy