Make make-port-diff.sh work correctly on MacOs and Linuces

1 files changed, 4 insertions, 2 deletions

diff --git a/packaging/macports/make-port-diff.sh b/packaging/macports/make-port-diff.sh
index 3eb1b9f5..ac3afa4e 100755
--- a/packaging/macports/make-port-diff.sh
+++ b/packaging/macports/make-port-diff.sh
@@ -14,8 +14,10 @@ mkdir -p $dir/macports $dir/rabbitmq
 cd $dir/macports
 svn checkout http://svn.macports.org/repository/macports/trunk/dports/net/rabbitmq-server/ 2>&1 >/dev/null
 
-# Clear out the svn $id tag
-sed -i -e 's|^# \$.*$|# $Id$|' rabbitmq-server/Portfile
+# Clear out the svn $id tag from the Portfile (and avoid using -i)
+portfile=rabbitmq-server/Portfile
+sed -e 's|^# \$.*$|# $Id$|' ${portfile} > ${portfile}.new
+mv ${portfile}.new ${portfile}
 
 # Get the files from the rabbitmq.com macports repo
 cd ../rabbitmq