diff --git a/bootstrap.sh b/bootstrap.sh new file mode 100755 index 0000000..00dc2a9 --- /dev/null +++ b/bootstrap.sh @@ -0,0 +1,172 @@ +#! /bin/bash +# +# bootstrap +# General-purpose home directory bootstrap script +# Copyright (C) 2020 Vintage Salt +# +# Distributed under terms of the MIT license. +# +set -e + +# Read-only set-once variables +declare -r _name="$(basename -- "$0")" +# Options +declare -i _opthelp +declare -i _optverbose +declare _optdest="$HOME" +declare _optgitdir=".dotfiles" +declare _optrepo="git@git.9iron.club:salt/home" +# Working variables +declare -a _args +declare _return + +# Helper functions +log() { + # Print a line to the terminal if _optverbose is greater than $2 + # $2 defaults to 0 + # loglevel 0: Daily-use messages + # loglevel 1: Detailed but not quite debugging + # loglevel 2: Definitely debugging + [ -z "$1" ] && return 1 + if (( _optverbose >= ${2:-0} )); then + printf "%s\\n" "$1" + fi +} +warn() { + # Print a yellow line to the terminal, respecting _optverbose + [ -z "$1" ] && return 1 + if (( _optverbose >= ${2:-0} )); then + if [ -t 1 ]; then + printf "\\e[33m%s\\e[0m\\n" "$1" + else + printf "WARN: %s\\n" "$1" + fi + fi +} +error() { + # Print a red line to the terminal, exit if $2 is specified + [ -z "$1" ] && return 1 + if [ -t 2 ]; then + printf "\\e[31m%s\\e[0m\\n" "$1" 1>&2 + else + printf "ERROR: %s\\n" "$1" 1>&2 + fi + [ -z "$2" ] && return + exit "${2:-1}" +} +has() { + # Parse out all arguments and try to find them in path + # If an argument cannot be found, set _return and fail + for prog in "$@"; do + if ! command -v "$prog" > /dev/null 2>&1; then + _return="$prog" + return 1 + fi + done + return 0 +} + +# Helper functions +cleanup() { + [ -z "$1" ] && warn "No argument passed to cleanup" + rm -rf "$1" || warn "Failed to remove $1: $?" +} + +# Core program functions +printhelp() { + cat << EOF +Usage: $_name [OPTION]... + + -d Bootstrap directory. Defaults to ~ + -h Print this help text + -r Repository. Defaults to git@git.9iron.club:salt/home + -v Print more status messages. Stacks + +Copyright (c) 2020 rehashedsalt@cock.li +Licensed under the MIT license +EOF +} +build-home() { + # Build a home directory + local repo="$_optrepo" + local dest="$_optdest" + log "Using remote repository $repo" 2 + log "Using destination $dest" 2 + + # Build a skeleton folder layout + log "Building skeleton folder layout" + pushd "$dest" > /dev/null 2>&1 + mkdir Desktop Documents Downloads Music Pictures Projects Public Templates Videos || warn "Error creating skeleton folder layout" + chmod 775 Public || warn "Error making directory Public world-accessible" + popd > /dev/null 2>&1 + + # Clone our repo into a temporary directory + log "Cloning repository into temporary directory" + local tmpdir="$(mktemp -d "tmp.$USER.$_name.XXXXXXXX" --tmpdir )" + trap "cleanup $tmpdir" EXIT + pushd "$tmpdir" > /dev/null 2>&1 + git clone \ + --recursive \ + --depth 50 \ + --separate-git-dir="./$_optgitdir" \ + "$repo" \ + "$tmpdir" > /dev/null 2>&1 + popd > /dev/null 2>&1 + + # Sync the temporary directory over + log "Moving cloned repository into destination" + rsync -rl "$tmpdir/" "$dest/" +} + +# Main +main() { + # Parse out arguments + while [ -n "$1" ]; do + # Parse out flags + while getopts ":c:d:hr:v" opt; do + case $opt in + d) + _optdest="$OPTARG" + ;; + h) + _opthelp=1 + ;; + r) + _optrepo="$OPTARG" + ;; + v) + _optverbose+=1 + ;; + :) + error "Option requires argument: -$OPTARG" 2 + ;; + *) + error "Invalid option: -$OPTARG" 2 + ;; + esac + done + # Store arguments + shift $((OPTIND - 1)) + if [ -n "$1" ]; then + _args+=("$1") + shift + fi + unset OPTIND + done + # Early hook for help + [ -n "$_opthelp" ] && printhelp && exit 0 + # Validate critical options + # TODO: That + # Validate core program dependencies + log "Validating dependencies" 2 + if ! has basename git mktemp rsync; then + error "Failed to find program: $_return" 1 + fi + + # Do the do + build-home + exit 0 +} + +main "$@" +