From 79169a834f9860284af203bf2c40e5143c119ef7 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Mon, 23 Oct 2023 14:06:19 -0700
Subject: [PATCH] [New] aliases: skip leading blank lines in alias file

---
 nvm.sh                                        |  2 +-
 ...uld ignore leading blank lines in the file | 20 +++++++++++++++++++
 test/fast/Aliases/teardown                    |  1 +
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100755 test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file

diff --git a/nvm.sh b/nvm.sh
index 0b57f05714..bee8456f81 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -1141,7 +1141,7 @@ nvm_alias() {
     return 2
   fi
 
-  command cat "${NVM_ALIAS_PATH}"
+  command awk 'NF' "${NVM_ALIAS_PATH}"
 }
 
 nvm_ls_current() {
diff --git a/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file b/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file
new file mode 100755
index 0000000000..3fe5784ba3
--- /dev/null
+++ b/test/fast/Aliases/'nvm alias' should ignore leading blank lines in the file	
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+die() { echo "$@" ; exit 1; }
+
+export NVM_DIR="$(cd ../../.. && pwd)"
+
+\. "${NVM_DIR}/nvm.sh"
+\. ../../common.sh
+
+echo "
+
+v0.0.1
+" > ../../../alias/test-blank-lines
+
+EXPECTED='v0.0.1'
+ACTUAL="$(nvm_alias test-blank-lines)"
+EXIT_CODE="$(nvm_alias test-blank-lines 2>&1 >/dev/null; echo $?)"
+
+[ "${ACTUAL}" = "${EXPECTED}" ] || die "expected >${EXPECTED}<, got >${ACTUAL}<"
+[ "${EXIT_CODE}" = '0' ] || die "expected exit code 0, got ${EXIT_CODE}"
diff --git a/test/fast/Aliases/teardown b/test/fast/Aliases/teardown
index 005c7296d8..33e1b02470 100755
--- a/test/fast/Aliases/teardown
+++ b/test/fast/Aliases/teardown
@@ -15,3 +15,4 @@ rm -f "../../../alias/unstable"
 rm -f "../../../alias/node"
 rm -f "../../../alias/iojs"
 rm -f "../../../alias/default"
+rm -f "../../../alias/test-blank-lines"