[nvim] Switch from Mason to Chezmoi

.chezmoiscripts/run_onchange_10_install-packages.sh.tmpl

@@ -0,0 +1,39 @@
+#!/bin/bash
+{{ if eq .chezmoi.osRelease.id "nixos" }}
+exit 0
+{{ end }}
+
+set -euo pipefail
+
+echo "Installing and updating packages..."
+
+{{ if eq .chezmoi.osRelease.idLike "arch" }}
+sudo pacman -Sy --noconfirm
+
+pkgs=()
+{{ range .packages.arch }}
+if ! pacman -Q "{{ . }}" &>/dev/null; then
+  pkgs+=("{{ . }}")
+fi
+{{ end }}
+
+if [[ ${#pkgs[@]} -gt 0 ]]; then
+  echo "Installing pacman packages"
+  sudo pacman -S --noconfirm --needed "${pkgs[@]}"
+fi
+
+aur_pkgs=()
+{{ range .packages.aur }}
+if ! pacman -Q "{{ . }}" &>/dev/null; then
+  aur_pkgs+=("{{ . }}")
+fi
+{{ end }}
+
+if [[ ${#aur_pkgs[@]} -gt 0 ]]; then
+  echo "Installing AUR packages"
+  paru -S --noconfirm --needed "${aur_pkgs[@]}" 
+fi
+
+{{ end }}
+
+echo "Done"