From 30e5461b8d8e6a3c44d50fe1d04aa125870f1401 Mon Sep 17 00:00:00 2001
From: databreach <30411237+databreach@users.noreply.github.com>
Date: Fri, 17 Nov 2023 14:39:53 +0100
Subject: [PATCH] Control device nodes

Add control over whether device nodes are created.
---
 src/install.sh | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/install.sh b/src/install.sh
index 27f822b8..581a5a24 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+: ${DEV:='Y'}      # Controls whether device nodes are created.
+
 if [ -f "$STORAGE"/dsm.ver ]; then
   BASE=$(cat "${STORAGE}/dsm.ver")
 else
@@ -107,8 +109,14 @@ if [ -f "${RDC}" ]; then
   { xz -dc <"$RDC" >"$TMP/rd" 2>/dev/null; rc=$?; } || :
   (( rc != 1 )) && error "Failed to unxz $RDC, reason $rc" && exit 91
 
-  { (cd "$TMP" && cpio -idm <"$TMP/rd" 2>/dev/null); rc=$?; } || :
-  (( rc != 0 )) && error "Failed to cpio $RDC, reason $rc" && exit 92
+  if [[ "${DEV}" == [Nn]* ]]; then
+    # Exclude dev/ from cpio extract
+    { (cd "$TMP" && cpio -it < "$TMP/rd" | grep -Ev 'dev/' | while read -r entry; do cpio -idm "$entry" < "$TMP/rd" 2>/dev/null; done); rc=$?; } || :
+    (( rc != 0 )) && error "Failed to extract $RDC, reason $rc" && exit 92
+  else
+    { (cd "$TMP" && cpio -idm <"$TMP/rd" 2>/dev/null); rc=$?; } || :
+    (( rc != 0 )) && error "Failed to cpio $RDC, reason $rc" && exit 92
+  fi
 
   mkdir -p /run/extract
   for file in $TMP/usr/lib/libcurl.so.4 \
@@ -240,7 +248,13 @@ MOUNT="$TMP/system"
 rm -rf "$MOUNT" && mkdir -p "$MOUNT"
 
 mv "$HDA.tgz" "$HDA.txz"
-tar xpfJ "$HDA.txz" --absolute-names -C "$MOUNT/"
+
+if [[ "${DEV}" == [Nn]* ]]; then
+  # Exclude dev/ from tar extract
+  tar xpfJ "$HDA.txz" --absolute-names --exclude="dev" -C "$MOUNT/"
+else
+  tar xpfJ "$HDA.txz" --absolute-names -C "$MOUNT/"
+fi
 
 [ -d "$PKG" ] && mv "$PKG/" "$MOUNT/.SynoUpgradePackages/"
 rm -f "$MOUNT/.SynoUpgradePackages/ActiveInsight-"*