From 1a0dd2075bd2a6115c7aa31181968b31419661b2 Mon Sep 17 00:00:00 2001
From: Alexander Gudulin <alexandr.gudulin@gmail.com>
Date: Mon, 18 Feb 2019 23:25:10 +0100
Subject: [PATCH] install.sh: print out tar version when the flag is supported
 (#154)

not all the tar implementations support --version flag
e.g. the one used in openbsd doesn't, so the installation process fails

PR-URL: https://github.com/npm/cli/pull/154
Credit: @agudulin
Reviewed-By: @zkat
---
 scripts/install.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/install.sh b/scripts/install.sh
index e352e55caf042..4ed1062aa1308 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -98,8 +98,10 @@ fi
 
 if [ $ret -eq 0 ] && [ -x "$tar" ]; then
   echo "tar=$tar"
-  echo "version:"
-  $tar --version
+  if [ $tar --version > /dev/null 2>&1 ]; then
+    echo "version:"
+    $tar --version
+  fi
   ret=$?
 fi