#!/bin/sh

#  Kludgy shell script to simulate "pvfs2-cp -r source(s) destination"
#  until the real "pvfs2-cp" command supports a "-r" option
#
#					Mark Bartelt
#					Caltech/CACR
#					March 2006

PATH=/usr/local/pvfs2/bin:$PATH; export PATH

case $# in
	0|1)	echo "Usage: $(basename $0) src [src ...] dst" >&2; exit 1 ;;
	*)	;;
esac

src_list=$( echo $@ | awk '{ for ( n=1; n<NF; ++n ) print $n }' )
dst=$( echo $@ | awk '{print $NF}' )

#  Confirm that the target directory already exists

test -d ${dst} || { echo "Destination directory must already exist" >&2; exit 1; }

for src in ${src_list}; do

#  First, confirm that the file exists

	if test ! -e ${src}; then
		echo "${src} doesn't exist!" >&2

#  If it does, and is a regular file, just copy it

	elif test -f ${src}; then
		pvfs2-cp ${src} ${dst}/$(basename ${src})

#  If it's not a regular file, check whether it's
#  a directory; if it is, things get somewhat more
#  complicated:  We first create all the necessary
#  directories on the destination side, then copy
#  each individual file.

	elif test -d ${src}; then
	(
		dir=$( basename ${src} )
		cd $( dirname ${src} ) || exit 1
		dir_list=$(  find ${dir} -type d -print )
		file_list=$( find ${dir} -type f -print )
		( cd ${dst} && mkdir -p ${dir_list} )
		for file in ${file_list}; do
			pvfs2-cp ${file} ${dst}/${file}
		done
	)

#  If it's something other than a regular file or a
#  directory, just note its presence with a message

	else
		echo "${src} is neither a directory nor a regular file; ignoring" >&2
	fi
done