install.sh

#!/bin/bash

DOTFILESHOME="${ZDOTDIR:-$HOME}"

echo -e 'installing dotfiles...\n'

# make backup folder for old dotfiles
mkdir -p "$DOTFILESHOME"/dotfiles/backup/runcoms

#install prezto (https://github.com/dstibrany/prezto)
echo 'installing prezto'

git submodule update --init --recursive --quiet

for rcfile in "$DOTFILESHOME"/dotfiles/.zprezto/runcoms/*; do
    if [ ! "${rcfile##*/}" = "README.md" ]; then

        # backup old zsh file, if it exists and is not a symlink
        if [ -f "$DOTFILESHOME/.${rcfile##*/}" ] && [ ! -L "$DOTFILESHOME/.${rcfile##*/}" ]; then
            mv "$DOTFILESHOME/.${rcfile##*/}" "$DOTFILESHOME"/dotfiles/backup/runcoms
        fi

        ln -s "$rcfile" "$DOTFILESHOME/.${rcfile##*/}"
    fi
done

ln -s "$DOTFILESHOME"/dotfiles/.zprezto/ "$DOTFILESHOME"/.zprezto

# backup and copy all .rc files (eg. bashrc, bash_profile, gitconfig, etc.)
echo "backing up old dotfiles and linking in new ones"

for rcfile in "$DOTFILESHOME"/dotfiles/runcoms/*; do

    # backup old dotfile, if it exists
    if [ -f "$DOTFILESHOME/.${rcfile##*/}" ] && [ ! -L "$DOTFILESHOME/.${rcfile##*/}" ]; then
        mv "$DOTFILESHOME/.${rcfile##*/}" "$DOTFILESHOME"/dotfiles/backup/runcoms
    fi

    # link new dotfile
    ln -s "$rcfile" "$DOTFILESHOME/.${rcfile##*/}"
done

#backup old bin directory
echo "backing up $DOTFILESHOME/bin"

if [ -d "$DOTFILESHOME"/bin ]; then
    cp -r "$DOTFILESHOME"/bin "$DOTFILESHOME"/dotfiles/backup
    rm -rf "$DOTFILESHOME"/bin
fi

#link new bin directory
echo "linking $DOTFILESHOME/bin"
ln -s "$DOTFILESHOME"/dotfiles/bin "$DOTFILESHOME"/bin

#backup old vim directory
echo "backing up $DOTFILESHOME/.vim"
if [ -d "$DOTFILESHOME"/.vim ]; then
    cp -r "$DOTFILESHOME"/.vim "$DOTFILESHOME"/dotfiles/backup
    rm -rf "$DOTFILESHOME"/.vim
fi

#link new vim directory
echo "linking $DOTFILESHOME/.vim"
ln -s "$DOTFILESHOME"/dotfiles/vim "$DOTFILESHOME"/.vim

#link iterm directory
echo "linking $DOTFILESHOME/.iterm"
rm -rf "$DOTFILESHOME"/.iterm
ln -s "$DOTFILESHOME"/dotfiles/iterm "$DOTFILESHOME"/.iterm

# compile lesskey file
echo "compiling ~/.lesskey into ~/.less"
lesskey -o "$DOTFILESHOME"/.less -- "$DOTFILESHOME"/.lesskey

unset DOTFILESHOME

echo -e '\n...done installing dotfiles'