1 files changed, 22 insertions, 0 deletions
diff --git a/source/a/nvi/doinst.sh b/source/a/nvi/doinst.sh
new file mode 100644
index 000000000..31e62fc43
--- /dev/null
+++ b/source/a/nvi/doinst.sh
@@ -0,0 +1,22 @@
+config() {
+  NEW="$1"
+  OLD="`dirname $NEW`/`basename $NEW .new`"
+  # If there's no config file by that name, mv it over:
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
+    rm $NEW
+  fi
+  # Otherwise, we leave the .new copy for the admin to consider...
+}
+config etc/vi.exrc.new
+
+# If there's no vi link, take over:
+if [ ! -r usr/bin/vi ]; then
+  ( cd usr/bin ; ln -sf nvi vi )
+fi
+
+# If there's no ex link, take over:
+if [ ! -r usr/bin/ex ]; then
+  ( cd usr/bin ; ln -sf nex ex )
+fi