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 ""
  58     echo "Installing files..."
  59     echo "# Empty" > $HOME/.viminfo
  60     ln -s $HOME/.vim/init.vim $HOME/.vimrc
  61     ln -s $HOME/.vim/gvimrc $HOME/.gvimrc
  62     ln -s $HOME/.vim $HOME/.config/nvim
  63
  64     echo ""
  65     echo "vim-startify may complain about invalid viminfo file. It will"
  66     echo "disappear once you opened the first file."
  67     echo ""
  68     echo "Add this line to your shell configuration, e.g., ~/.profile, to"
  69     echo "use vim as man pager:"
  70     echo "  export MANPAGER=\"view -c MANPAGER -\""
  71 }
  72
  73
  74 check_requirements
  75 install