#!/bin/bash
#
# Rebuilds symlinks as specified in a ./.cvs-symlinks file.
#
# Usage:  csym-update [-r|<directory>]
#

# Check for recursive usage 
#
[ "$1" = "-r" ] && \
	exec find . -type d -exec $0 \{\} \;   # Slow, simple & should work!


# Check for directory parameter
#
if [ "$1" != "" ]; then
	[ -d "$1" ] || \
	{
		echo
		echo "Usage: $0 [-r|<directory>]"
		echo
		echo "Note that the directory must already be in CVS."
		echo "(you tried $0 $*)"
		echo
		exit 1
	}
	[ -f "$1/.cvs-symlinks" ] && cd "$1" && pwd || exit 1
fi


RET="
"
cat .cvs-symlinks | sed -e "s/ -> /\\$RET/" |\
(
	while read NAME && read TARGET; do
		if [ ! -e "$NAME" -o -L "$NAME" ]; then
			rm -f "$NAME"
	  		ln -vs "$TARGET" "$NAME"
		else
			echo "csym-update:  $(pwd)/$NAME is in the way, cannot update."
		fi
	done
)