apt-get install cgit highlight

cp -a /usr/lib/cgit /srv/www/
chown -R webrunner:webrunner /srv/www/cgit

vi /srv/www/cgit/cgitrc
cp /srv/www/cgit/cgitrc /etc
chown -R webrunner:webrunner /srv/www/cgit

cd /srv/www/jogamp.org/
mv git git-old    
mkdir git
ln -s /srv/www/cgit cgit
chown -R webrunner:webrunner git cgit

Normal:
    ScriptAlias /cgit/ "/srv/www/cgit/cgit.cgi/"
    #RedirectMatch ^/cgit$ /cgit/
    Alias /cgit-css "/usr/share/cgit/"
    <Directory "/srv/www/cgit/">
       AllowOverride None
       Options ExecCGI FollowSymlinks
       Require all granted
    </Directory>
    <Directory "/srv/www/jogamp.org/git">
        Include sites-available/gitweb-to-cgit-rel.conf
    </Directory>

SSL:
    ScriptAlias /cgit/ "/srv/www/cgit/cgit.cgi/"
    #RedirectMatch ^/cgit$ /cgit/
    Alias /cgit-css "/usr/share/cgit/"
    <Directory "/srv/www/cgit/">
       AllowOverride None
       Options ExecCGI FollowSymlinks
       Require all granted
    </Directory>
    <Directory "/srv/www/jogamp.org/git">
        Include sites-available/gitweb-to-cgit-rel_ssl.conf
    </Directory>