install.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 check_vim()
   6 {
   7     if /usr/bin/vim --version | grep -q "$1"; then
   8         echo "vim has support for $1."
   9     else
  10         echo "vim has no support for $1. Aborting."
  11         exit
  12     fi
  13 }
  14
  15 check_py3()
  16 {
  17     if python3 -c "import $1" 2>/dev/null; then
  18         echo "Python3 module '$1' exists."
  19     else
  20         echo "Python3 module '$1' missing. Aborting."
  21         exit
  22     fi
  23 }
  24
  25 check_prog()
  26 {
  27     if which "$1" > /dev/null; then
  28         echo "$1 found"
  29     else
  30         echo "$1 not found. Aborting."
  31         exit
  32     fi
  33 }
  34
  35 check_requirements()
  36 {
  37     check_vim +python3
  38     check_prog aspell
  39     check_py3 neovim
  40 }
  41
  42 backup() {
  43     if [ -e $1 ]; then
  44         echo "  Move $1"
  45         mv $1 $2/
  46     fi
  47 }
  48
  49 install() {
  50     BACKUPDIR=$(mktemp -d "$HOME/.vim-old-XXXXXXXX")
  51     echo "Move old vim files to $BACKUPDIR"
  52     backup $HOME/.viminfo $BACKUPDIR
  53     backup $HOME/.vimrc $BACKUPDIR
  54     backup $HOME/.gvimrc $BACKUPDIR
  55     backup $HOME/.config/nvim $BACKUPDIR
  56
  57     echo "Installing files."
  58     echo "# Empty" > $HOME/.viminfo
  59     ln -s $HOME/.vim/init.vim $HOME/.vimrc
  60     ln -s $HOME/.vim/gvimrc $HOME/.gvimrc
  61     ln -s $HOME/.vim $HOME/.config/nvim
  62
  63     echo ""
  64     echo "vim-startify may complain about invalid viminfo file. It will"
  65     echo "disappear once you opened the first file."
  66 }
  67
  68
  69 check_requirements
  70 install