rvi: try to restore group ownership even as non-root

1 files changed, 4 insertions, 1 deletions

diff --git a/rvi b/rvi
index 53ab1da..4b4e72d 100755
--- a/rvi
+++ b/rvi
@@ -56,6 +56,7 @@ if ! [ -e "$1,v" ] && ! [ -e "$DN/RCS/$BN,v" ] ; then
 fi
 
 owner="`stat -c "%u:%g" "$1"`"
+group=$(stat -c '%g' "$1")
 rcsdiff -u "$1"
 if [ $? -ne 0 ] ; then
 	echo
@@ -74,7 +75,9 @@ if [ $? -ne 0 ] ; then
 	exit 1
 fi
 if [ "$(id -u)" = "0" ]; then
-    chown "$owner" "$1"
+	chown "$owner" "$1"
+elif ! chgrp "$group" "$1"; then
+	echo >&2 "Warning: group ownership was $group, but this could not be restored."
 fi
 $editor "$1"
 ci -u "$1"