WIP updating loadups scripts

scripts/cpv

@@ -4,6 +4,13 @@
 # could extend with -r or copying multiple files
 # could change from cp to ln
 
+ln_or_cp () {
+    f=$(df $(dirname $1) | tail -1 | awk '{ print $1 }')
+    d=$(df $(dirname $2) | tail -1 | awk '{ print $1 }')
+    if [ "$f" != "$d" ]; then cmd="cp -p"; else cmd="ln"; fi
+    echo $cmd
+}
+
 file="$1"
 dest="$2"
 
@@ -18,9 +25,15 @@ if [ -d "$dest" ]; then
     dest=$dest/`basename $file`
 fi
 
+# if (the new) $dest is a directory, then just bail
+if [ -d "$dest" ]; then
+    echo "Error: destination file ($dest) is a directory. Exiting."
+    exit 1
+fi
+
 # if no such file $dest then just copy
 if [ ! -f "$dest" ]; then
-    ln $file $dest		#WAS cp -p $file $dest 
+    $(ln_or_cp $file $dest) $file $dest
     exit 0
 fi
 
@@ -41,7 +54,7 @@ if [ $max -eq 0 ]; then		# no current versions
     new=2
 else
     if cmp -q $dest $dest.~$max~ >/dev/null 2>&1
-    then			# they're different 
+    then			# they're different
 	max=`expr $max + 1`	# make newer version
 	mv $dest $dest.~$max~
 	new=`expr $max + 1`
@@ -51,11 +64,8 @@ else
     fi
 fi
 
-# make new version
+# make new version and link it
 
-ln $file $dest.~$new~		# cp -p $file $dest.~$new~
-ln $dest.~$new~ $dest		# and link it
-
-
-
-	
+$(ln_or_cp $file $dest.~new~) $file $dest.~$new~
+rm -f $dest
+ln $dest.~$new~ $dest