Update install.sh

install.sh

@@ -116,7 +116,7 @@ generate() {
 
   # Determine which configuration file and assets to use
   if [[ -n "$custom_resolution" ]]; then
-    if has_command pacman; then
+    if has_command apt || has_command pacman || has_command eopkg; then
       install_depends imagemagick
     else
       install_depends ImageMagick
@@ -135,7 +135,7 @@ generate() {
 
   # Use custom background.jpg as grub background image
   if [[ -f "${REO_DIR}/background.jpg" ]]; then
-    if has_command pacman; then
+    if has_command apt || has_command pacman || has_command eopkg; then
       install_depends imagemagick
     else
       install_depends ImageMagick
@@ -444,15 +444,21 @@ updating_grub() {
 
 function install_program () {
   if has_command zypper; then
-    zypper in "$@"
+    zypper in -y "$@"
+  elif has_command swupd; then
+    swupd bundle-add "$@"
   elif has_command apt-get; then
     apt-get install "$@"
   elif has_command dnf; then
     dnf install -y "$@"
   elif has_command yum; then
-    yum install "$@"
+    yum install -y "$@"
   elif has_command pacman; then
-    pacman -S --noconfirm "$@"
+    pacman -Syyu --noconfirm --needed "$@"
+  elif has_command xbps-install; then
+    xbps-install -Sy "$@"
+  elif has_command eopkg; then
+    eopkg -y install "$@"
   fi
 }