Start the desktop after install by enabling the login screen and services

2026-09-20 06:40:41 -04:00
parent f4dd3b7532
commit 8f124f47c2
17 changed files with 784 additions and 279 deletions
@@ -0,0 +1,86 @@
+read_package_list() {
+  [[ -f $1 ]] || return 0
+  grep -vE '^[[:space:]]*#|^[[:space:]]*$' "$1"
+}
+
+# A list entry may be "wanted|already-fine", which asks for the first name but
+# treats either as satisfying the requirement. That is how the AUR replacement
+# for a package still shipped by another repository avoids a file conflict.
+missing_packages() {
+  local entry wanted alternative
+  for entry in $(read_package_list "$1"); do
+    wanted=${entry%%|*}
+    alternative=${entry#*|}
+    pacman -Q "$wanted" &>/dev/null && continue
+    [[ $alternative != "$entry" ]] && pacman -Q "$alternative" &>/dev/null && continue
+    printf '%s\n' "$wanted"
+  done
+}
+
+install_packages() {
+  if [[ $skip_packages == true ]]; then
+    say "skip  packages (--skip-packages)"
+    return 0
+  fi
+
+  local -a repo_missing aur_missing
+  mapfile -t repo_missing < <(missing_packages "$repo_dir/packages/blob.packages")
+  mapfile -t aur_missing < <(missing_packages "$repo_dir/packages/blob-aur.packages")
+
+  if (( ${#repo_missing[@]} == 0 && ${#aur_missing[@]} == 0 )); then
+    say "ok    packages"
+    return 0
+  fi
+
+  note_change
+  if [[ $check == true ]]; then
+    (( ${#repo_missing[@]} )) && say "would install ${#repo_missing[@]} repo package(s): ${repo_missing[*]}"
+    (( ${#aur_missing[@]} )) && say "would install ${#aur_missing[@]} AUR package(s): ${aur_missing[*]}"
+    return 0
+  fi
+
+  blob_sudo_keepalive
+
+  if (( ${#repo_missing[@]} )); then
+    say "install ${#repo_missing[@]} repo package(s)"
+    as_root pacman -S --needed --noconfirm "${repo_missing[@]}"
+  fi
+
+  if (( ${#aur_missing[@]} )); then
+    ensure_aur_helper || {
+      say "WARN  no AUR helper; skipping ${#aur_missing[@]} AUR package(s): ${aur_missing[*]}"
+      return 0
+    }
+    say "install ${#aur_missing[@]} AUR package(s)"
+    yay -S --needed --noconfirm "${aur_missing[@]}"
+  fi
+}
+
+# A fresh Arch install has no AUR helper, and yay is not in the official
+# repositories, so it is built from the AUR once with makepkg. Everything after
+# this point can then use yay normally.
+ensure_aur_helper() {
+  command -v yay &>/dev/null && return 0
+
+  say "bootstrap yay from the AUR"
+  as_root pacman -S --needed --noconfirm base-devel git
+
+  local build_dir
+  build_dir="$(mktemp -d)"
+  if ! git clone --depth 1 https://aur.archlinux.org/yay-bin.git "$build_dir/yay-bin"; then
+    rm -rf "$build_dir"
+    return 1
+  fi
+
+  ( cd "$build_dir/yay-bin" && makepkg -si --noconfirm ) || {
+    rm -rf "$build_dir"
+    return 1
+  }
+
+  rm -rf "$build_dir"
+  command -v yay &>/dev/null
+}
+
+blob_sudo_keepalive() {
+  sudo -v 2>/dev/null || true
+}