add helper script to download ROMS to user's home directory

scripts/86Box-install-roms.sh

@@ -0,0 +1,73 @@
+#!/bin/sh
+
+URL="https://github.com/86Box/roms/archive/refs/tags/v4.2.zip"
+TMP_FILE="/tmp/86Box-ROMS.zip"
+EXTRACT_DIR="/tmp/86Box-ROMS-extracted"
+DEFAULT_TARGET_DIR="$HOME/.local/share/86Box/roms/"
+TARGET_DIR=${TARGET_DIR:-$DEFAULT_TARGET_DIR}
+
+install_roms() {
+  if [ -d "$TARGET_DIR" ] && [ "$(ls -A $TARGET_DIR)" ]; then
+    echo "ROMS already installed in $TARGET_DIR"
+    echo "To (re)install, please first remove ROMS with -r parameter"
+    exit 1
+  fi
+  fetch -o "$TMP_FILE" "$URL"
+
+  if [ $? -ne 0 ]; then
+    echo "Failed to download the file from $URL"
+    exit 1
+  fi
+
+  mkdir -p "$EXTRACT_DIR"
+  unzip "$TMP_FILE" -d "$EXTRACT_DIR"
+
+  if [ $? -ne 0 ]; then
+    echo "Failed to decompress the file"
+    rm "$TMP_FILE"
+    exit 1
+  fi
+
+  mkdir -p "$TARGET_DIR"
+  cd "$EXTRACT_DIR"
+  TOP_LEVEL_DIR=$(find . -mindepth 1 -maxdepth 1 -type d)
+
+  if [ -d "$TOP_LEVEL_DIR" ]; then
+    mv "$TOP_LEVEL_DIR"/* "$TARGET_DIR"
+  fi
+
+  rm -rf "$TMP_FILE" "$EXTRACT_DIR"
+  echo "ROMS installed successfully in $TARGET_DIR"
+}
+
+remove_roms() {
+  if [ -d "$TARGET_DIR" ]; then
+    rm -rf "$TARGET_DIR"
+    echo "ROMS removed successfully from $TARGET_DIR"
+  else
+    echo "No ROMS directory found in $TARGET_DIR"
+  fi
+}
+
+help() {
+  echo ""
+  echo "$0 [-h|-i|-r]"
+  echo "  -h : this help"
+  echo "  -i : install (this parameter can be omitted)"
+  echo "  -r : remove the ROMS"
+  echo ""
+}
+
+case "$1" in
+  -h)
+   help
+   ;;
+  -r)
+    remove_roms
+    ;;
+  -i|*)
+    install_roms
+    ;;
+esac
+
+exit 0