get-zsh-tools

#!/bin/bash

tools=(
    https://github.com/d10n/even-faster-vcs-info.git
    https://github.com/zsh-users/zsh-history-substring-search.git
    https://github.com/zdharma-continuum/fast-syntax-highlighting.git
    https://github.com/funtoo/keychain.git
)

if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
    echo 'Execute this file instead of sourcing it'
    return 1
fi

if [[ $UID = 0 ]] && [[ "$1" != '-f' ]]; then
    echo 'Pass the -f flag to allow running this script as root'
    exit 1
fi

SOURCE="${BASH_SOURCE[0]}"
while [[ -L "$SOURCE" ]]; do
    DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
    SOURCE="$(readlink "$SOURCE")"
    [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
DOTFILES_DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
cd "$DOTFILES_DIR" || { echo >&2 'Error finding dotfiles dir'; exit 1; }

mkdir -p zsh-libs
pushd zsh-libs
for tool in "${tools[@]}"; do
    dir_name="$(basename "${tool/.git}")"
    if [[ ! -d "$dir_name" ]]; then
        git clone "$tool"
    fi
    pushd "$dir_name"
    git pull
    command -v make &>/dev/null && [[ -f Makefile ]] && make
    popd
done
popd