From 2f7968e860a9c959a03a0d49728f8635309246f3 Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@zulipchat.com>
Date: Thu, 17 Aug 2017 10:46:58 -0700
Subject: [PATCH] provision: Use 'cp -a' for copying requirements.txt.

It's generally best to preserve the metadata when copying files.
---
 tools/provision | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/provision b/tools/provision
index 7d13eac..15871c0 100755
--- a/tools/provision
+++ b/tools/provision
@@ -27,7 +27,7 @@ cmp "$BASEDIR/zulip-api-py2-venv/installed-requirements.txt" requirements.txt 2>
 RVAL=$? # Return value of the comparision. 0 means files are same.
 if [ "$RVAL" -ne 0 ]; then
     pip install -r "$BASEDIR/requirements.txt"
-    cp requirements.txt "$BASEDIR/zulip-api-py2-venv/installed-requirements.txt"
+    cp -a requirements.txt "$BASEDIR/zulip-api-py2-venv/installed-requirements.txt"
     echo "Requirements installed."
 fi
 echo 'Success!  Run `source' "$BASEDIR/zulip-api-py2-venv/bin/activate"'`' "to activate virtualenv."