dotfiles/install.bash at master · yohannd1/dotfiles · GitHub

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#!/usr/bin/env bash

set -e
progname=$(basename "$0")

exists() { command -v "$1" >/dev/null 2>/dev/null; }

showHelp() {
cat >&2 <<EOF
$progname: a script for bootstrapping my settings/dotfiles.
Usage: $progname <ACTION> <DEST>
ACTION := { https | https-shallow | ssh | https-to-ssh }
  https: clone to DEST via HTTPS\n"
  https-shallow: clone to DEST via HTTPS with --depth 1\n"
  ssh: clone to DEST via SSH\n"
  https-to-ssh: clone to (already existing, but https-based) DEST via SSH (thus converting it to SSH)\n"
DEST: the path where the dotfiles will be installed to.
EOF
  exit 2
}

[ $# != 2 ] && showHelp

case "$1" in
  https|https-shallow) DOTFILES_URL="https://github.com/yohannd1/dotfiles" ;;
  ssh|https-to-ssh) DOTFILES_URL="[email protected]:yohannd1/dotfiles" ;;
  *)
    printf >&2 "Invalid ACTION: %s\n" "$1"
    printf >&2 "\n"
    showHelp
    ;;
esac

if [ "$1" != https-to-ssh ] && [ -e "$2" ]; then
  printf >&2 "DEST %s already exists. Please delete it or choose another path.\n" "$2"
  exit 1
fi

# TODO: get the similar thing from LARBS or something and put it here instead
for dependency in git python3; do
  if ! exists "$dependency"; then
    printf >&2 "Could not find %s in PATH - attempting to install it...\n" "$dependency"
    if exists pacman; then
      sudo pacman -Syy "$dependency"
    elif exists apt; then
      sudo apt install "$dependency"
    elif exists apt-get; then
      sudo apt-get install "$dependency"
    else
      printf >&2 "Could not find your package manager. Please install said dependency manually.\n"
      exit 1
    fi
  fi
done

case "$1" in
  https-to-ssh)
    if [ ! -d "$2" ]; then
      printf >&2 "%s is not a directory.\n" "$2"
      exit 1
    fi
    temp=$(mktemp)
    mv "$2" "$temp"
    if git clone "$DOTFILES_URL" "$2"; then
      rm -rf "$temp"
    else
      mv "$temp" "$2"
    fi
    ;;
  *)
    [ "$1" = 'https-shallow' ] && shallow=(--depth 1) || shallow=()
    git clone "${shallow[@]}" "$DOTFILES_URL" "$2"
    mkdir -p ~/.local/share/dots
    realpath -m "$2" > ~/.local/share/dots/dotpath
    echo "gruvbox-dark-medium" > ~/.local/share/dots/theme
    export DOTFILES="$2"
    . "$DOTFILES/config/dots/env.sh"
    . "$DOTFILES/config/dots/path.sh"
    sysm
    ;;
esac