bootstrap

#!/bin/bash
#
# Minimal script to bootstrap https://yadm.io before it clones our dotfiles

unset GIT_DIR GIT_WORK_TREE INTERACTIVE XDG_CONFIG_HOME
command -v bash >/dev/null 2>&1 || { printf >&2 "\e[31mERROR\e[0m: bash must be installed!\n" && exit 1; }
command -v git >/dev/null 2>&1 || { printf >&2 "\e[31mERROR\e[0m: git must be installed!\n" && exit 1; }
[ -n "$BASH_VERSION" ] || { printf >&2 "\e[31mERROR\e[0m: must be executed using bash!\n" && exit 1; }
set -euo pipefail

# Prompt for and remember password
echo "Prompting for sudo password"
if [ "${EUID:-$(id -u)}" -eq 0 ]; then
    :
elif [ -t 0 ]; then
    sudo --validate
else
    sudo -n true
fi
while true; do
    command -v sudo &>/dev/null || exit
    sudo -n true
    sleep 60
    kill -0 "$$" || exit
done &>/dev/null &

# On macOS, the default git needs CLT. Let brew install them headlessly.
if [ "$(uname)" = "Darwin" ] && ! [ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]; then
    echo "Installing Homebrew"
    NONINTERACTIVE=1 /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
fi

# Install yadm and run bootstrap
echo "Bootstrapping dotfiles"
# shellcheck source=/dev/null
source /dev/stdin <<<"$(curl -fsSL bootstrap.yadm.io)"
yadm clone --bootstrap https://github.com/branchvincent/dotfiles.git -f