bootstrap

#!/usr/bin/env bash

#
# Setup tools and functions taken from:
# https://github.com/spf13/spf13-vim
#

# Setup tools
msg() {
  printf '%b\n' "$1" >&2
}

success() {
  if [[ "$ret" != "0" ]]; then
    msg "\33[32m[✔]\33[0m ${1}${2}"
  fi
}

error() {
  msg "\33[31m[✘]\33[0m ${1}${2}"
  exit 1
}

debug() {
  if [[ "$debug_mode" == 1 ]] && [[ "$ret" > 1 ]]; then
    msg "An error occurred in function \"${FUNCNAME[$i+1]}\" on line " \
      "${BASH_LINENO[$i+1]}, we're sorry for that."
  fi
}

program_exists() {
  local ret='0'
  command -v $1 >/dev/null 2>&1 || { local ret='1'; }

  # fail on non-zero return value
  if [[ "$ret" -ne 0 ]]; then
    return 1
  fi

  return 0
}

program_must_exist() {
  program_exists $1

  # throw error on non-zero return value
  if [[ "$?" -ne 0 ]]; then
    error "You must have '$1' installed to continue."
  else
    success "$1 already installed"
  fi
}

# Setup function
sync_repo() {
  local repo_path="$1"
  local repo_uri="$2"
  local repo_branch="$3"
  local repo_name="$4"

  msg "Trying to update $repo_name"

  if [[ ! -e "$repo_path" ]]; then
    mkdir -p "$repo_path"
    git clone -b "$repo_branch" "$repo_uri" "$repo_path"
    ret="$?"
    success "Successfully cloned $repo_name."
  else
    pushd "$repo_path" && git pull origin "$repo_branch"
    popd
    ret="$?"
    success "Successfully updated $repo_name"
  fi

  debug
}

#
# Main
#
for program in curl git nvim stow tmux; do
  program_must_exist "${program}"
done

# GNU/Linux
if [[ ${OSTYPE} == "linux-gnu" ]]; then
  for repo in st/my-0.8.4 dmenu/my-4.10 slock/my-1.5; do
    sync_repo "${HOME}/work/github.com/manitua/${repo%/*}" \
      "https://github.com/manitua/${repo%/*}" \
      "${repo#*/}" \
      "${repo%/*}"
  done
fi

# Arch Linux
# TODO

# macOS
if [[ ${OSTYPE} == darwin* ]]; then
  program_must_exist "brew"
  brew install $(cat package_list)
fi

curl -fLo ~/.local/share/nvim/site/autoload/plug.vim --create-dirs \
  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

sync_repo "${HOME}/.tmux/plugins/tpm" \
  "https://github.com/tmux-plugins/tpm" \
  "master" \
  "tpm"

for F in $(ls .); do
  if [[ -d ${F} ]]; then
    stow -vv ${F}
  fi
done