updated dotfiles, fixed install scripts, added missing packages

run_once_05-system-setup.sh.tmpl

@@ -0,0 +1,31 @@
+#!/bin/bash
+# run_once_05-system-setup.sh
+# Early system-level configuration that must run before package installs.
+
+set -euo pipefail
+
+SYS="{{ .system | default "desktop" }}"
+DISTRO_ID="{{ .chezmoi.osRelease.id | default "" }}"
+SRC="{{ .chezmoi.sourceDir }}"
+echo ">>> [system-setup] distro=$DISTRO_ID, system=$SYS, source=$SRC"
+
+case "$DISTRO_ID" in
+    arch)
+        echo ">>> [system-setup] applying pacman.conf"
+        sudo install -m644 "$SRC/assets/pacman.conf" /etc/pacman.conf
+
+        echo ">>> [system-setup] tuning makepkg.conf"
+        sudo sed -i 's/^#MAKEFLAGS=/MAKEFLAGS="-j'"$(nproc)"'"/' /etc/makepkg.conf
+        ;;
+
+    ubuntu)
+        echo ">>> [system-setup] ubuntu: no early system setup required"
+        ;;
+
+    *)
+        echo ">>> [system-setup] unsupported distro: ${DISTRO_ID:-unknown}, skipping"
+        exit 0
+        ;;
+esac
+
+echo ">>> [system-setup] done"