de-bootstrap

#!/usr/bin/env sh

# The contents of this file are subject to the MonetDB Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.monetdb.org/Legal/MonetDBLicense
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
# License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is the MonetDB Database System.
#
# The Initial Developer of the Original Code is CWI.
# Portions created by CWI are Copyright (C) 1997-July 2008 CWI.
# Copyright August 2008-2013 MonetDB B.V.
# All Rights Reserved.

if [ "$1" ] ; then
	echo '
This script ("./de-bootstrap") can be used to clean up the source tree, 
i.e., to remove all files that were created by "./bootstrap".

"./de-bootstrap" first lists all files that are to be removed and 
asks the user for confirmation before actually removing the files.
'
	exit
fi

RM() {
	if [ "x$1" = 'x-f' ]; then
		shift
	fi

	L=-d
	R=''
	G=''
	if [ "x$1" = 'x-r' -o "x$1" = 'x-rf' -o "x$1" = 'x-fr' ]; then
		shift
		L=-R
		R=-r
		G='/$|'
	fi

	if [ $# -eq 0 ]; then
		# nothing to do
		return
	fi

	x=N
	n=`ls -Ad $L $* 2>/dev/null | egrep -v "^total [0-9]*$|^$|^[^ ]*:$" | wc -l | sed 's|^ *||'` 
	if [ $n != '0' ]; then
		ls -lAFd $L $* 2>/dev/null | egrep -v "$G^total [0-9]*$|^$" 
		echo -e "Delete these $n files/directories? (y/N) \c"
		read x 
		if [ "x$x" = 'xy' ]; then
			( /bin/rm -f $R $*  &&  echo "$n files deleted." )  ||  echo "rm failed."
		else
			echo "rm cancelled, no files/directories deleted."
		fi
	fi
}

if [ ! -d .hg ] ; then
	echo '
This script ("./de-bootstrap") must be called in top-level directory of
MonetDB'\''s Mercurial (HG) source clone.
'
	exit 1
fi

RM -rf `hg --config extensions.purge= purge --all -p -I{\*\*Makefile.\*,\*\*.pyc,aclocal.m4,acout.in,autom4te.cache,buildtools/conf/{config.{guess,sub},install-sh,ltmain.sh,l[ti]\*.m4,missing,ylwrap},configure{,.ac},{doc,install}.lst,monetdb_config.h.in}`