Use VBoxManage if installed in the default location

README.md

@@ -4,7 +4,7 @@ The "one key" is enter, which has to be pressed whenever the virtual machine is
 
 The goal of the script is to allow for a very easy installation without any closed-source additions or extra bootloaders.
 
-Tested on Cygwin, should work on Linux distros.
+Tested on Cygwin, should work on Linux distros (including WSL).
 
 ## iCloud and iMessage connectivity
 
@@ -24,3 +24,5 @@ Developing and maintaining VirtualBox features is beyond the scope of this scrip
 * `Bash`≥4 (run on Windows through [Cygwin](https://cygwin.com/install.html))
 * `unzip`, `wget` (install through package manager)
 * `dmg2img` (install through package manager on Linux; let the script download it automatically on Windows)
+
+For Debian and Ubuntu: `sudo apt install d2img unzip wget`

macos-guest-virtualbox.sh

@@ -90,13 +90,20 @@ fi
 # VirtualBox in ${PATH}
 
 if [ -z "$(VBoxManage -v 2>/dev/null)" ]; then
-    echo "Please make sure VirtualBox is installed, and that the path to"
-    echo "the VBoxManage executable is in the PATH variable."
-    if [ -n "${windows}" ]; then echo -n "VBoxManage is usually installed in"
-        echo "/cygdrive/c/Program Files/Oracle/VirtualBox"
-        echo "and can be added with PATH=\"\${PATH}:/cygdrive/c/<...>\""
+    if [ -x '/mnt/c/Program Files/Oracle/VirtualBox/VBoxManage.exe' ]; then
+        # If VBoxManage.exe is in the standard install location, use it.
+        VBoxManage () {
+            '/mnt/c/Program Files/Oracle/VirtualBox/VBoxManage.exe' "$@"
+        }
+    else
+        echo "Please make sure VirtualBox is installed, and that the path to"
+        echo "the VBoxManage executable is in the PATH variable."
+        if [ -n "${windows}" ]; then echo -n "VBoxManage is usually installed in"
+            echo "/cygdrive/c/Program Files/Oracle/VirtualBox"
+            echo "and can be added with PATH=\"\${PATH}:/cygdrive/c/<...>\""
+        fi
+        exit
     fi
-    exit
 fi
 
 # dmg2img