拒绝打包影响官方源的包

[依云]

具体来说，是

• replaces 官方包的包
• group 为官方组的包

[CUI Hao]

https://cfp.vim-cn.com/cbfq9?py

• baka-mplayer-git replaces {'baka-mplayer'}
• emacs-git replaces {'emacs'}
• gdm-plymouth is in group {'gnome'}
• gnome-screenshot-heavy-shadow is in group {'gnome'}
• nautilus-typeahead is in group {'gnome'}
• python2-pyside2 is in group {'qt', 'qt5'}
• systemd-git replaces {'systemd'}
• trayer-srg replaces {'trayer'}
• vim-fcitx is in group {'vim-plugins'}
• vim-pathogen is in group {'vim-plugins'}
• vim-ripgrep-git is in group {'vim-plugins'}
• vim-rust-git is in group {'vim-plugins'}
• vim-tern is in group {'vim-plugins'}
• vim-youcompleteme-git is in group {'vim-plugins'}
• xfce4-linelight-plugin is in group {'xfce4-goodies'}
• xfce4-mpc-plugin-update replaces {'xfce4-mpc-plugin'}
• xfce4-mpc-plugin-update is in group {'xfce4-goodies'}
• xfce4-windowck-plugin is in group {'xfce4'}
• xfdesktop-devel is in group {'xfce4'}

[Jiachen Yang]

repo/pre-commit now ready to check these conditions by ./pre-commit -a command.
Travis test run: https://travis-ci.org/archlinuxcn/repo/builds/449964863
Current travis test disables this check by --no-srcinfo option: https://travis-ci.org/archlinuxcn/repo/builds/449967501