build: Update qemu-docker to v6.13 (#1010)

* Support more shared directories

Control the sharing of more directories through environment variables instead of hard-coding more shared directories

Dockerfile

@@ -1,7 +1,7 @@
 ARG VERSION_ARG="latest"
 FROM scratch AS build-amd64
 
-COPY --from=qemux/qemu-docker:6.12 / /
+COPY --from=qemux/qemu-docker:6.13 / /
 
 ARG DEBCONF_NOWARNINGS="yes"
 ARG DEBIAN_FRONTEND="noninteractive"

src/samba.sh

@@ -71,6 +71,9 @@ addShare() {
         echo "    guest account = nobody"
         echo "    map to guest = Bad User"
         echo "    server min protocol = NT1"
+        echo "    follow symlinks = yes"
+        echo "    wide links = yes"
+        echo "    unix extensions = no"
         echo ""
         echo "    # disable printing services"
         echo "    load printers = no"
@@ -89,6 +92,13 @@ addShare "$share" "Data" "Shared" || error "Failed to create shared folder!"
 [ -d "/data2" ] && addShare "/data2" "Data2" "Shared"
 [ -d "/data3" ] && addShare "/data3" "Data3" "Shared"
 
+IFS=',' read -r -a dirs <<< "${SHARES:-}"
+for dir in "${dirs[@]}"; do
+  [ ! -d "$dir" ] && continue
+  dir_name=$(basename "$dir")
+  addShare "$dir" "$dir_name" "Shared $dir_name" || error "Failed to create shared folder for $dir!"
+done
+
 if ! smbd; then
   error "Samba daemon failed to start!"
   smbd -i --debug-stdout || true