add arch setup justfile

.justfile

@@ -0,0 +1,49 @@
+packages_file  := quote(justfile_directory() / "bootstrap/pkgs_arch.txt")
+
+bootstrap: setup_pacman setup_paru install_packages
+
+
+install_packages: update_packages
+  paru -S --needed --noconfirm - < {{ packages_file }}
+
+update_packages:
+  paru -Syu --noconfirm
+
+clean_orphans:
+  -sudo pacman -Qdtq | sudo pacman -Rns -
+  @echo "\n\n{{ BLUE }}The following files are not owned by any package anymore:{{ NORMAL }}"
+
+# setup sudo:
+# sudo loop
+# show asterisk on password
+
+setup_pacman:
+  # add automatic updates
+  sudo sed -i \
+  -e 's/#\?ParallelDownloads = [0-9]\+/ParallelDownloads = {{ num_cpus() }}/' \
+  -e 's/#\?Color\+/Color/' \
+  -e 's/#\?ILoveCandy\+/ILoveCandy/' \
+  -e 's/#\?VerbosePkgLists\+/VerbosePkgLists/' \
+  /etc/pacman.conf
+
+setup_paru:
+  #!/usr/bin/env bash
+  set -euxo pipefail
+
+  if ! command -v paru &> /dev/null ; then
+    tmp=$(mktemp -d)
+    sudo pacman -S --needed base-devel
+    git clone https://aur.archlinux.org/paru.git "$tmp"
+    cd "$tmp"
+    makepkg -si
+    cd -
+    rm -rf "$tmp"
+  fi
+
+  sudo sed -i \
+  -e 's/#\?BottomUp\+/BottomUp/' \
+  -e 's/#\?SudoLoop\+/SudoLoop/' \
+  -e 's/#\?CombinedUpgrade\+/CombinedUpgrade/' \
+  -e 's/#\?CleanAfter\+/CleanAfter/' \
+  -e 's/#\?NewsOnUpgrade\+/NewsOnUpgrade/' \
+  /etc/paru.conf