Initial commit

windows-mount

@@ -0,0 +1,7 @@
+#!/bin/bash
+# returns if windows is mounted
+MOUNTED="$(mount | egrep -w '^C:\\')"
+if [ -z "$MOUNTED" ]; then
+	exit 1
+fi
+echo "$MOUNTED" | sed -n 's/^.* on \(.*\) type [a-zA-Z0-9_.]\+ (.*)$/\1/p'

wsl-interop-ready

@@ -0,0 +1,8 @@
+#!/bin/bash
+# returns succesful when wsl interop is ready
+shopt -s nullglob
+if [ -f /proc/sys/fs/binfmt_misc/WSLInterop ] && \
+  sockets=(/run/WSL/*_interop) && [ -S "${sockets[0]:-}" ]; then
+	  exit 0
+fi
+exit 1

wsl-interop-wait

@@ -0,0 +1,17 @@
+#!/bin/bash
+# wait until wsl environment is ready
+APP_DIR="$(dirname "$0")"
+WSL_INTEROP_READY="$APP_DIR/wsl-interop-ready"
+INTERVAL=0.5
+
+TIMEOUT=$1
+SECONDS=0
+
+until $WSL_INTEROP_READY; do
+	if [ "$TIMEOUT" ] && (( SECONDS >= "$TIMEOUT" )); then
+		echo "Timeout waiting for WSL socket dir" >&2
+		exit 1
+	fi
+	
+	sleep $INTERVAL
+done

wsl-mount

@@ -0,0 +1,33 @@
+#!/bin/bash
+# mounts a windows VHD in wsl
+APP_DIR="$(dirname "$0")"
+WINDOWS_MOUNT="$APP_DIR/windows-mount"
+WSL_PATH="$APP_DIR/wsl-path"
+WSL_INTEROP_READY="$APP_DIR/wsl-interop-ready"
+SLEEP_INTERVAL=0.5
+
+DRIVE="$1"
+DISK_LABEL="$2"
+DISK_PATH="/dev/disk/by-label/$DISK_LABEL"
+
+if ! $WINDOWS_MOUNT >/dev/null; then
+	echo "Error: Windows not mounted" >&2
+	exit 1
+fi
+
+if ! $WSL_INTEROP_READY; then
+	echo "Error: WSL Interop not ready" >&2
+	exit 1
+fi
+
+WSL="$($WSL_PATH)"
+if ! [ -e "$DISK_PATH" ]; then
+	$WSL --mount --bare --vhd "$DRIVE"
+
+	# poll until the block device node appears or task times out
+	until [ -L "$DISK_PATH" ] && [ -b "$DISK_PATH" ]; do
+		sleep "$SLEEP_INTERVAL"
+	done
+fi
+
+exit 0

wsl-path

@@ -0,0 +1,6 @@
+#!/bin/bash
+# outputs the wsl.exe path by constructing the C:\Windows\System32 mountpoint
+APP_DIR="$(dirname "$0")"
+WINDOWS_MOUNT="$APP_DIR/windows-mount"
+WINDOWS="$($WINDOWS_MOUNT)" || { echo Windows not mounted; exit 1; }
+echo "$WINDOWS/Windows/System32/wsl.exe"

wsl-unmount

@@ -0,0 +1,20 @@
+#!/bin/bash
+APP_DIR="$(dirname "$0")"
+WINDOWS_MOUNT="$APP_DIR/windows-mount"
+WSL_INTEROP_READY="$APP_DIR/wsl-interop-ready"
+WSL_PATH="$APP_DIR/wsl-path"
+
+DRIVE="$1"
+
+if ! $WINDOWS_MOUNT >/dev/null; then
+	echo "Error: Windows not mounted" >&2
+	exit 1
+fi
+
+if ! $WSL_INTEROP_READY; then
+	echo "Error: WSL Interop not found in /run/WSL" >&2
+	exit 1
+fi
+
+WSL="$($WSL_PATH)"
+$WSL --unmount "$DRIVE"