install

#!/bin/sh
# installer script to install vimdot
echo "* vimdot installer"
OPT_PATH=~/.vim/pack/plugins/opt
INSTALL_PATH=~/.vim/pack/plugins/start

# helper func
beginswith() { case $2 in "$1"*) true;; *) false;; esac; }

# check for config updates
if [ -z "$VIMDOT_UPDATED" ]; then
    echo "* checking for config updates..."
    git fetch --quiet

    BEHIND=$(git rev-list --count HEAD..@{u} 2>/dev/null)
    if [ "$BEHIND" -gt 0 ]; then
        echo "* found $BEHIND new commits! pulling latest config..."
        git diff HEAD..@{u} >changes.diff
        echo "* saved changes to changes.diff"
        git pull --quiet

        echo "* restarting script..."
        export VIMDOT_UPDATED=1
        exec "$0" "$@"
    else
        echo "* no updates found..."
    fi
fi

echo -------------------------------------------------

echo "* copying vimrc"
cp .vimrc ~

echo -------------------------------------------------

echo "* installing plugins"

# setup directory
cp -r .vim ~

# install the plugins
silent_clone() {
    if beginswith opt: $1; then
        parsed=$(echo $1 | cut -d":" -f2)
        url=https://github.com/$parsed
        name=${parsed##*/}
        loc=${OPT_PATH}/$name
    else
        url=https://github.com/$1
        name=${1##*/}
        loc=${INSTALL_PATH}/$name
    fi

    if [ ! -d $loc ]; then  # install plugin unless it already exists
        git clone --depth=1 $url $loc --quiet
        echo "+ $name"
    fi
}

while read -r plugin; do
if [ $plugin ]; then
    silent_clone $plugin &
fi
done <./plugins
wait

echo -------------------------------------------------

echo "* finished installing!"