From e3242f50ab72441d10d6601441185ff759feaa06 Mon Sep 17 00:00:00 2001
From: Alberto De Bortoli <albertodebortoli@gmail.com>
Date: Sun, 26 Jul 2026 12:25:08 +0100
Subject: [PATCH] Fix sudo check for non-existent install directories

When the install directory doesn't exist yet, walk up to the first
existing ancestor to check writability, rather than checking the
non-existent directory itself (which always returns false and
incorrectly triggers sudo).
---
 install.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/install.sh b/install.sh
index 1e1d0c3..1a5b7ef 100755
--- a/install.sh
+++ b/install.sh
@@ -211,8 +211,13 @@ echo "✅ Extraction completed"
 sudo_if_install_dir_not_writeable() {
     local command="$1"
     local exit_code
-    if [ -w "$INSTALL_DIR" ]; then
-        # Directory is writable, run without sudo
+    local check_dir="$INSTALL_DIR"
+    # Walk up to find the first existing ancestor to check writability
+    while [ -n "$check_dir" ] && [ "$check_dir" != "/" ] && [ ! -e "$check_dir" ]; do
+        check_dir="$(dirname "$check_dir")"
+    done
+    if [ -w "$check_dir" ]; then
+        # Directory (or its ancestor) is writable, run without sudo
         sh -c "$command"
     else
         # Directory requires elevated privileges