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dotfiles/basic/setup.sh
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2026-09-20 10:35:29 +02:00

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#!/bin/bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PACKAGES_FILE="$SCRIPT_DIR/packages.txt"
# ---------------------------------------------------------------------------
# Enable multilib in /etc/pacman.conf (with a safety backup)
# ---------------------------------------------------------------------------
enable_multilib() {
sudo sed -i.bak '/^#\[multilib\]/,+1 s/^#//' /etc/pacman.conf
}
# ---------------------------------------------------------------------------
# Ensure yay (AUR helper) is installed.
# ---------------------------------------------------------------------------
install_yay() {
if pacman -Q yay &>/dev/null; then
echo "yay bereits installiert; fahre fort."
return
fi
if pacman -Si yay &>/dev/null; then
echo "Installiere yay mit pacman ..."
sudo pacman -S --needed yay
return
fi
echo "installiere yay via git ..."
sudo pacman -S --needed base-devel git
local tmp
tmp="$(mktemp -d)"
git clone https://aur.archlinux.org/yay.git "$tmp/yay"
(
cd "$tmp/yay"
makepkg -si
)
rm -rf "$tmp"
}
# ---------------------------------------------------------------------------
# Read packages.txt, split into pacman / aur / npm sections.
# ---------------------------------------------------------------------------
read_packages() {
local section="pacman"
local current
current=""
while IFS= read -r line || [[ -n "$line" ]]; do
current="${line%%#*}"
current="${current##*( )}"
current="${current%%*( )}"
[[ -z "$current" ]] && continue
case "$current" in
@pacman) section="pacman" ;;
@aur) section="aur" ;;
@npm) section="npm" ;;
*)
case "$section" in
pacman) pacman_pkgs+=("$current") ;;
aur) aur_pkgs+=("$current") ;;
npm) npm_pkgs+=("$current") ;;
esac
;;
esac
done < "$PACKAGES_FILE"
}
declare -a pacman_pkgs=() aur_pkgs=() npm_pkgs=()
# ---------------------------------------------------------------------------
# Install sections.
# ---------------------------------------------------------------------------
install_pacman() {
if ((${#pacman_pkgs[@]})); then
echo "==> Installiere Pacman-Pakete: ${pacman_pkgs[*]}"
yay -S --needed "${pacman_pkgs[@]}"
fi
}
install_aur() {
if ((${#aur_pkgs[@]})); then
echo "==> Installiere AUR-Pakete: ${aur_pkgs[*]}"
yay -S --needed "${aur_pkgs[@]}"
fi
}
install_npm() {
if ((${#npm_pkgs[@]})); then
echo "==> Installiere globale npm-Pakete: ${npm_pkgs[*]}"
npm install -g "${npm_pkgs[@]}"
fi
}
# ---------------------------------------------------------------------------
# Docker: Dienst aktivieren/starten, Benutzer in die docker-Gruppe aufnehmen
# und den Dienst verifizieren. (docker selbst wird ueber basic/packages.txt
# als Pacman-Paket installiert.)
# ---------------------------------------------------------------------------
setup_docker() {
if ! command -v docker >/dev/null 2>&1; then
echo "Warnung: docker nicht installiert; ueberspringe Docker-Setup."
return
fi
echo "==> Aktiviere und starte Docker-Dienst ..."
sudo systemctl enable --now docker
# Bei Aufruf via `sudo <script>` ist SUDO_USER der eigentliche Benutzer.
local target_user="${SUDO_USER:-$USER}"
echo "==> Stelle sicher, dass $target_user in der docker-Gruppe ist ..."
if [[ "$target_user" == "root" ]] || id -nG "$target_user" 2>/dev/null | grep -qw docker; then
echo "Benutzer $target_user ist bereits in der docker-Gruppe."
else
sudo usermod -aG docker "$target_user"
echo "Benutzer $target_user zur docker-Gruppe hinzugefuegt; wirksam nach dem naechsten Login."
fi
echo "==> Pruefe Docker-Dienst ..."
if systemctl is-active --quiet docker; then
echo "Docker-Dienst laeuft (Socket: /var/run/docker.sock)."
else
echo "Warnung: Docker-Dienst laeuft nicht; pruefe mit: systemctl status docker"
fi
}
# ---------------------------------------------------------------------------
# Main
# ---------------------------------------------------------------------------
main() {
echo "==> Aktiviere multilib ..."
enable_multilib
echo "==> System aktualisieren ..."
sudo pacman -Syu
echo "==> Sicherstelle yay ..."
install_yay
echo "==> Lese Paketliste: $PACKAGES_FILE"
read_packages
install_pacman
install_aur
install_npm
echo "==> Richte Docker ein ..."
setup_docker
echo "Fertig. Die Basis-Systemumgebung ist eingerichtet."
}
main