1 files changed, 44 insertions, 0 deletions
diff --git a/patches/source/ksh93/doinst.sh b/patches/source/ksh93/doinst.sh
new file mode 100644
index 000000000..1532a8632
--- /dev/null
+++ b/patches/source/ksh93/doinst.sh
@@ -0,0 +1,44 @@
+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...
+}
+
+preserve_perms() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  if [ -e $OLD ]; then
+    cp -a $OLD ${NEW}.incoming
+    cat $NEW > ${NEW}.incoming
+    mv ${NEW}.incoming $NEW
+  fi
+  config $NEW
+}
+
+preserve_perms etc/profile.d/ksh93-functions.sh.new
+
+# Backup the old copy if we find one, move the new one in place
+if [ -f bin/ksh ]; then
+   mv bin/ksh bin/ksh.old
+fi
+mv bin/ksh.new bin/ksh
+if [ -f bin/ksh.old ]; then
+  rm -f bin/ksh.old
+fi
+
+# Add entries to /etc/shells if we need them
+if [ ! -r etc/shells ] ; then
+   touch etc/shells
+   chmod 644 etc/shells
+fi
+
+if ! grep -q "/bin/ksh" etc/shells ; then
+   echo "/bin/ksh" >> etc/shells
+fi