gecko-dev/build/unix/print-depth-path.sh
2012-05-21 12:12:37 +01:00

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#!/bin/sh
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This script will print the depth path for a mozilla directory based
# on the info in Makefile
#
# It's a hack. It's brute force. It's horrible.
# It don't use Artificial Intelligence. It don't use Virtual Reality.
# It's not perl. It's not python. But it works.
#
# Usage: print-depth-path.sh
#
# Send comments, improvements, bugs to jim_nance@yahoo.com
#
# Make sure a Makefile exists
if [ ! -f Makefile ]
then
echo
echo "There ain't no 'Makefile' over here: $pwd, dude."
echo
exit
fi
# awk can be quite primitave. Try enhanced versions first
for AWK in gawk nawk awk; do
if type $AWK 2>/dev/null 1>/dev/null; then
break;
fi
done
$AWK -v PWD=`pwd` '
{
if($1 == "DEPTH") {
DEPTH=$0
}
}
END {
sub("^.*DEPTH.*=[ \t]*", "", DEPTH)
dlen = split(DEPTH, darray, "/")
plen = split(PWD, parray, "/")
fsep=""
for(i=plen-dlen; i<=plen; i++) {
printf("%s%s", fsep, parray[i])
fsep="/"
}
printf("\n")
}' Makefile