From 8486d07a5e087053d540bb2833dd59368882031c Mon Sep 17 00:00:00 2001
From: Mola-maker <229602071+Mola-maker@users.noreply.github.com>
Date: Wed, 14 Oct 2026 23:00:32 +0800
Subject: [PATCH] [Fix] `nvm_strip_path`: preserve literal backslashes in
 `NVM_DIR`

---
 nvm.sh                              | 3 ++-
 test/fast/Unit tests/nvm_strip_path | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index 81cf4d1b..69da5a8f 100755
--- a/nvm.sh
+++ b/nvm.sh
@@ -1527,7 +1527,8 @@ nvm_strip_path() {
     return 1
   fi
   local RESULT
-  RESULT="$(command printf %s "${1-}" | command awk -v NVM_DIR="${NVM_DIR}" -v RS=: '
+  RESULT="$(command printf %s "${1-}" | NVM_DIR="${NVM_DIR}" command awk -v RS=: '
+  BEGIN { NVM_DIR = ENVIRON["NVM_DIR"] }
   index($0, NVM_DIR) == 1 {
     path = substr($0, length(NVM_DIR) + 1)
     if (path ~ "^(/versions/[^/]*)?/[^/]*'"${2-}"'.*$") { next }
diff --git a/test/fast/Unit tests/nvm_strip_path b/test/fast/Unit tests/nvm_strip_path
index a900cab4..76ffdd29 100755
--- a/test/fast/Unit tests/nvm_strip_path	
+++ b/test/fast/Unit tests/nvm_strip_path	
@@ -23,3 +23,9 @@ TEST_PATH=":/a/b/bin::/c/d/bin:"
 STRIPPED_PATH=`nvm_strip_path "$TEST_PATH" "/bin"`
 
 [ "$STRIPPED_PATH" = "$TEST_PATH" ] || die "Stripping does not preserve colons: $STRIPPED_PATH "
+
+for NVM_DIR in '/tmp/nvm\test' '/tmp/nvm\new' '/tmp/nvm\\dir'; do
+  TEST_PATH="$NVM_DIR/v0.10.5/bin:/usr/bin:$NVM_DIR/versions/node/v22.0.0/bin:$NVM_DIR/versions/io.js/v1.0.0/bin:$NVM_DIR-other/v22.0.0/bin:/usr/local/bin"
+  STRIPPED_PATH=$(nvm_strip_path "$TEST_PATH" '/bin')
+  [ "$STRIPPED_PATH" = "/usr/bin:$NVM_DIR-other/v22.0.0/bin:/usr/local/bin" ] || die "Not correctly stripped with literal backslashes: $STRIPPED_PATH"
+done