#!/bin/bash

# Configure where these executables are on your system.
# Note that the expression passed to sed only seems to work with GNU sed and not
# BSD sed which is included with Mac OS X. I do not know what that's all about.
SVNLOOK=/opt/local/bin/svnlook
SED=/opt/local/bin/sed


# Arguments passed to the script.
REPO="$1"
TXN="$2"

# Get the list of files (but not directories) that were added or whose properties were modified.
the_files=`$SVNLOOK changed -t "$TXN" "$REPO" | $SED -n 's/^\(A\|.U\)\s*\(.*[^/]\)$/\2/p'`
for a_file in $the_files; do
	
	# Attempt to get the svn:needs-lock property.
	$SVNLOOK propget -t "$TXN" "$REPO" svn:needs-lock "$a_file" >/dev/null 2>&1
	
	# Exit and alert if an error occurred doing that.
	if [ $? -ne 0 ]; then
		echo "File $a_file doesn't have the svn:needs-lock property set." 1>&2
		echo "Repository policy dictates that all files must set the svn:needs-lock property." 1>&2
		exit 1
	fi
	
done

# If we haven't exited by now, everything must be fine.
exit 0