scripts: initial implementation of elevate.sh

scripts/elevate.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/bash
+
+#	error if 'pwsh' not in path
+if [ ! which pwsh > /dev/null 2>&1 ]; then
+	echo "no 'pwsh' in \$PATH"
+	exit 1
+fi
+
+#	set mode (linux/dos)
+if [[ "$1" == "-l" ]]; then
+	mode='linux'
+	shift
+elif [[ "$1" == "-w" ]]; then
+	mode='dos'
+	shift
+fi
+
+#	error if no target
+if [ "$#" -eq 0 ]; then
+	echo "elevate: no target"
+	exit 3
+fi
+
+#	consume target based on mode
+if [[ "$mode" == "linux" ]]; then
+	target='wsl.exe'
+elif [[ "$mode" == "dos" ]]; then
+	target="$1"
+	shift
+else
+	echo "elevate: no mode set; use '-l' or '-w'"
+	exit 2
+fi
+
+arglist=''
+if [ "$#" -ne 0 ]; then
+	arglist="-ArgumentList '$@'"
+fi
+
+pwsh -C "Start-Process -Verb runas $target $arglist"
+