#!/bin/bash

# Lazy-unmount gvfsd-fuse filesystems before suspend/hibernate to prevent the
# kernel's process freeze from timing out. FUSE daemons (like gvfsd-fuse from
# Nautilus) can block in uninterruptible sleep during freeze, causing suspend
# to silently fail. After wake, restart gvfs so the FUSE mount is restored.

if [[ $1 == "pre" ]]; then
  while IFS=' ' read -r _ mountpoint fstype _; do
    if [[ $fstype == fuse.gvfsd-fuse ]]; then
      mountpoint=$(printf '%b' "$mountpoint")
      fusermount3 -uz "$mountpoint" 2>/dev/null || fusermount -uz "$mountpoint" 2>/dev/null || true
    fi
  done < /proc/mounts
fi

if [[ $1 == "post" ]]; then
  # Run in background — user.slice is still frozen at this point, so a
  # synchronous restart would block the thaw for up to 90 seconds.
  (
    sleep 5
    for uid_dir in /run/user/*; do
      uid=$(basename "$uid_dir")
      if [[ -S $uid_dir/bus ]]; then
        sudo -u "#$uid" env \
          DBUS_SESSION_BUS_ADDRESS="unix:path=$uid_dir/bus" \
          XDG_RUNTIME_DIR="$uid_dir" \
          systemctl --user restart gvfs-daemon.service 2>/dev/null || true
      fi
    done
  ) &
fi
